Biographies of authors |
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xxv | |
Foreword |
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xxvii | |
Acknowledgement |
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xxix | |
1 Reservoir engineering formulas and calculations |
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3 | (1) |
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1.2 Average permeability for linear flow-Layered beds |
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3 | (1) |
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1.3 Average permeability for linear flow-Series beds |
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4 | (1) |
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1.4 Average permeability for parallel-layered systems |
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4 | (1) |
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1.5 Average permeability in radial systems |
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4 | (1) |
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1.6 Average temperature of a gas column |
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5 | (1) |
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1.7 Calculation of fractional flow curve |
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5 | (1) |
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6 | (1) |
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6 | (1) |
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1.10 Characteristic time for linear diffusion in reservoirs |
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6 | (1) |
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7 | (1) |
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1.12 Communication between compartments in tight gas reservoirs |
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7 | (1) |
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1.13 Communication factor in a compartment in tight gas reservoirs |
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7 | (1) |
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1.14 Compressibility drive in gas reservoirs |
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8 | (1) |
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1.15 Correction factor-Hammerlindl |
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8 | (1) |
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1.16 Critical rate for horizontal Wells in edge-water drive reservoirs |
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8 | (1) |
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9 | (1) |
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1.18 Cumulative effective compressibility-Fetkovich |
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10 | (1) |
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1.19 Cumulative gas production-Tarner's method |
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10 | (1) |
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1.20 Cumulative oil production-Undersaturated oil reservoirs |
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11 | (1) |
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1.21 Deliverability equation for shallow gas reservoirs |
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11 | (1) |
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1.22 Dimensionless pressure-Kamal and Brigham |
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11 | (1) |
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1.23 Dimensionless radius of radial flow-Constant-rate production |
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12 | (1) |
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1.24 Dimensionless time-Myhill and Stegemeier's method |
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12 | (1) |
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1.25 Dimensionless time for interference testing in homogeneous reservoirs-Earlougher |
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13 | (1) |
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1.26 Dimensionless vertical well critical rate correlations- Hoyland, Papatzacos, and Skjaeveland |
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13 | (1) |
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1.27 Dimensionless wellbore storage coefficient of radial flow-Constant-rate production |
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13 | (1) |
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1.28 Effective compressibility in undersaturated oil reservoirs-Hawkins |
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14 | (1) |
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1.29 Effective wellbore radius of a horizontal well-Method 1-Anisotropic reservoirs |
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14 | (1) |
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1.30 Effective wellbore radius of a horizontal well-Method 1-Isotropic reservoirs |
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15 | (1) |
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1.31 Effective wellbore radius of a horizontal well-van der Vlis et al. method |
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16 | (1) |
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1.32 Effective wellbore radius of a well in presence of uniform-flux fractures |
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16 | (1) |
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1.33 Effective wellbore radius to calculate slant well productivity-van der Vlis et al. |
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16 | (1) |
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1.34 Estimation of average reservoir pressure-MDH method |
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17 | (1) |
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1.35 Formation temperature for a given gradient |
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17 | (1) |
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1.36 Fraction of the total solution gas retained in the reservoir as free gas |
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17 | (1) |
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1.37 Fractional gas recovery below the critical desorption pressure in coal bed methane reservoirs |
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18 | (1) |
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18 | (1) |
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1.39 Gas adsorbed in coal bed methane reservoirs |
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19 | (1) |
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19 | (1) |
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19 | (1) |
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20 | (1) |
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1.43 Gas drive index in gas reservoirs |
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20 | (1) |
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1.44 Gas expansion factor |
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20 | (1) |
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1.45 Gas expansion term in gas reservoirs |
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21 | (1) |
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1.46 Gas flow rate into the wellbore |
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21 | (1) |
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1.47 Gas flow under laminar viscous conditions |
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22 | (1) |
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1.48 Gas formation volume factor |
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22 | (1) |
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1.49 Gas hydrate dissociation pressure |
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22 | (1) |
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1.50 Gas material balance equation |
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23 | (1) |
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1.51 Gas produced by gas expansion |
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23 | (1) |
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1.52 Gas saturation-Water-drive gas reservoirs |
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24 | (1) |
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1.53 Gas solubility in coalbed methane reservoirs |
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24 | (1) |
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1.54 Geertsma's model for porosity/transit-time relationship |
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25 | (1) |
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25 | (1) |
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1.56 Hagen Poiseuille equation |
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26 | (1) |
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1.57 Hagoort and Hoogstra gas flow in tight reservoirs |
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26 | (1) |
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1.58 Hammerlindl method for gas in place |
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26 | (1) |
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1.59 High-pressure region gas flow rate |
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27 | (1) |
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1.60 Horizontal well breakthrough time-With gas cap or bottom water |
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27 | (1) |
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1.61 Horizontal well critical rate correlation-Chaperon |
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28 | (1) |
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1.62 Horizontal well critical rate correlations - Efros |
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28 | (1) |
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1.63 Horizontal well critical rate correlations-Giger and Karcher |
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29 | (1) |
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1.64 Horizontal well critical rate correlations-Joshi method for gas coning |
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29 | (1) |
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1.65 Hydrocarbon pore volume occupied by evolved solution gas |
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30 | (1) |
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1.66 Hydrocarbon pore volume occupied by gas cap |
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30 | (1) |
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1.67 Hydrocarbon pore volume occupied by remaining oil |
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31 | (1) |
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1.68 Hydrostatic pressure |
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31 | (1) |
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1.69 Incremental cumulative oil production in undersaturated reservoirs |
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31 | (1) |
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1.70 Ineffective porosity |
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32 | (1) |
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32 | (1) |
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1.72 Initial gas in place for water-drive gas reservoirs |
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32 | (1) |
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33 | (1) |
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1.74 Instantaneous gas-oil ratio |
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33 | (1) |
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1.75 Interporosity flow coefficient |
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34 | (1) |
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1.76 Interstitial velocity |
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34 | (1) |
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1.77 Isothermal compressibility of oil -Vasquez-Beggs correlation-P > Pb |
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34 | (1) |
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1.78 Isothermal compressibility of oil -Villena-Lanzi correlation-P < Pb |
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35 | (1) |
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1.79 Isothermal compressibility of water-Osif correlation |
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35 | (1) |
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1.80 Kerns method for gas flow in a fracture |
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35 | (1) |
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1.81 Klinkenberg gas effect |
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36 | (1) |
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36 | (1) |
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1.83 Kozeny-Carman relationship |
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36 | (1) |
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37 | (1) |
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1.85 Line-source solution for damaged or stimulated wells |
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37 | (1) |
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1.86 Low-pressure region gas flow rate for non-circular drainage area |
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38 | (1) |
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1.87 Material balance for cumulative water influx-Havlena and Odeh |
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38 | (1) |
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1.88 Maximum height of oil column in cap rock |
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39 | (1) |
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39 | (1) |
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1.90 Modified Kozeny-Carman relationship |
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39 | (1) |
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1.91 Normalized saturation |
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40 | (1) |
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1.92 Oil bubble radius of the drainage area of each well represented by a circle |
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40 | (1) |
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1.93 Oil density-Standing's correlation |
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41 | (1) |
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1.94 Oil formation volume factor-Standing's correlation |
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41 | (1) |
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1.95 Oil formation volume factor-Beggs-standing correlation-P < Pb |
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41 | (1) |
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1.96 Oil formation volume factor-Beggs-standing correlation-P > Pb |
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42 | (1) |
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1.97 Oil in place for undersaturated oil reservoirs without fluid injection |
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42 | (1) |
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1.98 Oil in place in saturated oil reservoirs |
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43 | (1) |
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1.99 Oil lost in migration |
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43 | (1) |
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1.100 Oil saturation at any depletion state below the bubble point pressure |
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44 | (1) |
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1.101 Original gas in place |
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44 | (1) |
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1.102 Payne method for intercompartmental flow in tight gas reservoirs |
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44 | (1) |
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1.103 Performance coefficient for shallow gas reservoirs |
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45 | (1) |
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45 | (1) |
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1.105 Pore throat sorting |
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46 | (1) |
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1.106 Pore volume occupied by injection of gas and water |
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46 | (1) |
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1.107 Pore volume through squared method in tight gas reservoirs |
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46 | (1) |
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1.108 Porosity determination-IES and FDC logs |
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47 | (1) |
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1.109 Produced gas-oil ratio |
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47 | (1) |
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1.110 Productivity index for a gas well |
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48 | (1) |
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1.111 Pseudo-steady state productivity of horizontal Wells-Method 1 |
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48 | (1) |
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1.112 Pseudo-steady state productivity of horizontal Wells-Method 2 |
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49 | (1) |
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1.113 Pseudo-steady state productivity of horizontal wells-Method 3 |
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50 | (1) |
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1.114 Pseudo-steady state radial flow equation |
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50 | (1) |
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1.115 Relative permeability-Corey exponents |
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51 | (1) |
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1.116 Remaining gas in place in coalbed methane reservoirs |
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51 | (1) |
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1.117 Roach plot for abnormally pressured gas reservoirs |
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52 | (1) |
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1.118 Rock expansion term in abnormally pressured gas reservoirs |
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52 | (1) |
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1.119 Shape factor-Earlougher |
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52 | (1) |
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1.120 Solution gas oil ratio-Beggs-standing correlation-P < Pb |
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53 | (1) |
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1.121 Solution gas oil ratio-Standing's correlation |
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53 | (1) |
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1.122 Solution gas water ratio |
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54 | (1) |
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1.123 Somerton method for formation permeability in coalbed methane reservoirs |
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54 | (1) |
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1.124 Specific gravity of gas hydrate forming components |
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54 | (1) |
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1.125 Time to reach the semi-steady state for a gas well in a circular or square drainage area |
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55 | (1) |
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1.126 Time to the end of infinite-acting period for a well in a circular reservoir |
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55 | (1) |
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1.127 Torcaso and Wyllie's correlation for relative permeability ratio prediction |
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55 | (1) |
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1.128 Total compressibility |
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56 | (1) |
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1.129 Total pore volume compressibility |
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56 | (1) |
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1.130 Transmissibility between compartments |
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57 | (1) |
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1.131 Transmissibility of a compartment |
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57 | (1) |
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57 | (1) |
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1.133 Trapped gas volume in water-invaded zones |
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58 | (1) |
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1.134 Two-phase formation volume factor |
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58 | (1) |
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1.135 Underground fluid withdrawal-Havlena and Odeh |
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59 | (1) |
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1.136 Vertical well critical rate correlations-Craft and Hawkins method |
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59 | (1) |
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1.137 Vertical well critical rate correlations-Hoyland, Papatzacos, and Skjaeveland-Isotropic reservoirs |
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60 | (1) |
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1.138 Vertical well critical rate correlations-Meyer, Gardner, and Pirson-Simultaneous gas and water coning |
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60 | (1) |
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1.139 Vertical well critical rate correlations-Meyer, Gardner, and Pirson-Water coning |
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61 | (1) |
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1.140 Vertical well critical rate correlations-Meyer, Gardner, and Pirson-Gas coning |
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61 | (1) |
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62 | (1) |
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1.142 Viscosity of crude oil through API |
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62 | (1) |
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1.143 Viscosity of dead oil-Standing's correlation |
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62 | (1) |
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1.144 Viscosity of dead-oil-Egbogah correlation-P < Pb |
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63 | (1) |
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1.145 Viscosity of live oil-Beggs/Robinson correlation |
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63 | (1) |
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1.146 Viscosity of oil-Vasquez/Beggs correlation-P > Pb |
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63 | (1) |
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1.147 Viscosity of water at atmospheric pressure-McCain correlation |
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64 | (1) |
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1.148 Viscosity of water at reservoir pressure-McCain correlation |
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64 | (1) |
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1.149 Volume of gas adsorbed in coalbed methane reservoirs |
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64 | (1) |
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1.150 Volumetric heat capacity of a reservoir |
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65 | (1) |
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1.151 Water breakthrough correlation in vertical wells-Bournazel and Jeanson |
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65 | (1) |
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1.152 Water breakthrough correlations in vertical wells-Sobocinski and Cornelius |
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66 | (1) |
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1.153 Water content of sour gas |
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66 | (1) |
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67 | (1) |
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1.155 Water-drive index for gas reservoirs |
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67 | (1) |
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1.156 Water-drive recovery |
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68 | (1) |
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1.157 Water expansion term in gas reservoirs |
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68 | (1) |
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1.158 Water formation volume factor-McCain correlation |
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68 | (1) |
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1.159 Water influx-Pot aquifer model |
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69 | (1) |
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1.160 Water influx constant for the van Everdingen and Hurst unsteady-state model |
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69 | (1) |
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1.161 Water two-phase formation volume factor |
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70 | (1) |
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1.162 Waxman and Smits model-Clean sands |
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70 | (1) |
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1.163 Welge extension-Fractional flow |
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70 | (3) |
2 Drilling engineering formulas and calculations |
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73 | (1) |
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2.2 Accumulator precharge pressure |
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74 | (1) |
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2.3 Amount of additive required to achieve a required cement slurry density |
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74 | (1) |
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2.4 Amount of cement to be left in casing |
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75 | (1) |
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2.5 Amount of mud required to displace cement in drillpipe |
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75 | (1) |
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2.6 Angle of twist-Rod subjected to torque |
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75 | (1) |
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2.7 Annular capacity between casing and multiple strings of tubing |
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76 | (1) |
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2.8 Annular capacity between casing and multiple tubing strings |
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76 | (1) |
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2.9 Annular velocity-Using circulation rate in Gpm |
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77 | (1) |
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2.10 Annular velocity-Using pump output in bbl/min |
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77 | (1) |
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2.11 Annular velocity for a given circulation rate |
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78 | (1) |
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2.12 Annular velocity for a given pump output |
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78 | (1) |
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2.13 Annular volume capacity of pipe |
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78 | (1) |
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2.14 API water loss calculations |
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79 | (1) |
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2.15 Area below the casing shoe |
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79 | (1) |
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2.16 Axial loads in slips |
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79 | (1) |
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80 | (1) |
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2.18 Bit nozzle pressure loss |
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80 | (1) |
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2.19 Bit nozzle selection-Optimized hydraulics for two and three jets |
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81 | (1) |
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2.20 Borehole torsion-Cylindrical helical method |
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82 | (1) |
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2.21 Bottomhole annulus pressure |
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83 | (1) |
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2.22 Bottomhole assembly length required for a desired weight on bit |
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83 | (1) |
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2.23 Bulk density of cuttings-Using the mud balance |
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83 | (1) |
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2.24 Bulk modulus using Poisson's ratio and Young's modulus |
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84 | (1) |
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84 | (1) |
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85 | (1) |
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2.27 Buoyancy factor using mud weight |
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85 | (1) |
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2.28 Calculations for the number of feet to be cemented |
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85 | (1) |
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2.29 Calculations required for spotting pills |
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86 | (1) |
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2.30 Capacity formulas-bbl/ft |
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87 | (1) |
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2.31 Capacity formulas-gal/ft |
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88 | (1) |
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2.32 Capacity of tubulars and open-hole |
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88 | (1) |
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2.33 CO2 solubility in oil and oil-mud emulsifiers |
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88 | (1) |
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2.34 Combined solubility-Hydrocarbon gas, CO2, and H2S-in each of the mud components |
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89 | (1) |
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2.35 Control drilling-Maximum drilling rate |
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89 | (1) |
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2.36 Conversion of pressure into the mud weight |
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90 | (1) |
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2.37 Cost per foot during drilling |
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90 | (1) |
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2.38 Cost per foot of coring |
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91 | (1) |
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2.39 Critical annular velocity and critical flow rate |
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91 | (1) |
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2.40 Critical flow rate for flow regime change |
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92 | (1) |
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2.41 Critical velocity for change in flow regime |
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92 | (1) |
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2.42 Crown block capacity |
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93 | (1) |
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2.43 Current drag force-Offshore |
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93 | (1) |
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2.44 Curvature radius for a borehole |
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94 | (1) |
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2.45 Cutting slip velocity |
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94 | (1) |
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2.46 Cuttings produced per foot of hole drilled - bbls |
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94 | (1) |
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2.47 Cuttings produced per foot of hole drilled - lbs |
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95 | (1) |
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95 | (1) |
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2.49 Depth of a washout-Method 1 |
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96 | (1) |
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2.50 Depth of a washout-Method 2 |
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96 | (1) |
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2.51 Derrick efficiency factor |
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96 | (1) |
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2.52 Difference in pressure gradient between the cement and mud |
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97 | (1) |
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2.53 Differential hydrostatic pressure between cement in the annulus and mud inside the casing |
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97 | (1) |
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2.54 Dilution of a mud system |
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98 | (1) |
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98 | (1) |
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2.56 Directional curvature for a deviated well |
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99 | (1) |
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2.57 Downward force or weight of casing |
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99 | (1) |
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2.58 Drill pipe or drill collar capacity |
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99 | (1) |
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2.59 Drill pipe or drill collar displacement and weight |
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100 | (1) |
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2.60 Drill string design-Drill pipe length for bottomhole assembly |
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100 | (1) |
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2.61 Drilled gas entry rate |
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101 | (1) |
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2.62 Drilling cost per foot |
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101 | (1) |
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2.63 Drilling ton miles-Coring operation ton miles |
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102 | (1) |
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2.64 Drilling ton miles-Drilling/connection ton miles |
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102 | (1) |
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2.65 Drilling ton miles-Round trip ton miles |
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102 | (1) |
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2.66 Drilling ton miles-While making short trip ton miles |
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103 | (1) |
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2.67 Drilling ton miles-Setting casing ton miles |
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103 | (1) |
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104 | (1) |
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2.69 Duplex pump output-Using liner diameter |
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104 | (1) |
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2.70 Duplex pump output-Using rod diameter |
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104 | (1) |
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2.71 Duplex pump output by using liner and rod diameters |
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105 | (1) |
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2.72 Dynamically coupled linear flow-Formation invasion |
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105 | (1) |
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2.73 Effective weight during drilling |
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106 | (1) |
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2.74 Effective wellbore radius for finite-conductivity fractures |
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106 | (1) |
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2.75 Effective wellbore radius in infinite-conductivity fractures |
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107 | (1) |
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2.76 Efficiency of block and tackle system |
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107 | (1) |
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2.77 Equivalent area of pipe subject to uniform axial force |
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108 | (1) |
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2.78 Equivalent circulating density |
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108 | (1) |
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2.79 Equivalent density of a wellbore fluid |
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109 | (1) |
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2.80 Equivalent formation water resistivity from SP log |
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109 | (1) |
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2.81 Equivalent mud weight-Deviated well |
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109 | (1) |
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2.82 Equivalent mud weight-Vertical well |
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110 | (1) |
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2.83 Evaluation of centrifuge |
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110 | (1) |
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2.84 Evaluation of hydrocyclone |
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111 | (1) |
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2.85 Fluid volume required to spot a plug |
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111 | (1) |
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2.86 Force applied to stretch material |
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112 | (1) |
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2.87 Force exerted by the fluid on the solid surface of flow through an annulus |
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112 | (1) |
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2.88 Friction factor in drill pipe |
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113 | (1) |
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2.89 Front displacement of a particle in the reservoir-Formation invasion |
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113 | (1) |
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2.90 Gas migration velocity |
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114 | (1) |
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2.91 Gas solubility in a mud system |
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114 | (1) |
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114 | (1) |
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2.93 Gel strength-Optimal solid removal efficiency |
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115 | (1) |
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2.94 Gel strength-Solid control efficiency |
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115 | (1) |
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2.95 Gel strength-Solids build-up in system |
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116 | (1) |
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2.96 Height of cement in the annulus |
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116 | (1) |
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2.97 Hydraulic horsepower |
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116 | (1) |
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117 | (1) |
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2.99 Hydromechanical specific energy |
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118 | (1) |
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2.100 Hydrostatic pulling |
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118 | (1) |
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2.101 Hydrostatic pulling wet pipe out of the hole |
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119 | (1) |
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2.102 Hydrostatic pressure in annulus due to slug |
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119 | (1) |
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2.103 Hydrostatic pressure decrease at total depth caused by gas-cut mud |
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119 | (1) |
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2.104 Impact force-Nozzle hydraulic analysis |
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120 | (1) |
|
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120 | (1) |
|
2.106 Increase mud density by barite |
|
|
121 | (1) |
|
2.107 Increase mud density by calcium carbonate |
|
|
121 | (1) |
|
2.108 Increase mud density by hematite |
|
|
121 | (1) |
|
2.109 Increase volume by barite |
|
|
122 | (1) |
|
2.110 Increase volume by calcium carbonate |
|
|
122 | (1) |
|
2.111 Increase volume by hematite |
|
|
122 | (1) |
|
2.112 Initial volume required to achieve a volume with barite |
|
|
123 | (1) |
|
2.113 Initial volume required to achieve a volume with calcium carbonate |
|
|
123 | (1) |
|
2.114 Initial volume required to achieve a volume with hematite |
|
|
124 | (1) |
|
2.115 Injection/casing pressure required to open valve |
|
|
124 | (1) |
|
2.116 Input power of a pump-Using fuel consumption rate |
|
|
124 | (1) |
|
2.117 Jet velocity-Nozzle hydraulic analysis |
|
|
125 | (1) |
|
2.118 Kick analysis-Influx |
|
|
125 | (1) |
|
2.119 Kick analysis-Formation pressure with well shut-in on a kick |
|
|
126 | (1) |
|
2.120 Kick analysis-Maximum pit gain from a gas kick in water-based mud |
|
|
126 | (1) |
|
2.121 Kick analysis-Maximum surface pressure from a gas kick in water-based mud |
|
|
126 | (1) |
|
2.122 Kick analysis-Shut-in drill pipe pressure |
|
|
127 | (1) |
|
2.123 Kick analysis-Height of influx |
|
|
127 | (1) |
|
2.124 Kill weight mud determination-Moore equation |
|
|
127 | (1) |
|
|
128 | (1) |
|
2.126 Laser specific energy |
|
|
128 | (1) |
|
2.127 Lateral load imposed on a casing centralizer- Cementing |
|
|
129 | (1) |
|
2.128 Lateral load imposed on a casing centralizer with a dogleg-Cementing |
|
|
129 | (1) |
|
2.129 Linear annular capacity of pipe |
|
|
129 | (1) |
|
2.130 Linear capacity of pipe |
|
|
130 | (1) |
|
2.131 Load to break cement bond-Cementing |
|
|
130 | (1) |
|
2.132 Mass rate of flow through annulus |
|
|
131 | (1) |
|
2.133 Matching conditions at the cake-to-rock interface-Formation invasion |
|
|
131 | (1) |
|
2.134 Maximum allowable mud weight |
|
|
131 | (1) |
|
2.135 Maximum drilling rate-Larger holes |
|
|
132 | (1) |
|
2.136 Maximum equivalent derrick load |
|
|
132 | (1) |
|
2.137 Maximum length of a slanted well in a given reservoir thickness |
|
|
133 | (1) |
|
2.138 Maximum length of drillpipe for a specific bottomhole assembly |
|
|
133 | (1) |
|
2.139 Maximum recommended low-gravity solids |
|
|
133 | (1) |
|
2.140 Maximum recommended solids fractions in drilling fluids |
|
|
134 | (1) |
|
2.141 Maximum weight on bit |
|
|
134 | (1) |
|
2.142 Mechanical energy balance for wellbore fluids |
|
|
134 | (1) |
|
2.143 Mechanical specific energy |
|
|
135 | (1) |
|
2.144 Mud rheology-Herschel and Buckley law |
|
|
135 | (1) |
|
2.145 Mud rheology-Power-law model-Consistency index |
|
|
136 | (1) |
|
2.146 Mud rheology-Power-law model-Power-law index |
|
|
136 | (1) |
|
2.147 Mud rheology-Power-law |
|
|
136 | (1) |
|
2.148 Mud rheology calculations-Bingham plastic model |
|
|
137 | (1) |
|
2.149 Mud weight increase required to balance pressure |
|
|
137 | (1) |
|
2.150 Mud weight reduction by dilution-Water/diesel/any liquid |
|
|
137 | (1) |
|
2.151 Mudcake growth equation-Formation invasion |
|
|
138 | (1) |
|
2.152 Mudcake growth equation-2-Formation invasion |
|
|
138 | (1) |
|
2.153 Mudcake permeability-Formation invasion |
|
|
139 | (1) |
|
2.154 New pump circulating pressure |
|
|
139 | (1) |
|
2.155 Nozzle area calculation |
|
|
139 | (1) |
|
2.156 Number of sacks of cement required |
|
|
140 | (1) |
|
2.157 Number of sacks of cement required for a given length of plug |
|
|
141 | (1) |
|
2.158 Number of sacks of lead cement required for annulus |
|
|
141 | (1) |
|
2.159 Number of sacks of tail cement required for casing |
|
|
141 | (1) |
|
2.160 Open-ended displacement volume of pipe |
|
|
142 | (1) |
|
2.161 Overall efficiency-Diesel engines to mud pump |
|
|
142 | (1) |
|
2.162 Overall power system efficiency |
|
|
143 | (1) |
|
2.163 Penetration rate-Drill-rate model-Alternative equation |
|
|
143 | (1) |
|
2.164 Penetration rate-Drill-rate model-Basic equation |
|
|
143 | (1) |
|
2.165 Percentage of bit nozzle pressure loss |
|
|
144 | (1) |
|
2.166 Plastic viscosity-Bingham plastic model |
|
|
144 | (1) |
|
2.167 Plug length to set a balanced cement plug |
|
|
145 | (1) |
|
2.168 Polar moment of inertia |
|
|
145 | (1) |
|
2.169 Polished rod horsepower-Sucker-rod pump |
|
|
145 | (1) |
|
2.170 Pore-pressure gradient-Rehm and McClendon |
|
|
146 | (1) |
|
2.171 Pore-pressure gradient-Zamora |
|
|
146 | (1) |
|
2.172 Pressure analysis-Pressure by each barrel of mud in casing |
|
|
147 | (1) |
|
2.173 Pressure analysis-Surface pressure during drill stem test |
|
|
147 | (1) |
|
|
147 | (1) |
|
2.175 Pressure required to break circulation-Annulus |
|
|
148 | (1) |
|
2.176 Pressure required to break circulation-Drill string |
|
|
148 | (1) |
|
2.177 Pressure required to overcome gel strength of mud inside the drill string |
|
|
148 | (1) |
|
2.178 Pressure required to overcome mud's gel strength in annulus |
|
|
149 | (1) |
|
2.179 Pump calculation-Pump pressure |
|
|
149 | (1) |
|
2.180 Pump calculations-Power required |
|
|
149 | (1) |
|
|
150 | (1) |
|
|
150 | (1) |
|
|
151 | (1) |
|
|
151 | (1) |
|
2.185 Pump output triplex pump |
|
|
151 | (1) |
|
2.186 Pump pressure/pump stroke relationship |
|
|
152 | (1) |
|
2.187 Radial force related to axial load-Cementing |
|
|
152 | (1) |
|
2.188 Range of load-Sucker-Rod pump |
|
|
152 | (1) |
|
2.189 Rate of fuel consumption by a pump |
|
|
153 | (1) |
|
2.190 Rate of gas portion that enters the mud |
|
|
153 | (1) |
|
2.191 Relationship between traveling block speed and fast line speed |
|
|
153 | (1) |
|
|
154 | (1) |
|
2.193 Rotating horsepower |
|
|
154 | (1) |
|
2.194 Side force at bit in anisotropic formation |
|
|
155 | (1) |
|
2.195 Sinusoidal buckling |
|
|
155 | (1) |
|
2.196 Slurry density for cementing calculations |
|
|
155 | (1) |
|
2.197 Solids analysis-High-salt content muds |
|
|
156 | (1) |
|
2.198 Solids analysis low-salt content muds |
|
|
157 | (1) |
|
2.199 Spacer volume behind slurry required to balance the plug |
|
|
157 | (1) |
|
2.200 Specific gravity of cuttings by using mud balance |
|
|
158 | (1) |
|
2.201 Stripping/snubbing calculations-Breakover point between stripping and snubbing |
|
|
158 | (1) |
|
2.202 Stripping/snubbing calculations-Height gain and casing pressure from stripping into influx |
|
|
159 | (1) |
|
2.203 Stripping/snubbing calculations-Maximum Allowable surface pressure governed by casing burst pressure |
|
|
159 | (1) |
|
2.204 Stripping/snubbing calculations-Maximum allowable surface pressure governed by formation |
|
|
160 | (1) |
|
2.205 Stripping/snubbing calculations-Minimum surface pressure before stripping |
|
|
160 | (1) |
|
2.206 Stripping/snubbing calculations-Constant BHP with a gas bubble rising |
|
|
161 | (1) |
|
2.207 Stroke per minute required for a given annular velocity |
|
|
161 | (1) |
|
2.208 Stuck pipe calculations-Method-1 |
|
|
161 | (1) |
|
2.209 Stuck pipe calculations-Method-2 |
|
|
162 | (1) |
|
2.210 Subsea considerations-Adjusting choke line pressure loss for higher mud weight |
|
|
162 | (1) |
|
2.211 Subsea considerations-Casing burst pressure-subsea stack |
|
|
162 | (1) |
|
2.212 Subsea considerations-Choke line pressure loss |
|
|
163 | (1) |
|
2.213 Subsea considerations-Maximum allowable mud weight-Subsea stack from leakoff test |
|
|
163 | (1) |
|
2.214 Subsea considerations-Casing pressure decrease when bringing well on choke |
|
|
164 | (1) |
|
2.215 Subsea considerations-Velocity through choke line |
|
|
164 | (1) |
|
2.216 Surface test pressure required to frac the formation |
|
|
164 | (1) |
|
2.217 Total amount of solids generated during drilling |
|
|
165 | (1) |
|
2.218 Total heat energy consumed by the engine |
|
|
165 | (1) |
|
2.219 Total number of sacks of tail cement required |
|
|
166 | (1) |
|
2.220 Total water requirement per sack of cement |
|
|
166 | (1) |
|
2.221 Triplex pump factor |
|
|
166 | (1) |
|
2.222 Upward force acting at the bottom of the casing shoe |
|
|
167 | (1) |
|
2.223 Vertical curvature for deviated wells |
|
|
167 | (1) |
|
2.224 Viscous shear stress at the outer mudcake boundary |
|
|
167 | (1) |
|
2.225 Volume of cuttings generated per foot of hole drilled |
|
|
168 | (1) |
|
2.226 Volume of dilution water or mud required to maintain circulating volume |
|
|
168 | (1) |
|
2.227 Volume of fluid displaced for duplex pumps |
|
|
168 | (1) |
|
2.228 Volume of fluid displaced for single-acting pump |
|
|
169 | (1) |
|
2.229 Volume of fluid displaced for triplex pump |
|
|
169 | (1) |
|
2.230 Volume of liquid (oil plus water) required to prepare a desired volume of mud |
|
|
170 | (1) |
|
2.231 Volume of slurry per sack of cement |
|
|
170 | (1) |
|
2.232 Volumes and strokes-Annular volume |
|
|
171 | (1) |
|
2.233 Volumes and strokes-Drill string volume |
|
|
171 | (1) |
|
2.234 Volumes and strokes-Total strokes |
|
|
171 | (1) |
|
2.235 Weight of additive per sack of cement |
|
|
172 | (1) |
|
2.236 Weighted cementing calculations |
|
|
172 | (2) |
3 Well test analysis formulas and calculations |
|
|
3.1 Analysis of a flow test with smoothly varying rates |
|
|
174 | (1) |
|
3.2 Analysis of a post-fracture-Constant-rate flow test with boundary effects |
|
|
174 | (1) |
|
3.3 Analysis of a post-fracture pressure buildup test with wellbore-storage distortion |
|
|
175 | (1) |
|
3.4 Analysis of a well from a PI test |
|
|
176 | (1) |
|
3.5 Analysis of DST flow data with Ramey type curves |
|
|
177 | (1) |
|
3.6 Average fracture permeability (pseudo-steady state case for pressure build-up test) |
|
|
178 | (1) |
|
3.7 Bottomhole flowing pressure during infinite-acting pseudoradial flow |
|
|
178 | (1) |
|
3.8 Calculation of pressure beyond the wellbore (line-source solution) |
|
|
179 | (1) |
|
3.9 Conventional DST design without a water cushion (collapse pressure calculation) |
|
|
179 | (1) |
|
3.10 Diffusion depth in a geothermal well |
|
|
180 | (1) |
|
3.11 Dimensionless buildup pressure for field calculations |
|
|
180 | (1) |
|
3.12 Dimensionless buildup pressure for liquid flow |
|
|
180 | (1) |
|
3.13 Dimensionless buildup pressure for steam or gas flow |
|
|
181 | (1) |
|
3.14 Dimensionless buildup time |
|
|
181 | (1) |
|
3.15 Dimensionless cumulative production (radial flow constant-pressure production) |
|
|
182 | (1) |
|
3.16 Dimensionless drawdown correlating parameter by Carter |
|
|
182 | (1) |
|
3.17 Dimensionless length (linear flow constant rate production/hydraulically fractured wells) |
|
|
183 | (1) |
|
3.18 Dimensionless length (linear flow/constant-rate production/general case) |
|
|
183 | (1) |
|
3.19 Dimensionless pressure (linear flow/constant rate production/general case) |
|
|
183 | (1) |
|
3.20 Dimensionless pressure (linear flow/constant rate production/hydraulically-fractured wells) |
|
|
184 | (1) |
|
3.21 Dimensionless pressure (radial-flow/constant pressure production) |
|
|
184 | (1) |
|
3.22 Dimensionless pressure (radial-flow/constant rate production) |
|
|
185 | (1) |
|
3.23 Dimensionless pressure drop across a skin at the well face |
|
|
185 | (1) |
|
3.24 Dimensionless pressure drop during pseudo-steady state flow for a fractured vertical well in a square drainage area |
|
|
186 | (1) |
|
3.25 Dimensionless pressure drop during pseudo-steady state flow for a horizontal well in a bounded reservoir |
|
|
186 | (1) |
|
3.26 Dimensionless production time |
|
|
187 | (1) |
|
3.27 Dimensionless rate (radial flow/constant pressure production) |
|
|
187 | (1) |
|
3.28 Dimensionless shut-in time for MDH method |
|
|
188 | (1) |
|
3.29 Dimensionless storage constant for gases |
|
|
188 | (1) |
|
3.30 Dimensionless storage constant for liquids |
|
|
188 | (1) |
|
3.31 Dimensionless time (linear flow/constant rate production/general case) |
|
|
189 | (1) |
|
3.32 Dimensionless time (linear flow/constant rate production/hydraulically fractured wells) |
|
|
189 | (1) |
|
3.33 Dimensionless time (radial flow/constant rate production) |
|
|
190 | (1) |
|
3.34 Dimensionless time function (transient heat transfer to the formation) |
|
|
190 | (1) |
|
3.35 Dimensionless wellbore storage coefficient (compressible fluids for pressure build-up test) |
|
|
191 | (1) |
|
3.36 Flow period duration (hydraulically fractured wells) |
|
|
191 | (1) |
|
3.37 Fracture conductivity (bilinear-flow regime in gas wells) |
|
|
191 | (1) |
|
3.38 Fracture conductivity during bilinear flow |
|
|
192 | (1) |
|
3.39 Inflow performance relationship (IPR) for horizontal wells in solution gas-drive reservoirs (Fetkovich) |
|
|
192 | (1) |
|
3.40 Inflow performance relationship (IPR) for horizontal wells in solution gas-drive reservoirs (Vogel) |
|
|
193 | (1) |
|
3.41 Interporosity flow coefficient in pressure build-up test |
|
|
193 | (1) |
|
3.42 Minimum shut-in time to reach pseudo-steady state for tight gas reservoirs being hydraulically fractured |
|
|
194 | (1) |
|
3.43 Permeability and reservoir pressure from buildup tests |
|
|
194 | (1) |
|
3.44 Permeability and skin factor from a constant-rate flow test |
|
|
195 | (1) |
|
3.45 Pressure buildup equation (Horner equation) |
|
|
196 | (1) |
|
3.46 Radius of investigation |
|
|
196 | (1) |
|
3.47 Radius of investigation (flow time) |
|
|
196 | (1) |
|
3.48 Radius of investigation (shut-in time) |
|
|
197 | (1) |
|
3.49 Raymer hunt transform (porosity/transit time relationship) |
|
|
197 | (1) |
|
3.50 Reservoir permeability |
|
|
198 | (1) |
|
3.51 Shut-in time for pressure build-up test (Dietz method) |
|
|
198 | (1) |
|
3.52 Skin during infinite-acting pseudoradial flow for vertical wells |
|
|
199 | (1) |
|
3.53 Skin estimation type-1 (pressure buildup test) |
|
|
199 | (1) |
|
3.54 Slope of Horner plot in pressure buildup test |
|
|
200 | (1) |
|
3.55 Slope of pseudo-steady state flow in pressure buildup test |
|
|
200 | (1) |
|
3.56 Time to pseudo-steady state (single well-circular reservoir) |
|
|
200 | (1) |
|
3.57 Time to reach the semi-steady state for a gas well in a circular or square drainage area |
|
|
201 | (1) |
|
3.58 True wellbore storage coefficient (pressure build-up test) |
|
|
201 | (1) |
|
3.59 Well flow efficiency (geothermal well) |
|
|
202 | (1) |
|
3.60 Well shut-in pressure during buildup (Homer plot) |
|
|
202 | (2) |
4 Production engineering formulas and calculations |
|
|
4.1 Acid penetration distance (acidizing) |
|
|
204 | (1) |
|
4.2 Additional pressure drop in the skin zone |
|
|
205 | (1) |
|
4.3 Additive crystalline salt amount to increase the density-Method I (single-salt systems) |
|
|
205 | (1) |
|
4.4 Additive crystalline salt amount to increase the density-Method II (single-salt systems) |
|
|
206 | (1) |
|
4.5 Additive crystalline salt and water amount to increase the density-Method I (two-salt systems) |
|
|
206 | (1) |
|
4.6 Annulus pressure loss due to friction during hydraulic fracturing (laminar flow) |
|
|
207 | (1) |
|
4.7 Annulus pressure loss due to friction during hydraulic fracturing (turbulence flow) |
|
|
207 | (1) |
|
4.8 Approximate ideal counterbalanced load |
|
|
208 | (1) |
|
4.9 Average downstroke load (sucker-rod pump) |
|
|
208 | (1) |
|
4.10 Average fracture width (acidizing) |
|
|
208 | (1) |
|
4.11 Average permeability of a hydraulically fractured formation |
|
|
209 | (1) |
|
4.12 Average specific weight of the formation (hydraulic fracturing) |
|
|
209 | (1) |
|
4.13 Average upstroke load (sucker-rod pump) |
|
|
210 | (1) |
|
4.14 Average wellbore fluid density (completion and workover fluids) |
|
|
210 | (1) |
|
4.15 Capacity ratio of a hydraulically fractured surface |
|
|
210 | (1) |
|
4.16 Choke discharge coefficient |
|
|
211 | (1) |
|
4.17 Close-ended displacement volume of pipe |
|
|
211 | (1) |
|
4.18 Convective mass transfer for laminar flow (acidizing) |
|
|
212 | (1) |
|
4.19 Convective mass transfer for turbulent flow (acidizing) |
|
|
212 | (1) |
|
4.20 Correct counterbalance (sucker-rod pump) |
|
|
213 | (1) |
|
4.21 Corresponding reciprocal rate (post-fracture production-Constant Bottomhole flowing conditions) |
|
|
213 | (1) |
|
4.22 Damaged/undamaged zone productivity comparison (acidizing) |
|
|
214 | (1) |
|
4.23 Density of brine (completion and workover fluids) |
|
|
214 | (1) |
|
4.24 Dimensionless fracture width for linear vertical fracture (Geertsma & Klerk) |
|
|
214 | (1) |
|
4.25 Downhole operating pressure (hydraulic fracturing) |
|
|
215 | (1) |
|
4.26 Entrance hole size (perforation) |
|
|
215 | (1) |
|
4.27 Equivalent skin factor in fractured wells |
|
|
216 | (1) |
|
4.28 Filter cake on the fracture (acidizing) |
|
|
216 | (1) |
|
4.29 Flow coefficient during drawdown |
|
|
217 | (1) |
|
4.30 Flow rate through orifice |
|
|
217 | (1) |
|
4.31 Flow through fracture in response to pressure gradient |
|
|
217 | (1) |
|
4.32 Formation fluid compressibility (acidizing) |
|
|
218 | (1) |
|
4.33 Fracture area of a hydraulically fractured formation |
|
|
218 | (1) |
|
4.34 Fracture coefficient of a hydraulically fractured reservoir |
|
|
219 | (1) |
|
4.35 Fracture fluid coefficient for reservoir-controlled liquids |
|
|
219 | (1) |
|
4.36 Fracture fluid coefficient for viscosity-controlled liquids |
|
|
220 | (1) |
|
4.37 Fracture geometry (acidizing) |
|
|
220 | (1) |
|
4.38 Fracture gradient (hydraulic fracturing) |
|
|
220 | (1) |
|
4.39 Fracture-fluid invasion of the formation (acidizing) |
|
|
221 | (1) |
|
4.40 Frictional pressure drop (Economides and Nolte) |
|
|
221 | (1) |
|
4.41 Gas velocity under sonic flow conditions (through choke) |
|
|
222 | (1) |
|
4.42 Hydraulic fracture efficiency |
|
|
222 | (1) |
|
4.43 Hydraulic horse power for a hydraulic fracturing operation |
|
|
223 | (1) |
|
4.44 Ideal fracture conductivity created by acid reaction (acidizing) |
|
|
223 | (1) |
|
4.45 Incremental density in any wellbore interval (completion and workover fluids) |
|
|
223 | (1) |
|
4.46 Initial rate following a hydraulic fracturing operation |
|
|
224 | (1) |
|
4.47 Injection pressure for hydraulic fracturing |
|
|
224 | (1) |
|
4.48 Lifetime of a hydraulically fractured well |
|
|
225 | (1) |
|
4.49 Mass of rock dissolved per unit mass of acid (acidizing) |
|
|
225 | (1) |
|
4.50 Mass transfer in acid solutions by Fick's law (acidizing) |
|
|
225 | (1) |
|
4.51 Maximum treatment pressure (hydraulic fracturing) |
|
|
226 | (1) |
|
4.52 Mechanical resistant torque (PCP) |
|
|
226 | (1) |
|
4.53 Minimum polished rod load (sucker rod pump) |
|
|
226 | (1) |
|
4.54 Peclet number for fluid loss (acidizing) |
|
|
227 | (1) |
|
4.55 Perforation friction factor |
|
|
227 | (1) |
|
4.56 Perforation friction pressure |
|
|
228 | (1) |
|
4.57 Perforation hole size (perforation) |
|
|
228 | (1) |
|
4.58 Perforation length in formation |
|
|
228 | (1) |
|
4.59 Perforation penetration ratio (formation of interest/reference formation) |
|
|
229 | (1) |
|
4.60 Perforation skin factor |
|
|
229 | (1) |
|
4.61 Pore growth function (acidizing) |
|
|
230 | (1) |
|
4.62 Pressure drop across perforations in gas wells |
|
|
230 | (1) |
|
4.63 Pressure drop across perforations in oil wells |
|
|
231 | (1) |
|
4.64 Pressure loss due to perforations during hydraulic fracturing |
|
|
232 | (1) |
|
4.65 Pressure loss due to perforations during hydraulic fracturing-2 |
|
|
232 | (1) |
|
4.66 Principal stress due to petro-static pressure (hydraulic fracturing) |
|
|
232 | (1) |
|
4.67 Productivity index (for generating composite IPR curve) |
|
|
233 | (1) |
|
|
233 | (1) |
|
4.69 Productivity ratio calculation of a hydraulically-fractured formation |
|
|
234 | (1) |
|
4.70 Pseudo skin factor due to partial penetration (Brons and Marting method) |
|
|
234 | (1) |
|
4.71 Pseudo-skin factor due to partial penetration (Yeh and Reynolds correlation) |
|
|
235 | (1) |
|
4.72 Pseudo-skin factor due to partial penetration (Odeh correlation) |
|
|
236 | (1) |
|
4.73 Pseudo-skin factor due to partial penetration (Papatzacos correlation) |
|
|
236 | (1) |
|
4.74 Pseudo-skin factor due to perforations |
|
|
237 | (1) |
|
4.75 Quantifying formation damage and improvement |
|
|
238 | (1) |
|
4.76 Recommended underbalanced environment for perforation |
|
|
239 | (1) |
|
4.77 Reynolds number for acid flow into the fracture (acidizing) |
|
|
239 | (1) |
|
4.78 Reynolds number for fluid loss (acidizing) |
|
|
239 | (1) |
|
4.79 Sand weight needed to refill a hydraulically fractured reservoir volume |
|
|
240 | (1) |
|
4.80 Shape factor expressed as skin factor for vertical wells |
|
|
240 | (1) |
|
4.81 Single-phase gas flow (subsonic) |
|
|
240 | (1) |
|
4.82 Single-phase liquid flow through choke |
|
|
241 | (1) |
|
|
241 | (1) |
|
4.84 Skin factor by Hawkins method |
|
|
242 | (1) |
|
4.85 Skin factor due to partial penetration |
|
|
242 | (1) |
|
4.86 Skin factor due to reduced crushed-zone permeability |
|
|
243 | (1) |
|
4.87 Skin factor for a deviated well |
|
|
243 | (1) |
|
4.88 Slope of Semilog plot for bottom-hole flowing pressure vs time for drawdown test |
|
|
244 | (1) |
|
4.89 Sucker rod-Peak polished rod load |
|
|
244 | (1) |
|
4.90 Suspension property of static fluids (completion and workover fluids) |
|
|
245 | (1) |
|
4.91 Tangential annular flow of a power law fluid |
|
|
245 | (1) |
|
4.92 Temperature at choke outlet |
|
|
246 | (1) |
|
4.93 The z component of the force of the fluid on the wetted surface of the pipe |
|
|
246 | (1) |
|
4.94 Total skin in partially depleted wells for a buildup test |
|
|
246 | (1) |
|
4.95 Velocity distribution in the annular slit of a falling-cylinder viscometer |
|
|
247 | (1) |
|
4.96 Velocity distribution in the narrow annular region in annular flow with inner cylinder moving axially |
|
|
247 | (1) |
|
4.97 Velocity distribution of flow through an annulus |
|
|
248 | (1) |
|
4.98 Velocity of fluid in annulus |
|
|
248 | (1) |
|
4.99 Velocity of fluid in pipe |
|
|
249 | (1) |
|
4.100 Viscous force acting on the rod over the narrow annular region |
|
|
249 | (1) |
|
4.101 Volume capacity of pipe |
|
|
250 | (1) |
|
4.102 Volume of fluid loss per unit area measured in a dynamic test (acidizing) |
|
|
250 | (1) |
|
4.103 Volume of fluid loss per unit area measured in a static test (acidizing) |
|
|
250 | (1) |
|
4.104 Volume of rock dissolved per unit volume of acid (acidizing) |
|
|
251 | (1) |
|
4.105 Water quantity that dilutes the original brine with assumed density (two-salt systems) |
|
|
251 | (1) |
|
4.106 Weight of crystalline CaCl2 and CaBr2 salt addition to brine (two-salt systems) |
|
|
252 | (1) |
|
4.107 Well flowing pressure (line-source solution by including skin factor) |
|
|
252 | (1) |
|
4.108 Well flowing pressure under Pseudo-steady state flow for non-circular reservoirs |
|
|
253 | (1) |
|
4.109 Wellbore pressure loss due to friction during hydraulic fracturing (laminar flow) |
|
|
253 | (1) |
|
4.110 Wellbore pressure loss due to friction during hydraulic fracturing (turbulence flow) |
|
|
254 | (1) |
|
|
254 | (1) |
|
4.112 Wellbore storage due to fluid level |
|
|
254 | (1) |
|
4.113 Wellhead pressure (multiphase flow across the choke) |
|
|
255 | (1) |
|
4.114 Workover operations (maximum allowed tubing pressure) |
|
|
255 | (1) |
|
4.115 Young Modulus by using sonic travel time (acidizing) |
|
|
256 | (2) |
5 Fluid flow and transport phenomena formulas and calculations |
|
|
|
258 | (1) |
|
5.2 Average number of collisions to reduce neutron energy |
|
|
259 | (1) |
|
5.3 Average velocity of a falling film with variable viscosity |
|
|
259 | (1) |
|
5.4 Average velocity of flow through a circular tube |
|
|
260 | (1) |
|
5.5 Average velocity of flow through an annulus |
|
|
260 | (1) |
|
5.6 Average velocity of fluids in flow of two adjacent immiscible fluids |
|
|
261 | (1) |
|
5.7 Average velocity over the cross section of a falling film |
|
|
261 | (1) |
|
5.8 Blowdown time in unsteady gas flow |
|
|
262 | (1) |
|
|
262 | (1) |
|
5.10 Boussinesq approximation-Buoyancy |
|
|
262 | (1) |
|
|
263 | (1) |
|
5.12 Buckingham Reiner equation |
|
|
263 | (1) |
|
5.13 Calculation of mass flow rate |
|
|
264 | (1) |
|
5.14 Calculation of momentum flux |
|
|
264 | (1) |
|
5.15 Combined momentum flux tensor |
|
|
265 | (1) |
|
5.16 Combined radiation and convection |
|
|
265 | (1) |
|
5.17 Compressible flow in a horizontal circular tube |
|
|
265 | (1) |
|
|
266 | (1) |
|
5.19 Correction factor for stagnant film according to the penetration model |
|
|
266 | (1) |
|
5.20 Darcy Weisbach equation (head loss form) |
|
|
267 | (1) |
|
5.21 Darcy Weisbach equation (pressure loss form) |
|
|
267 | (1) |
|
|
267 | (1) |
|
|
268 | (1) |
|
5.24 Decay of thermal neutrons |
|
|
268 | (1) |
|
5.25 Determination of the controlling resistance |
|
|
269 | (1) |
|
5.26 Determination of the diameter of a falling sphere |
|
|
269 | (1) |
|
5.27 Diffusion from an instantaneous point source |
|
|
270 | (1) |
|
5.28 Diffusion in a moving film |
|
|
270 | (1) |
|
5.29 Diffusion in polymers |
|
|
270 | (1) |
|
5.30 Diffusion Into a falling liquid film (gas absorption) |
|
|
271 | (1) |
|
5.31 Diffusion of low-density gases with equal mass |
|
|
271 | (1) |
|
|
272 | (1) |
|
5.33 Diffusion through a non-isothermal spherical film |
|
|
272 | (1) |
|
5.34 Diffusion through a stagnant film |
|
|
273 | (1) |
|
5.35 Diffusion through a stagnant gas film |
|
|
273 | (1) |
|
5.36 Diffusion through cleat spacing in coalbed methane reservoirs |
|
|
273 | (1) |
|
5.37 Diffusion with a heterogeneous chemical reaction |
|
|
274 | (1) |
|
5.38 Diffusion with a homogeneous chemical reaction |
|
|
274 | (1) |
|
5.39 Diffusion, convection, and chemical reaction |
|
|
275 | (1) |
|
|
275 | (1) |
|
|
275 | (1) |
|
5.42 Draining of a cylindrical tank |
|
|
276 | (1) |
|
5.43 Draining of a spherical tank |
|
|
276 | (1) |
|
|
277 | (1) |
|
5.45 Effective emissivity of a hole |
|
|
277 | (1) |
|
5.46 Effective thermal conductivity for a solid with spherical inclusions |
|
|
277 | (1) |
|
5.47 Efflux time for draining a conical tank |
|
|
278 | (1) |
|
|
278 | (1) |
|
5.49 Elimination of circulation in a rising gas bubble |
|
|
279 | (1) |
|
5.50 Energy emitted from the surface of a black body |
|
|
279 | (1) |
|
5.51 Estimation of diffusivity of liquids |
|
|
279 | (1) |
|
5.52 Estimation of self diffusivity at high density |
|
|
280 | (1) |
|
5.53 Estimation of the viscosity of a pure liquid |
|
|
280 | (1) |
|
|
281 | (1) |
|
5.55 Fanning friction factor (laminar flow) |
|
|
281 | (1) |
|
5.56 Fanning's friction factor (turbulent flow) |
|
|
282 | (1) |
|
5.57 Fick's law of binary diffusion |
|
|
282 | (1) |
|
5.58 Film condensation on vertical pipes |
|
|
282 | (1) |
|
5.59 Film condensation on vertical tubes |
|
|
283 | (1) |
|
5.60 Film thickness of a falling film on a conical surface |
|
|
284 | (1) |
|
5.61 Flow in a liquid-liquid ejector pump |
|
|
284 | (1) |
|
5.62 Flow in a slit with uniform cross flow |
|
|
285 | (1) |
|
|
285 | (1) |
|
5.64 Flow of power law fluid through a narrow slit |
|
|
286 | (1) |
|
5.65 Fluid kinetic force in conduits |
|
|
286 | (1) |
|
5.66 Fluid kinetic force in flow around submerged objects |
|
|
286 | (1) |
|
|
287 | (1) |
|
5.68 Free air correction-Gravity survey |
|
|
287 | (1) |
|
5.69 Free batch expansion of a compressible fluid |
|
|
288 | (1) |
|
5.70 Free convection heat transfer from a vertical plate |
|
|
288 | (1) |
|
|
288 | (1) |
|
5.72 Friction factor for creeping flow around a sphere |
|
|
289 | (1) |
|
5.73 Friction factor in flow around submerged objects |
|
|
289 | (1) |
|
5.74 Friction factor in flow through conduits |
|
|
290 | (1) |
|
5.75 Friction factor in packed column (laminar) |
|
|
290 | (1) |
|
5.76 Friction factor in packed column (turbulant) |
|
|
290 | (1) |
|
|
291 | (1) |
|
5.78 Gas absorption from rising bubbles for creeping flow |
|
|
291 | (1) |
|
5.79 Gas absorption through bubbles |
|
|
292 | (1) |
|
5.80 Gas absorption with chemical reaction in an agitated tank |
|
|
292 | (1) |
|
5.81 Gas absorption with rapid reaction |
|
|
293 | (1) |
|
5.82 Gas mass rate flow in compressible tube flow |
|
|
293 | (1) |
|
|
293 | (1) |
|
5.84 Graham equation viscosity ratio |
|
|
294 | (1) |
|
|
294 | (1) |
|
|
295 | (1) |
|
5.87 Hagen-Poiseuille equation |
|
|
295 | (1) |
|
5.88 Influence of changing interfacial area on mass transfer |
|
|
296 | (1) |
|
|
296 | (1) |
|
5.90 Krieger Dougherty equation viscosity ratio |
|
|
296 | (1) |
|
5.91 Laminar flow along a flat plate (approximate solution) |
|
|
297 | (1) |
|
5.92 Laminar flow of an incompressible power-law fluid in a circular tube |
|
|
297 | (1) |
|
|
298 | (1) |
|
|
298 | (1) |
|
|
298 | (1) |
|
|
299 | (1) |
|
|
299 | (1) |
|
5.98 Mass absorption (attenuation) coefficient |
|
|
300 | (1) |
|
5.99 Mass flow rate as a function of the modified pressure drop in a network of tubes |
|
|
300 | (1) |
|
5.100 Mass flow rate in a rotating cone pump |
|
|
300 | (1) |
|
|
301 | (1) |
|
5.102 Mass rate of flow in a squared duct |
|
|
301 | (1) |
|
5.103 Mass rate of flow of a falling film |
|
|
302 | (1) |
|
5.104 Mass rate of flow through a circular tube |
|
|
302 | (1) |
|
5.105 Mass transfer for creeping flow around a gas bubble |
|
|
303 | (1) |
|
5.106 Mass transfer to drops and bubbles |
|
|
303 | (1) |
|
5.107 Maximum flow rate (Vogel's equation) |
|
|
303 | (1) |
|
5.108 Maximum velocity of a falling film |
|
|
304 | (1) |
|
5.109 Maximum velocity of flow through a circular tube |
|
|
304 | (1) |
|
5.110 Maximum-velocity Vz-maximum of a falling film |
|
|
305 | (1) |
|
5.111 Method for separating helium from natural gas |
|
|
305 | (1) |
|
5.112 Modified capillary number |
|
|
306 | (1) |
|
5.113 Modified Van Driest equation |
|
|
306 | (1) |
|
5.114 Momentum flux distribution of flow through a circular tube |
|
|
306 | (1) |
|
5.115 Momentum flux distribution of flow through an annulus |
|
|
307 | (1) |
|
5.116 Momentum flux profile of fluids in flow of two adjacent immiscible fluids |
|
|
307 | (1) |
|
5.117 Momentum fluxes for creeping flow into a slot |
|
|
308 | (1) |
|
5.118 Mooney equation viscosity |
|
|
308 | (1) |
|
5.119 Non-Newtonian flow in annulus |
|
|
309 | (1) |
|
|
309 | (1) |
|
|
310 | (1) |
|
5.122 Potential flow around a cylinder |
|
|
310 | (1) |
|
|
310 | (1) |
|
5.124 Pressure distribution in a creeping flow around a sphere |
|
|
311 | (1) |
|
5.125 Pressure drop per length of the adsorption unit |
|
|
311 | (1) |
|
5.126 Pressure loss due to sudden enlargement |
|
|
312 | (1) |
|
|
312 | (1) |
|
|
313 | (1) |
|
|
313 | (1) |
|
5.130 Slit flow in Bingham fluid |
|
|
313 | (1) |
|
5.131 Smoluchowski equation |
|
|
314 | (1) |
|
|
314 | (1) |
|
|
315 | (1) |
|
|
315 | (1) |
|
|
315 | (1) |
|
5.136 Taylor dispersion (axial dispersion coefficient) |
|
|
316 | (1) |
|
5.137 Taylor equation viscosity |
|
|
316 | (1) |
|
|
317 | (1) |
|
5.139 Theory of diffusion in colloidal suspensions |
|
|
317 | (1) |
|
|
317 | (1) |
|
5.141 Total force of the fluid on the sphere in a creeping flow around a sphere |
|
|
318 | (1) |
|
5.142 Velocity distribution in a creeping flow around a sphere |
|
|
318 | (1) |
|
5.143 Velocity distribution of a falling film with variable viscosity |
|
|
319 | (1) |
|
5.144 Velocity distribution of flow through a circular tube |
|
|
319 | (1) |
|
5.145 Velocity profile of fluids in flow of two adjacent immiscible fluids |
|
|
319 | (1) |
|
5.146 Viscosity by a falling-cylinder viscometer |
|
|
320 | (1) |
|
|
320 | (4) |
6 Well log analysis, geophysics, petrophysics formulas, and calculations |
|
|
6.1 Acoustic transit time |
|
|
324 | (1) |
|
6.2 Amplitude transmission coefficient in seismic reflection and refraction |
|
|
324 | (1) |
|
6.3 Apparent intensity reflected by recorder (gamma ray) |
|
|
325 | (1) |
|
|
325 | (1) |
|
6.5 Apparent sorption compressibility |
|
|
325 | (1) |
|
6.6 Atlas wireline neutron lifetime log |
|
|
326 | (1) |
|
6.7 Barenblatt-Chorin universal velocity distribution |
|
|
326 | (1) |
|
6.8 Coefficient of reflection |
|
|
327 | (1) |
|
6.9 Compaction correction factor for sonic logs in shale lithology |
|
|
327 | (1) |
|
6.10 Composite capture cross section of the formation (Schlumberger thermal decay time tool) |
|
|
327 | (1) |
|
6.11 Correlation of mud cake resistivity to mud resistivity |
|
|
328 | (1) |
|
6.12 Correlation of mud filtrate resistivity to mud resistivity |
|
|
328 | (1) |
|
6.13 Diffuse-layer thickness |
|
|
328 | (1) |
|
6.14 Effect of clay on conductivity |
|
|
329 | (1) |
|
6.15 Effective photoelectric absorption cross section index |
|
|
329 | (1) |
|
6.16 Electric resistance to a radial current from a wellbore |
|
|
330 | (1) |
|
6.17 Electrochemical potential (SP log) |
|
|
330 | (1) |
|
6.18 Electrokinetic potential (developed across a mud cake) |
|
|
330 | (1) |
|
6.19 Electron density index (GR absorption logging) |
|
|
331 | (1) |
|
6.20 Epithermal neutron diffusion coefficient |
|
|
331 | (1) |
|
6.21 Epithermal neutron distribution (epithermal neutron flux) |
|
|
332 | (1) |
|
6.22 fedi and Hammack equation |
|
|
|
6.23 Formation conductivity in dual water model |
|
|
332 | (1) |
|
6.24 Formation factor-Archie's equation |
|
|
333 | (1) |
|
6.25 Formation factor (Archie's equation with resistivity logs) |
|
|
333 | (1) |
|
6.26 Formation resistivity and permeability (Carothers) relation for limestones |
|
|
334 | (1) |
|
6.27 Formation resistivity and permeability (Carothers) relation for sandstones |
|
|
334 | (1) |
|
6.28 Formation resistivity and porosity relations for carbonate rocks |
|
|
334 | (1) |
|
6.29 Formation resistivity and porosity relations from well log data based on Porter and Carothers data |
|
|
335 | (1) |
|
6.30 Fraction of total porosity occupied by clays |
|
|
335 | (1) |
|
6.31 Fresh water-filled porosity (fresh-water-bearing limestones) |
|
|
336 | (1) |
|
|
336 | (1) |
|
6.33 Gamma ray log shale index |
|
|
336 | (1) |
|
6.34 General form of the Archie equation-Water saturation from resistivity logs |
|
|
337 | (1) |
|
6.35 Generalized relationship between formation resistivity factor and porosity (Chevron formula) |
|
|
337 | (1) |
|
6.36 Geometric coefficient for the electrode |
|
|
338 | (1) |
|
6.37 Geometric coefficient for the lateral device |
|
|
338 | (1) |
|
6.38 Geometric coefficient for the normal sonde |
|
|
338 | (1) |
|
6.39 Half thickness value |
|
|
339 | (1) |
|
6.40 Hingle nonlinear-resistivity/linear-porosity crossplot |
|
|
339 | (1) |
|
6.41 Humble equation (formation resistivity factor vs porosity) |
|
|
340 | (1) |
|
6.42 Integrated radial geometric factor |
|
|
340 | (1) |
|
6.43 Lennard Jones potential |
|
|
340 | (1) |
|
6.44 Linear absorption (attenuation) coefficient |
|
|
341 | (1) |
|
6.45 Maximum potential for self-potential (SP) log |
|
|
341 | (1) |
|
6.46 Mean free path (photon absorption) |
|
|
342 | (1) |
|
|
342 | (1) |
|
6.48 Neutron lethargy (logarithmic energy decrement) |
|
|
342 | (1) |
|
6.49 Neutron porosity of shale zone |
|
|
343 | (1) |
|
6.50 Oil saturation determination (IE and CDN logs) |
|
|
343 | (1) |
|
6.51 Pair production (gamma ray interactions) |
|
|
343 | (1) |
|
6.52 Phillips equation (sandstones) |
|
|
344 | (1) |
|
6.53 Photoelectric absorption cross sectional area |
|
|
344 | (1) |
|
|
345 | (1) |
|
6.55 Poisson's ratio (seismic arrival time method) |
|
|
345 | (1) |
|
6.56 Porosity by using density log data |
|
|
345 | (1) |
|
6.57 Porosity corrected for gas effect |
|
|
346 | (1) |
|
6.58 Porosity-neutron flux relationship |
|
|
346 | (1) |
|
6.59 Rate of radioactive decay |
|
|
346 | (1) |
|
6.60 Relation between concentration of K, Th, or U and recorded total gamma ray signal |
|
|
347 | (1) |
|
6.61 Relationship between rock resistivity and water saturation |
|
|
347 | (1) |
|
6.62 Relationship between SSP and Rw (NaCl predominant) |
|
|
348 | (1) |
|
6.63 Relationship between SSP and Rw (non-ideal shale membrane) |
|
|
348 | (1) |
|
6.64 Relationship between SSP and Rw for water containing salts (non-NaCl predominant) |
|
|
348 | (1) |
|
6.65 Resistivity of a partially saturated shaly sand with hydrocarbons (Vsh, models) |
|
|
349 | (1) |
|
6.66 Resistivity of a water-saturated shaly sand (Vsh, models) |
|
|
349 | (1) |
|
6.67 Rock conductivity (relatively clean water bearing rocks) |
|
|
350 | (1) |
|
6.68 Shale index from gamma ray spectrometry |
|
|
350 | (1) |
|
6.69 Simandoux (total shale) equation |
|
|
351 | (1) |
|
6.70 Sonic porosity (Raymer Hunt Gardner method) |
|
|
351 | (1) |
|
6.71 Spacing between transmitter and receiver |
|
|
352 | (1) |
|
6.72 Static self potential |
|
|
352 | (1) |
|
6.73 Time between the initiation of the pulse and the first arrival acoustic energy at the receiver |
|
|
353 | (1) |
|
6.74 Time-average relation in compacted formations (porosity/transit time relationships) |
|
|
353 | (1) |
|
6.75 Time-average relation in uncompacted formations (porosity/transit time relationships) |
|
|
353 | (1) |
|
6.76 Tortuosity (resistivity logs) |
|
|
354 | (1) |
|
6.77 Total rock conductivity |
|
|
354 | (1) |
|
6.78 True porosity from sonic log (corrected for compaction) |
|
|
355 | (1) |
|
6.79 True resistivity-Archie |
|
|
355 | (1) |
|
6.80 Volumetric photoelectric absorption cross section |
|
|
355 | (1) |
|
6.81 Water salinity index ratio |
|
|
356 | (1) |
|
6.82 Water saturation determination (IE and CDN logs) |
|
|
356 | (1) |
|
6.83 Water saturation from neutron tools |
|
|
356 | (1) |
|
6.84 Water saturation-Resistivity logs |
|
|
357 | (1) |
|
|
357 | (1) |
|
6.86 Wellbore electric voltage generation |
|
|
358 | (1) |
7 Petroleum economics formulas and calculations |
|
|
7.1 Acceptable reliability level |
|
|
359 | (1) |
|
7.2 Additional production estimation with new wells |
|
|
360 | (1) |
|
7.3 Annual gross revenue after royalties and wellhead taxes |
|
|
360 | (1) |
|
7.4 Annuity from future value |
|
|
360 | (1) |
|
7.5 Annuity from present value |
|
|
361 | (1) |
|
7.6 Average annual rate of return method |
|
|
361 | (1) |
|
7.7 Average book rate of return method |
|
|
362 | (1) |
|
7.8 Calculation of unknown interest rate |
|
|
362 | (1) |
|
|
363 | (1) |
|
|
363 | (1) |
|
7.11 Cumulative interest on operational expenses during the lifetime of a well |
|
|
364 | (1) |
|
7.12 Effective interest rate for periodic compounding |
|
|
364 | (1) |
|
7.13 Exploration efficiency |
|
|
364 | (1) |
|
7.14 Future value of an annuity |
|
|
365 | (1) |
|
7.15 Future value of present sum |
|
|
365 | (1) |
|
7.16 Generalized expected value calculation |
|
|
366 | (1) |
|
7.17 Growth rate of return for continuous compounding |
|
|
366 | (1) |
|
7.18 Hoskold method for annual rate of return prediction-1 |
|
|
366 | (1) |
|
7.19 Hoskold method for annual rate of return prediction-2 |
|
|
367 | (1) |
|
7.20 Initial capital needed to survive in a minimum chance scenario |
|
|
367 | (1) |
|
|
368 | (1) |
|
7.22 Minimum number of jobs to survive in a minimum chance scenario |
|
|
368 | (1) |
|
7.23 Minimum profit ratio per a risky job |
|
|
369 | (1) |
|
|
369 | (1) |
|
|
369 | (1) |
|
7.26 Operating cash income |
|
|
370 | (1) |
|
|
370 | (1) |
|
7.28 Present value of an annuity |
|
|
370 | (1) |
|
7.29 Present value of a deferred annuity |
|
|
371 | (1) |
|
7.30 Present value of future sum |
|
|
371 | (1) |
|
7.31 Present value of profit/investment ratio for an oil well |
|
|
372 | (1) |
|
7.32 Present value of uniform gradient series |
|
|
372 | (1) |
|
7.33 Present worth expectation for a risky job |
|
|
373 | (1) |
|
7.34 Probability of an oilfield discovery |
|
|
373 | (1) |
|
|
373 | (1) |
|
7.36 Rate of growth per unit of exploration length |
|
|
374 | (1) |
|
|
374 | (1) |
|
7.38 Total expected additional production discovery |
|
|
375 | (1) |
|
7.39 Total expected additional production discovery in constant production per unit area |
|
|
375 | (1) |
|
7.40 Total new production area estimation expected to be discovered |
|
|
376 | (1) |
8 Phase behavior and thermodynamics formulas and calculations |
|
|
8.1 Amount of heat required to increase the temperature |
|
|
377 | (1) |
|
8.2 Benedict-Webb-Rubin PVT equation |
|
|
378 | (1) |
|
8.3 Critical pressure Cavett relation |
|
|
378 | (1) |
|
8.4 Critical temperature Cavett method |
|
|
379 | (1) |
|
8.5 Effective thermal conductivity of composite solids |
|
|
379 | (1) |
|
8.6 Einstein equation effective viscosity |
|
|
379 | (1) |
|
8.7 Equilibrium vaporization ratio |
|
|
380 | (1) |
|
8.8 Equilibrium vaporization ratio of heptane |
|
|
380 | (1) |
|
8.9 Evaporation loss from an oxygen tank |
|
|
380 | (1) |
|
8.10 Expansion factor for diffuse layer |
|
|
381 | (1) |
|
8.11 Flat-plate boundary layer model |
|
|
381 | (1) |
|
8.12 Freezing of a spherical drop |
|
|
382 | (1) |
|
8.13 General thermal conductivity |
|
|
382 | (1) |
|
8.14 Heat conduction in a cooling fan |
|
|
382 | (1) |
|
8.15 Heat flux distribution in a wall |
|
|
383 | (1) |
|
8.16 Heat loss by free convection from a horizontal pipe |
|
|
383 | (1) |
|
8.17 Heat released during in-situ combustion given by Burger & Sahuquet |
|
|
384 | (1) |
|
8.18 Heat transfer coefficient for condensation-Pure vapors on solid surface |
|
|
384 | (1) |
|
8.19 Heat transfer in packed bed |
|
|
385 | (1) |
|
8.20 Heat transfer rate in laminar forced convection along heated flat plate |
|
|
385 | (1) |
|
8.21 Jacoby aromaticity factor |
|
|
385 | (1) |
|
8.22 Joule Thompson expansion |
|
|
386 | (1) |
|
8.23 Latent heat of hydrocarbon mixture |
|
|
386 | (1) |
|
8.24 Mixing fluids of different densities |
|
|
387 | (1) |
|
8.25 Mole fraction of a component in liquid phase |
|
|
387 | (1) |
|
8.26 Mole fraction of a component in vapor phase |
|
|
387 | (1) |
|
8.27 Necessary inhibitor concentration required in liquid phase to reduce hydrate point |
|
|
388 | (1) |
|
8.28 Peng Robinson characterization factor |
|
|
388 | (1) |
|
8.29 Peng Robinson PVT equation |
|
|
388 | (1) |
|
8.30 Pseudo-reduced conditions |
|
|
389 | (1) |
|
8.31 Radiant heat transfer between disks |
|
|
389 | (1) |
|
8.32 Radiated energy flux |
|
|
390 | (1) |
|
8.33 Radiation across an annular gap |
|
|
390 | (1) |
|
|
391 | (1) |
|
|
391 | (1) |
|
8.36 Redlich-Kwong PVT equation |
|
|
391 | (1) |
|
8.37 Reservoir gas density |
|
|
392 | (1) |
|
8.38 Stefan-Boltzmann law |
|
|
392 | (1) |
|
8.39 Surface temperature of a heating coil |
|
|
393 | (1) |
|
8.40 Temperature due to free convection |
|
|
393 | (1) |
|
8.41 Temperature increase due to forced convection |
|
|
393 | (1) |
|
8.42 Temperature profile after viscous heat transfer |
|
|
394 | (1) |
|
8.43 Temperature profile with a nuclear heat source |
|
|
394 | (1) |
|
8.44 Thermal conductivity for pure metals |
|
|
395 | (1) |
|
8.45 Thermal conductivity of polyatomic gases |
|
|
395 | (1) |
|
8.46 Thermal conductivity of liquids |
|
|
395 | (1) |
|
8.47 Thermal conductivity of solids with gas pockets |
|
|
396 | (1) |
|
|
396 | (1) |
|
8.49 Thermal energy of a fissionable substance |
|
|
397 | (1) |
|
8.50 Thermoelastic effect on stress |
|
|
397 | (1) |
|
8.51 Unsteady evaporation of a liquid |
|
|
397 | (1) |
|
8.52 Van Der Waals PVT equation |
|
|
398 | (1) |
|
8.53 Wien displacement law |
|
|
398 | (1) |
9 Petroleum engineering laboratory formulas and calculations |
|
|
9.1 Absolute viscosity for Saybolt viscosimeter measurements |
|
|
399 | (1) |
|
9.2 Absolute viscosity for Ubbelohde viscosimeter measurements |
|
|
400 | (1) |
|
|
400 | (1) |
|
9.4 Amott-Harvey wettability index |
|
|
400 | (1) |
|
9.5 Apparent facial tension (De Nouy ring method) |
|
|
401 | (1) |
|
9.6 Average compressibility of oil |
|
|
401 | (1) |
|
9.7 Average gas solubility |
|
|
401 | (1) |
|
9.8 Characterization factor for oil distillation |
|
|
402 | (1) |
|
9.9 Clasius-Clapeyron equation for water vapor |
|
|
402 | (1) |
|
9.10 Clay concentration of drilling mud (methylene blue test) |
|
|
402 | (1) |
|
|
403 | (1) |
|
9.12 Correction factor for facial tension (De Nouy ring method) |
|
|
404 | (1) |
|
9.13 Drilling mud density (solid content analysis of drilling muds) |
|
|
404 | (1) |
|
|
405 | (1) |
|
9.15 Error percentage of porosity measurements |
|
|
405 | (1) |
|
9.16 Facial tension (De Nouy ring method) |
|
|
405 | (1) |
|
9.17 Filtration rate for API fluid loss measurement |
|
|
406 | (1) |
|
9.18 Filtration volume without spurt loss |
|
|
406 | (1) |
|
9.19 Filtration volume with spurt loss |
|
|
407 | (1) |
|
9.20 Gas permeability measurement (lab measurement using Klinkenberg effect) |
|
|
407 | (1) |
|
9.21 Kinematic viscosity for Saybolt viscosimeter measurements |
|
|
408 | (1) |
|
9.22 liquid permeability (permeameter lab measurement) |
|
|
408 | (1) |
|
9.23 Permeability determination using porosity data (Kozeny-Carman equation) |
|
|
409 | (1) |
|
9.24 Pycnometer volume correction |
|
|
409 | (1) |
|
9.25 Relative centrifugal force |
|
|
409 | (1) |
|
9.26 Relative permeability |
|
|
410 | (1) |
|
9.27 Reservoir wettability characterization (rise in core method) |
|
|
410 | (1) |
|
|
411 | (1) |
|
|
411 | (1) |
|
9.30 Resistivity index-Archie's law |
|
|
412 | (1) |
|
9.31 Solid content ratio of drilling mud |
|
|
412 | (1) |
|
9.32 Specific gravity of air (upper phase) (De Nouy ring method) |
|
|
412 | (1) |
|
9.33 Standard discharge time for Saybolt viscosimeter measurements |
|
|
413 | (1) |
|
|
413 | (1) |
|
9.35 USBM wettability index |
|
|
413 | (1) |
|
9.36 Yield of clays as drilling fluids |
|
|
414 | (2) |
10 Enhanced oil recovery and geothermal formulas and calculations |
|
|
10.1 Areal extent of heated zone |
|
|
416 | (1) |
|
10.2 Average reservoir temperature in a cyclical steam injection process |
|
|
416 | (1) |
|
10.3 Bottomhole pressure in a static geothermal well |
|
|
417 | (1) |
|
10.4 Chromatographic lag in polymer flooding |
|
|
417 | (1) |
|
10.5 Cumulative heat injected for steam drive-Myhill and Stegemeier |
|
|
417 | (1) |
|
10.6 Depth of carbon dioxide alteration front (Battlet-Gouedard, 2006) |
|
|
418 | (1) |
|
10.7 Depth of carbon dioxide alteration front (Kutchko, 2008) |
|
|
418 | (1) |
|
10.8 Dimensionless heat injection rate (Gringarten and Sauty) |
|
|
418 | (1) |
|
10.9 Dimensionless injection rate of air for in-situ combustion |
|
|
419 | (1) |
|
10.10 Dimensionless ratio of effective volumetric heat capacity of injected steam to that of the steam zone |
|
|
419 | (1) |
|
10.11 Dimensionless time for semi-steady state flow in coal bed methane reservoirs |
|
|
420 | (1) |
|
10.12 Dimensionless time in wet combustion by Kuo |
|
|
420 | (1) |
|
10.13 Dykstra-Parsons coefficient |
|
|
421 | (1) |
|
10.14 Effective (apparent) transmissivity |
|
|
421 | (1) |
|
10.15 Effective oil transmissivity for thermal stimulation |
|
|
421 | (1) |
|
10.16 Equivalent atomic H/C ratio of fuel for in-situ combustion |
|
|
422 | (1) |
|
10.17 Equivalent volume of steam injected-Myhill and Stegemeier |
|
|
422 | (1) |
|
10.18 Equivalent water saturation in burned zone in-situ combustion by Nelson |
|
|
423 | (1) |
|
10.19 Estimates of cumulative oil displacement |
|
|
423 | (1) |
|
10.20 Estimates of oil displacement rate |
|
|
423 | (1) |
|
10.21 Estimating fraction of heat injected in latent form (steam-drive) |
|
|
424 | (1) |
|
10.22 Estimating heat injection rate (steam-drive) |
|
|
424 | (1) |
|
10.23 Estimating performance prediction of steam-drive reservoirs (cumulative oil produced) |
|
|
425 | (1) |
|
10.24 Estimating recovery steam drive (volume of steam in reservoir) |
|
|
425 | (1) |
|
10.25 Estimating steady-state five-spot injection rate (steam-drive) |
|
|
425 | (1) |
|
10.26 Estimating volume of steam injection (steam-drive) |
|
|
426 | (1) |
|
10.27 Fraction of heat injected in latent form-Myhill and Stegemeier |
|
|
426 | (1) |
|
10.28 Fraction of injected heat remaining in reservoir |
|
|
427 | (1) |
|
10.29 Fractional flow of water in hot floods dependent on temperature and saturation in hot water flood |
|
|
427 | (1) |
|
10.30 Growth of steam-heated area-Marx-Langenheim |
|
|
428 | (1) |
|
10.31 Heat loss over an incremental length of a well (two-phase flow) |
|
|
428 | (1) |
|
10.32 Heat ratio of contents in a geothermal reservoir |
|
|
428 | (1) |
|
10.33 Heat released during in-situ combustion-Burger & Sahuguet |
|
|
429 | (1) |
|
10.34 Heat remaining in reservoir-Marx and Langenheim |
|
|
429 | (1) |
|
10.35 Horizontal well breakthrough time in a bottom-water-drive reservoir |
|
|
430 | (1) |
|
10.36 Ignition delay time in in-situ combustion |
|
|
430 | (1) |
|
10.37 Injected air required to burn through unit bulk of reservoir for in-situ combustion by Nelson and McNiel |
|
|
431 | (1) |
|
10.38 Mass of fuel burned per unit bulk reservoir volume combustion-Nelson and McNiel |
|
|
431 | (1) |
|
10.39 Minimum air flux required for advance of fire front-Nelson and McNiel |
|
|
432 | (1) |
|
10.40 Oil breakthrough newly swept zone |
|
|
432 | (1) |
|
10.41 Oil recovery as a function of the fraction of oil displaced from heated zone |
|
|
432 | (1) |
|
10.42 Oil solubilization factor |
|
|
433 | (1) |
|
10.43 Oil volume at breakthrough by Craig, Geffen, and Morse |
|
|
433 | (1) |
|
10.44 Oil-steam ratio-Marx & Langenheim |
|
|
434 | (1) |
|
10.45 Proppant settlement in fracture |
|
|
434 | (1) |
|
10.46 Rate of advancement of combustion front (in-situ combustion) |
|
|
434 | (1) |
|
10.47 Rate of growth of heated zone in hot water heated reservoir |
|
|
435 | (1) |
|
10.48 Rate of oxygen-reacted per unit mass of fuel |
|
|
435 | (1) |
|
10.49 Relationship with real and dimensionless time in hot water floods |
|
|
436 | (1) |
|
10.50 Reservoir flow for gas flow in a formation |
|
|
436 | (1) |
|
10.51 Reservoir flow through the wellbore of a geothermal well |
|
|
436 | (1) |
|
10.52 Saturation of layer under hot water flood |
|
|
437 | (1) |
|
10.53 Slug size in polymer floods |
|
|
437 | (1) |
|
10.54 Temperature increase with time during in-situ combustion process |
|
|
438 | (1) |
|
10.55 Temperature of a producing geothermal well |
|
|
438 | (1) |
|
10.56 Temperature of a single-phase liquid or gas injected geothermal well |
|
|
439 | (1) |
|
10.57 Total heat loss of a geothermal well |
|
|
439 | (1) |
|
10.58 Total oil production from in-situ combustion-Nelson & McNeil |
|
|
439 | (1) |
|
10.59 Total oil production from wet in-situ combustion-Nelson & McNeil |
|
|
440 | (1) |
|
10.60 Total water production from in-situ combustion-Nelson & McNeil |
|
|
440 | (1) |
|
10.61 Volume of burned part of reservoir (in-situ combustion) |
|
|
441 | (1) |
|
10.62 Volume of reservoir burnt by wet combustion |
|
|
441 | (1) |
|
10.63 Volumetric heat capacity |
|
|
441 | (1) |
|
10.64 Wet combustion design (in-situ combustion) |
|
|
442 | (2) |
11 Geomechanics and fracturing formulas and calculations |
|
|
11.1 Axial stress around vertical wellbore |
|
|
444 | (1) |
|
11.2 Axis of a deviated borehole from an arbitrary origin |
|
|
444 | (1) |
|
11.3 Bulk modulus (using Lame) |
|
|
445 | (1) |
|
11.4 Bulk modulus (using Poisson's ratio and Lame's constant) |
|
|
445 | (1) |
|
11.5 Bulk modulus (using Poisson's ratio and shear modulus) |
|
|
445 | (1) |
|
11.6 Change in pore volume due to initial water and rock expansion |
|
|
446 | (1) |
|
11.7 Cohesive strength of rocks |
|
|
446 | (1) |
|
11.8 Compressibility of a coalbed methane formation |
|
|
446 | (1) |
|
11.9 Effect of pore pressure on stress |
|
|
447 | (1) |
|
11.10 Effective stress on individual grains |
|
|
447 | (1) |
|
11.11 Failure criteria (Mohr-Coulomb) |
|
|
447 | (1) |
|
11.12 Formation compressibility by using hydrofrac data |
|
|
448 | (1) |
|
11.13 Fracture conductivity |
|
|
448 | (1) |
|
11.14 Fracture gradient (Eaton) |
|
|
448 | (1) |
|
11.15 Fracture gradient (Holbrook) |
|
|
449 | (1) |
|
11.16 Fracture gradient (Matthews and Kelly) |
|
|
449 | (1) |
|
11.17 Fracture gradient (Zoback and Healy) |
|
|
449 | (1) |
|
11.18 Fracture pressure (Hubert & Willis) |
|
|
450 | (1) |
|
11.19 Fracture volume (GDK method) |
|
|
450 | (1) |
|
11.20 Fracture volume (Perkins and Kern method) |
|
|
451 | (1) |
|
11.21 Fracture width (GDK method) |
|
|
451 | (1) |
|
11.22 Fracture width (Perkins and Kern method) |
|
|
451 | (1) |
|
11.23 Hoek and Brown criteria for principal stress failure |
|
|
452 | (1) |
|
11.24 Horizontal effective stress (assuming no lateral strain as per Lorenz and Teufel) |
|
|
452 | (1) |
|
11.25 Horizontal maximum stress (Bredehoeft) |
|
|
452 | (1) |
|
11.26 Induced fracture dip |
|
|
453 | (1) |
|
11.27 Initial effective horizontal stress |
|
|
453 | (1) |
|
11.28 Isothermal compressibility of limestones (Newman correlation) |
|
|
454 | (1) |
|
11.29 Least principal stress as function of depth in Gulf of Mexico (Hubbert and Willis) |
|
|
454 | (1) |
|
11.30 Least principal stress as function of depth in Gulf of Mexico (Matthew and Kelly) |
|
|
454 | (1) |
|
11.31 Linearized Mohr failure line |
|
|
455 | (1) |
|
11.32 Linearized Mohr coulomb criteria |
|
|
455 | (1) |
|
11.33 M Modulus (using shear modulus and bulk modulus) |
|
|
455 | (1) |
|
11.34 M Modulus (using Young's modulus and Poisson's ratio) |
|
|
456 | (1) |
|
11.35 Maximum anisotropic failure stress |
|
|
456 | (1) |
|
11.36 Maximum compression at vertical wellbore |
|
|
456 | (1) |
|
11.37 Maximum normal stress in tangential direction at wellbore wall (hoop stress) |
|
|
457 | (1) |
|
11.38 Maximum plane tangential stress acting on deviated wellbore |
|
|
457 | (1) |
|
11.39 Maximum principal stress failure (Hoek and Brown) |
|
|
457 | (1) |
|
11.40 Maximum principal stress in normal faulting |
|
|
458 | (1) |
|
11.41 Maximum principal stress in reverse faulting |
|
|
458 | (1) |
|
11.42 Maximum principal stress in strike-slip faulting |
|
|
459 | (1) |
|
11.43 Maximum principal stress calculation using breakout width |
|
|
459 | (1) |
|
11.44 Minimum compression at vertical wellbore |
|
|
459 | (1) |
|
11.45 Minimum normal stress in tangential direction at wellbore wall (hoop stress) |
|
|
460 | (1) |
|
11.46 Maximum plane tangential stress acting on deviated wellbore |
|
|
460 | (1) |
|
11.47 Modified lade criterion |
|
|
460 | (1) |
|
11.48 Normal stress in radial direction near wellbore |
|
|
461 | (1) |
|
11.49 Normal stress in rock at failure |
|
|
461 | (1) |
|
11.50 Normal stress in tangential direction at wellbore wall (hoop stress) |
|
|
462 | (1) |
|
11.51 Normal stress in tangential direction near wellbore (hoop stress) |
|
|
462 | (1) |
|
11.52 Pore pressure increase due to fluid activity (Mody & Hale) |
|
|
463 | (1) |
|
11.53 Pore pressure increase due to given fluid activity contrast (Mody and Hale) |
|
|
463 | (1) |
|
11.54 Pore pressure of shale (Flemings) |
|
|
464 | (1) |
|
11.55 Pore pressure of shale (Traugott) |
|
|
464 | (1) |
|
11.56 Porosity irreversible plastic deformation occurs |
|
|
464 | (1) |
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11.57 Pressure required to induce a tensile fracture (breakdown pressure) |
|
|
465 | (1) |
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11.58 Pressure to grow fractures (Abe, Mura, et al.) |
|
|
465 | (1) |
|
11.59 Radial stress around vertical wellbore |
|
|
466 | (1) |
|
11.60 Ratio of pore pressure change to original due to depletion |
|
|
466 | (1) |
|
11.61 Rotation of maximum principal stress near wellbore |
|
|
467 | (1) |
|
11.62 Rotation of maximum principal stress near wellbore (Zoback & Day-Lewis) |
|
|
467 | (1) |
|
|
467 | (1) |
|
|
468 | (1) |
|
11.65 Shear modulus from Young's modulus |
|
|
468 | (1) |
|
11.66 Shear stress near vertical well |
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|
468 | (1) |
|
11.67 Slowness of the formation |
|
|
469 | (1) |
|
11.68 Storativity of fractures |
|
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469 | (1) |
|
11.69 Stress at edge of wellbore breakout |
|
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470 | (1) |
|
11.70 Stress component near normal faulting in reservoir |
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|
470 | (1) |
|
11.71 Stress components in original coordinate system in depletion drive |
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|
471 | (1) |
|
11.72 Stress intensity at tip of mode I fracture |
|
|
471 | (1) |
|
11.73 Stress path (induced normal faulting) |
|
|
472 | (1) |
|
11.74 Stress path of reservoir with changes in production |
|
|
472 | (1) |
|
11.75 Stress perturbation (Segall and Fitzgerald) |
|
|
472 | (1) |
|
11.76 Subsidence due to uniform pore pressure reduction in free surfaces |
|
|
473 | (1) |
|
11.77 Unconfined compressive strength of rock |
|
|
473 | (1) |
|
11.78 Velocity of bulk compressional waves |
|
|
474 | (1) |
|
11.79 Velocity of compression waves |
|
|
474 | (1) |
|
11.80 Velocity of shear waves |
|
|
474 | (1) |
|
11.81 Vp and V5 calculation (Eberhart-Phillips) |
|
|
475 | (1) |
|
11.82 Vp and Vs calculation (geomechanical model) |
|
|
475 | (1) |
|
11.83 Yield strength (Bingham plastic model) |
|
|
476 | (2) |
12 Facilities and process engineering formulas and calculations |
|
|
12.1 Allowable gas velocity through gas separator |
|
|
478 | (1) |
|
12.2 Allowable velocity in downcomer for tray type tower |
|
|
478 | (1) |
|
12.3 Bed diameter of adsorption unit |
|
|
478 | (1) |
|
12.4 Bed length of adsorption unit |
|
|
479 | (1) |
|
12.5 Block efficiency factor |
|
|
479 | (1) |
|
12.6 Bottom distillation column rate |
|
|
479 | (1) |
|
12.7 Breakthrough time in an adsorption unit |
|
|
480 | (1) |
|
12.8 Breathing loss of natural gas |
|
|
480 | (1) |
|
12.9 Capacity coefficient of valves in gas processing |
|
|
481 | (1) |
|
12.10 Column diameter of packed towers |
|
|
481 | (1) |
|
12.11 Cooling of an ideal gas |
|
|
481 | (1) |
|
12.12 Correction factor for foamless separation |
|
|
482 | (1) |
|
12.13 Correlation factor for Benedict-Webb-Rubin equation |
|
|
482 | (1) |
|
12.14 Critical pressure values for pressure in Van Der Waals equation |
|
|
482 | (1) |
|
12.15 Downcomer velocity in tray type tower |
|
|
483 | (1) |
|
12.16 Electrical heating of a pipe |
|
|
483 | (1) |
|
12.17 Energy requirement of single-stage ideal compressor |
|
|
484 | (1) |
|
12.18 Error in thermocouple temperature measurement |
|
|
484 | (1) |
|
12.19 Eykman molecular refraction |
|
|
485 | (1) |
|
12.20 Fenske's method for minimum theoretical plates |
|
|
485 | (1) |
|
12.21 Gas capacity of separator |
|
|
485 | (1) |
|
12.22 Gas mass velocity in an adsorption unit |
|
|
486 | (1) |
|
12.23 Gas mass velocity in separator |
|
|
486 | (1) |
|
12.24 Gas originally adsorbed |
|
|
487 | (1) |
|
12.25 Gas pressure testing time for unsteady gas flow |
|
|
487 | (1) |
|
12.26 Gravitational attraction of a layer (Bouguer correction) |
|
|
487 | (1) |
|
12.27 Heating of a liquid in an agitated tank |
|
|
488 | (1) |
|
12.28 Height of downcomer filling |
|
|
488 | (1) |
|
12.29 Inhibitor injection rate required |
|
|
489 | (1) |
|
12.30 Instrumentation noise control |
|
|
489 | (1) |
|
12.31 Internal diameter of gas separator |
|
|
489 | (1) |
|
12.32 lsostacy-Airy hypothesis |
|
|
490 | (1) |
|
|
490 | (1) |
|
12.34 Mass of steel Shell in adsorption unit |
|
|
491 | (1) |
|
12.35 Mass transfer zone length of adsorption unit |
|
|
491 | (1) |
|
12.36 Modified Clapeyron criteria |
|
|
491 | (1) |
|
12.37 Packed column actual height |
|
|
492 | (1) |
|
12.38 Pan-Maddox equation for density |
|
|
492 | (1) |
|
12.39 Pan-Maddox equation for molecular weight |
|
|
492 | (1) |
|
12.40 Photoelectric effect |
|
|
493 | (1) |
|
12.41 Power requirement for pumping a compressible flow fluid through a long pipe |
|
|
493 | (1) |
|
12.42 Pressure criteria for separator by ASME (external radius) |
|
|
494 | (1) |
|
12.43 Pressure criteria for separator by ASME (internal radius) |
|
|
494 | (1) |
|
|
494 | (1) |
|
12.45 Proportional band in pressure controller |
|
|
495 | (1) |
|
12.46 Raoult's law in glycol dehydration unit |
|
|
495 | (1) |
|
12.47 Refrigerator shaft speed |
|
|
496 | (1) |
|
|
496 | (1) |
|
12.49 Required oil length in separator |
|
|
496 | (1) |
|
12.50 Required separator liquid section |
|
|
497 | (1) |
|
12.51 Required water length in separator |
|
|
497 | (1) |
|
12.52 Residence time of water in separator |
|
|
497 | (1) |
|
12.53 Residence time oil in separator |
|
|
498 | (1) |
|
12.54 Retention time in a liquid-liquid vessel |
|
|
498 | (1) |