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Reservoir Engineering
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Reservoir Engineering
163 items
API gravity
Characteristic time for linear diffusion in reservoirs
Oil saturation at any depletion state below the bubble point pressure
Average permeability for linear flow - Layered beds
Cumulative oil production - Undersaturated oil reservoirs
Average permeability for linear flow - Series beds
Effective wellbore radius of a horizontal well - Method 1 - Isotropic reservoirs
Average permeability for parallel-layered systems
Gas bubble radius
Average permeability in radial systems
Gas material balance equation
Average temperature of a gas column
Horizontal well breakthrough time-With gas cap or bottom water
Calculation of fractional flow curve
Ineffective porosity
Capillary number
Kerns method for gas flow in a fracture
Capillary pressure
Modified Kozeny-Carman relationship
Cole plot
Productivity index for a gas well
Communication between compartments in tight gas reservoirs
Solution gas oil ratio - Beggs-Standing correlation - P<Pb
Communication factor in a compartment in tight gas reservoirs
Transmissibility between compartments
Compressibility drive in gas reservoirs
Vertical well critical rate correlations - Meyer, Gardner, and Pirson - Gas coning
Correction factor - Hammerlindl
Volumetric heat capacity of a reservoir
Critical rate for horizontal Wells in edge-water drive reservoirs
Water influx constant for the van Everdingen and Hurst unsteady-state model
Crossflow index
Cumulative effective compressibility - Fetkovich
Cumulative gas production - Tarner's method
Deliverability equation for shallow gas reservoirs
Dimensionless pressure - Kamal and Brigham
Dimensionless radius of radial flow - Constant-rate production
Dimensionless time - Myhill and Stegemeier's method
Dimensionless time for interference testing in homogeneous reservoirs - Earlougher
Dimensionless vertical well critical rate correlations - Hoyland, Papatzacos, and Skjaeveland
Dimensionless wellbore storage coefficient of radial flow - Constant-rate production
Effective compressibility in undersaturated oil reservoirs - Hawkins
Effective wellbore radius of a horizontal well - Method 1- Anisotropic reservoirs
Effective wellbore radius of a horizontal well - van der Vlis et al. method
Effective wellbore radius of a well in presence of uniform-flux fractures
Effective wellbore radius to calculate slant well productivity - van der Vlis et al.
Estimation of average reservoir pressure - MDH method
Formation temperature for a given gradient
Fraction of the total solution gas retained in the reservoir as free gas
Fractional gas recovery below the critical desorption pressure in coal bed methane reservoirs
Free gas in place
Gas adsorbed in coal bed methane reservoirs
Gas cap ratio
Gas cap shrinkage
Gas drive index in gas reservoirs
Gas expansion factor
Gas expansion term in gas reservoirs
Gas flow rate into the wellbore
Gas flow under laminar viscous conditions
Gas formation volume factor
Gas hydrate dissociation pressure
Gas produced by gas expansion
Gas saturation - Water-drive gas reservoirs
Gas solubility in coalbed methane reservoirs
Geertsma's model for porosity/transit-time relationship
Geothermal gradient
Hagen Poiseuille equation (1)
Hagoort and Hoogstra gas flow in tight reservoirs
Hammerlindl method for gas in place
High-pressure region gas flow rate
Horizontal well critical rate correlation - Chaperon
Horizontal well critical rate correlations - Efros
Horizontal well critical rate correlations - Giger and Karcher
Horizontal well critical rate correlations - Joshi method for gas coning
Hydrocarbon pore volume occupied by evolved solution gas
Hydrocarbon pore volume occupied by gas cap
Hydrocarbon pore volume occupied by remaining oil
Hydrostatic pressure
Incremental cumulative oil production in undersaturated reservoirs
Initial gas cap
Initial gas in place for water-drive gas reservoirs
Injectivity index
Instantaneous gas-oil ratio
Interporosity flow coefficient
Interstitial velocity
Isothermal compressibility of oil - Vasquez-Beggs correlation - P>Pb
Isothermal compressibility of oil - Villena-Lanzi correlation - P<Pb
Isothermal compressibility of water - Osif correlation
Klinkenberg gas effect
Kozeny equation
Kozeny-Carman relationship
Leverett J-function
Line-source solution for damaged or stimulated wells
Low-pressure region gas flow rate for non-circular drainage area
Material balance for cumulative water influx - Havlena and Odeh
Maximum height of oil column in cap rock
Modified Cole plot
Normalized saturation
Oil bubble radius of the drainage area of each well represented by a circle
Oil density - Standing's correlation
Oil formation volume factor - Standing's correlation
Oil formation volume factor - Beggs-Standing correlation 1 - P<Pb
Oil formation volume factor - Beggs-Standing correlation 2 - P>Pb
Oil in place for undersaturated oil reservoirs without fluid injection
Oil in place in saturated oil reservoirs
Oil lost in migration
Original gas in place
Payne method for intercompartmental flow in tight gas reservoirs
Performance coefficient for shallow gas reservoirs
Poisson's ratio
Pore throat sorting
Pore volume occupied by injection of gas and water
Pore volume through squared method in tight gas reservoirs
Porosity determination - IES and FDC logs
Produced gas-oil ratio
Pseudo-steady state productivity of horizontal Wells - Method 1
Pseudo-steady state productivity of horizontal Wells - Method 2
Pseudo-steady state productivity of horizontal wells - Method 3
Pseudo-steady state radial flow equation
Relative permeability - Corey exponents
Remaining gas in place in coalbed methane reservoirs
Roach plot for abnormally pressured gas reservoirs
Rock expansion term in abnormally pressured gas reservoirs
Shape factor - Earlougher
Solution gas oil ratio - Standing's correlation
Solution gas water ratio
Somerton method for formation permeability in coalbed methane reservoirs
Specific gravity of gas hydrate forming components
Time to reach the semi-steady state for a gas well in a circular or square drainage area (1)
Time to the end of infinite-acting period for a well in a circular reservoir
Torcaso and Wyllie's correlation for relative permeability ratio prediction
Total compressibility
Total pore volume compressibility
Transmissibility of a compartment
Transmissivity
Trapped gas volume in water-invaded zones
Two-phase formation volume factor
Underground fluid withdrawal - Havlena and Odeh
Vertical well critical rate correlations - Craft and Hawkins method
Vertical well critical rate correlations - Hoyland, Papatzacos, and Skjaeveland - Isotropic reservoirs
Vertical well critical rate correlations - Meyer, Gardner, and Pirson - Simultaneous gas and water coning
Vertical well critical rate correlations - Meyer, Gardner, and Pirson - Water coning
Viscosibility
Viscosity of crude oil through API
Viscosity of dead oil - Standing's correlation
Viscosity of dead-oil - Egbogah correlation - P<Pb
Viscosity of live oil - Beggs/Robinson correlation
Viscosity of oil - Vasquez/Beggs correlation - P>Pb
Viscosity of water at atmospheric pressure - McCain correlation
Viscosity of water at reservoir pressure - McCain correlation
Volume of gas adsorbed in coalbed methane reservoirs
Water breakthrough correlation in vertical wells - Bournazel and Jeanson
Water breakthrough correlations in vertical wells - Sobocinski and Cornelius
Water content of sour gas
Water cut - Stiles
Water-drive index for gas reservoirs
Water-drive recovery
Water expansion term in gas reservoirs
Water formation volume factor - McCain correlation
Water influx - Pot aquifer model
Water two-phase formation volume factor
Waxman and Smits model - Clean sands
Welge extension - Fractional flow