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Gas Formation Volume Factor

Gas Formation Volume Factor. Formula • gas pv=znrt 4. This factor is used to convert surface measured volumes to reservoir conditions, just as oil formation volume factors are used to convert surface measured oil volumes to reservoir volumes.

Two Phase Oil Formation Volume Factor (Bt) Top Dog Engineer
Two Phase Oil Formation Volume Factor (Bt) Top Dog Engineer from topdogengineer.com

Gas formation volume factor derivation 1. Gas formation volume factor in frac = m 3 / m 3. The formation volume factor of a natural gas (b g) relates the volume of 1 lbmol of gas at reservoir conditions to the volume of the same lbmol of gas at standard conditions, as follows:

Since Most Measurements Of Oil And Gas Production Are Made At The Surface, And Since The Fluid Flow Takes Place In The Formation, Volume Factors Are Needed To Convert Measured Surface Volumes To.


E fw = cumulative formation and water. How to calculate and solve for gas formation volume factor (fvf) | the calculator encyclopedia the image above represents the gas fvf. From the figure above, it should be clear that the gas formation volume factor is the total free gas phase volume at reservoir conditions divided by the gas volume of the same sample at standard conditions ().

Boi = Formation Volume Factor (Rb/Stb) 7758 = (43560 Ft2/Acre) / (5.614 Cuft/Bbl) B.


The gas formation volume factor indicates how much the gas volume would change as a response to the change in pressure. Gas formation volume factor (fvf) bg = 0.005035*(trc+460)*zrc/(prc*zsc) where bg = gas fvf, rb/scf, trc = reservoir temperature, deg f, prc = reservoir pressure, psia zrc and zsc = gas z factor at reservoir condition and standard condition, respectively. Formation volume factor, l 3 /std l 3:

Properties Of Crude Oil 2.


The gas formation volume factor is used to relate the volume of gas, as measured at reservoir conditions, to the volume of the gas as measured at standard conditions, i.e., 60°f and 14.7 psia. B oi = formation volume factor for oil at initial conditions (reservoir bbl barrels / stb stock tank barrels) from lab data; Fortunately in most cases, the phase behavior of gases can be.

Gor = R S + [K Rg / Kro] [Μ O B O / Μgbg] Gor = 11 + [12/16] [7 X 18 /9 X 22] Gor = 11 + [12/16] [126/198] Gor = 11 + [12/16] [0.63] Gor = 11 + [0.75] [0.63] Gor = 11 + 0.477 Gor = 11.477.


For most cases, zsc = 1. The gas formation volume factor is used to relate the volume of gas, as measured at reservoir conditions, to the volume of the gas as measured at standard conditions (i.e., 60 °f and 14.7. The formation volume factor for gas is defined as the ratio of volume of 1 mol of gas at a given pressure and temperature to the volume of 1 mol of gas at standard conditions (p s and t s).

To Compute For The Gas Fvf, Three Essential Parameters Are Needed And These Parameters Are.


Oilfield units for bg are typically either reservoir barrels per thousand cubic feet of gas (bbl/mscf) or reservoir cubic feet (or meters) of gas per standard cubic foot (or meter) of gas (cf/scf or m3/sm3). In this video we will discuss gas formation volume factor and summarize the introduction of oil and gas reservoirs. The gas formation volume factor is used to relate the volume of gas, as measured at reservoir conditions, to the volume of the gas as measured at standard conditions, i.e., 60°f and 14.7 psia.

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