Reservoir EngineeringReservoir Volumetrics
Reservoir Pore Volume - Volumetric Method Formula
Reservoir Pore Volume - Volumetric Method calculates reservoir pore volume for reservoir volumetrics workflows in reservoir engineering.
How engineers use this formula
Use this formula when the listed inputs (A, h, phi) are known and the assumptions behind the cited reservoir volumetrics relationship match the engineering case being checked.
Assumptions
- Input values are representative for the well, reservoir, fluid, or equipment case being evaluated.
- The declared units match the field-unit constants used in the formula.
- The cited formula applies to the selected petroleum engineering workflow.
Limitations
- The calculation does not replace a full engineering model or operating procedure.
- Accuracy depends on the source correlation, assumptions, input quality, and unit consistency.
Common mistakes
- Mixing unit systems without converting the inputs.
- Using default example values as field recommendations.
- Applying the formula outside the source assumptions.
Default example
Using the default inputs, PV equals 11,171,520 bbl.
Aacres
160
hft
50
phifraction
0.18
Inputs
A
acresReservoir Area
h
ftNet Pay Thickness
phi
fractionPorosity
Outputs
PV
bbl
Reservoir Pore Volume
A
acres
Reservoir Area
h
ft
Net Pay Thickness
phi
fraction
Porosity
Source and review
reviewedReservoir Engineering Handbook pore-volume relationship and field-unit 7758 bbl/acre-ft conversion.
Source