Reservoir Fuel Burned per Bulk Volume - Nelson and McNiel Formula
Reservoir Fuel Burned per Bulk Volume - Nelson and McNiel calculates mass of fuel burned per unit bulk reservoir volume for waterflooding and eor workflows in reservoir engineering.
How engineers use this formula
Use this formula when the listed inputs (phi, phi_E, m_E) are known and the assumptions behind the cited waterflooding and eor 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, m_R equals 2.142857 lbm/ft^3.
0.25
0.3
2
Inputs
phi
fractionReservoir porosity
phi_E
fractionEffective porosity in laboratory experiment
m_E
lbm/ft^3Mass of fuel burned per unit bulk volume in laboratory experiment
Outputs
m_R
Mass of fuel burned per unit bulk reservoir volume
phi
Reservoir porosity
phi_E
Effective porosity in laboratory experiment
m_E
Mass of fuel burned per unit bulk volume in laboratory experiment
Source and review
reviewedThermal Recovery, Prats, M. (1986)
Prats, M. 1986. Thermal Recovery. Society of Petroleum Engineers, New York, Chapter 8, Page 89.
Source