Oxygen Reaction Rate per Unit Fuel Mass Formula
Oxygen Reaction Rate per Unit Fuel Mass calculates oxygen reaction rate per unit fuel mass for waterflooding and eor workflows in reservoir engineering.
How engineers use this formula
Use this formula when the listed inputs (P_O2, A_c, E_a, R, T_a) 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_oxy equals 0.036181 mol/s-lbm.
50
1e-8
20000
1.986
900
Inputs
P_O2
psiPartial Pressure of Oxygen
A_c
1/s-psiPre-Exponential Constant
E_a
BTU/lbmolActivation Energy
R
BTU/lbmol-KGas Constant
T_a
KAbsolute Temperature
Outputs
m_oxy
Oxygen Reaction Rate per Unit Fuel Mass
P_O2
Partial Pressure of Oxygen
A_c
Pre-Exponential Constant
E_a
Activation Energy
T_a
Absolute Temperature
Source and review
reviewedEnhanced Oil Recovery, Green, D.W., Willhite, G.P.
Green, D.W. and Willhite, G.P. Enhanced Oil Recovery, Page 386.