Phase Behavior and ThermodynamicsPVT Properties
Peng-Robinson Characterization Factor Formula
Peng-Robinson Characterization Factor calculates peng-robinson characterization factor for pvt properties workflows in phase behavior and thermodynamics.
How engineers use this formula
Use this formula when the listed inputs (M) are known and the assumptions behind the cited pvt properties 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, k_Ci equals 0.06156 dimensionless.
Mg/mol
200
Inputs
M
g/molMolecular Weight
Outputs
k_Ci
dimensionless
Peng-Robinson Characterization Factor
M
g/mol
Molecular Weight
Source and review
reviewedPeng Robinson characterization factor, PetroleumEngineers.Net
PetroleumEngineers.Net formula library, Peng Robinson characterization factor, formula 8.28.
Source