Density of Brine (Completion and Workover Fluids) Formula
Density of Brine (Completion and Workover Fluids) calculates brine density at standard reference temperature for well performance workflows in production engineering.
How engineers use this formula
Use this formula when the listed inputs (rho_m, C_te, T_m, T_s) are known and the assumptions behind the cited well performance 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, rho_s equals 10.5525 lbm/gal.
10.5
0.00025
90
70
Inputs
rho_m
lbm/galMeasured Brine Density at Ambient Conditions
C_te
1/deg FCoefficient of Thermal Expansion
T_m
deg FAmbient Brine Measurement Temperature
T_s
deg FStandard Reference Temperature
Outputs
rho_s
Brine Density at Standard Reference Temperature
rho_m
Measured Brine Density at Ambient Conditions
C_te
Coefficient of Thermal Expansion
T_m
Ambient Brine Measurement Temperature
T_s
Standard Reference Temperature
Source and review
reviewedBridges, K.L. 2000. Completion and Workover Fluids, Vol. 19, Society of Petroleum Engineers, Page 45.
Source