CaCl2 and CaBr2 Salt Addition for Two-Salt Brine Formula
CaCl2 and CaBr2 Salt Addition for Two-Salt Brine calculates mass of 95 percent cabr2 needed for well performance workflows in production engineering.
How engineers use this formula
Use this formula when the listed inputs (V_833, C_95, C_94, W_i) 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, m_95 equals 40,000 lbm.
100
300
120
0.75
Inputs
V_833
bblWater Volume Diluting the Original Brine
C_95
lbm/bblConcentration of 95 Percent CaBr2 in Initial Brine
C_94
lbm/bblConcentration of 94 Percent CaCl2 in Initial Brine
W_i
bbl/bblWater Fraction in Initial Brine
Outputs
m_95
Mass of 95 Percent CaBr2 Needed
m_94
Mass of 94 Percent CaCl2 Needed
V_833
Water Volume Diluting the Original Brine
C_95
Concentration of 95 Percent CaBr2 in Initial Brine
C_94
Concentration of 94 Percent CaCl2 in Initial Brine
Source and review
reviewedCompletion and Workover Fluids, Bridges, K.L. (2000)
Bridges, K.L. 2000. Completion and Workover Fluids, Vol. 19, Society of Petroleum Engineers, Page 56.