Drilling EngineeringWell Control
Kick Analysis - Maximum Pit Gain From Gas Kick Formula
Kick Analysis - Maximum Pit Gain From Gas Kick calculates maximum pit gain for well control workflows in drilling engineering.
How engineers use this formula
Use this formula when the listed inputs (P, V, C, KWM) are known and the assumptions behind the cited well control 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, MPG equals 89.442719 bbl.
Ppsi
7000
Vbbl
20
Cbbl/ft
0.05
KWMppg
14
Inputs
P
psiFormation Pressure
V
bblPit Gain
C
bbl/ftAnnular Capacity
KWM
ppgKill Weight Mud
Outputs
MPG
bbl
Maximum Pit Gain
P
psi
Formation Pressure
V
bbl
Pit Gain
C
bbl/ft
Annular Capacity
KWM
ppg
Kill Weight Mud
Source and review
reviewedLapeyrouse, N.J. Formulas and Calculations for Drilling, Production and Workover, 2nd Edition, Page 127.
Source