Subsea Stack Casing Burst Pressure Formula
Subsea Stack Casing Burst Pressure calculates subsea stack casing burst pressure for well control workflows in drilling engineering.
How engineers use this formula
Use this formula when the listed inputs (YP, SF, W_u, H, H_s, W_s) 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, CBP equals 6,221.6 psi.
10000
0.8
12
5000
3000
8.6
Inputs
YP
psiInternal Yield Pressure
SF
fractionSafety Factor
W_u
ppgMud Weight in Use
H
ftDepth from Rotary Kelly Bushing to Mudline
H_s
ftSeawater Depth
W_s
ppgSeawater Weight
Outputs
CBP
Subsea Stack Casing Burst Pressure
YP_c
Casing Internal Yield Pressure with Safety Factor
HP
Mud Hydrostatic Pressure from Rotary Kelly Bushing to Mudline
HP_sw
Seawater Hydrostatic Pressure
YP
Internal Yield Pressure
SF
Safety Factor
W_u
Mud Weight in Use
H
Depth from Rotary Kelly Bushing to Mudline
H_s
Seawater Depth
W_s
Seawater Weight
Source and review
reviewedFormulas and Calculations for Drilling, Production and Workover, Lapeyrouse, N.J. (2002)
Lapeyrouse, N.J. 2002. Formulas and Calculations for Drilling, Production and Workover, 2nd Edition, Page 146.
Source