Casing Pressure Increase from Stripping Into Influx Calculator
Enter the declared drilling engineering inputs below to solve P. Variable definitions, units, the default calculation, and the available source trail are included on this page.
What is available in this record
This record provides the functioning calculator, formula, declared variables and units, a reproducible default result, and the available citation metadata. A separately written engineering interpretation has not yet been published for this calculation.
Formula, variables, and default calculation
Reproducible default result
With the default values shown below, the calculation returns P = 34.371605 psi. Defaults demonstrate the implementation; they are not recommended field values.
62.49382716049384
0.65
0.1
Input definitions
H
ftHeight Gain from Stripping Into Influx
G
psi/ftMud Gradient
G_i
psi/ftInflux Gradient
Output definitions
P
Casing Pressure Increase from Stripping Into Influx
H
Height Gain from Stripping Into Influx
G
Mud Gradient
G_i
Influx Gradient
Source and record status
Source metadata identifies the relationship implemented by the calculator. Check the cited edition, unit basis, and scope against the engineering case before operational use.
Lapeyrouse, N.J. Formulas and Calculations for Drilling, Production and Workover, 2nd Edition, Page 140.
Open source reference