Subsea considerations - Casing pressure decrease when bringing well on choke

Input(s)

SICP: Shut in casing Pressure (psi)

CLPL: Choke Line Pressure Loss (psi)

Output(s)

$P_{r}$: Casing Pressure Decrease when bringing well on choke (psi)

Formula(s)

$$ P_{r}=S I C P-C L P L $$

Reference(s)

Formulas and Calculations for Drilling, Production and Workover, Second Edition, Lapeyrouse, Page: 144.