Page 134 - Formulas and Calculations for Petroleum Engineering

Drilling engineering formulas and calculations Chapter 2 127

Formula(s)

0:5
KWM
* *
MSP ¼ 0:2 P V
C
Reference: Formulas and Calculations for Drilling, Production and Workover, Second Edition, Lapeyrouse, Page: 129.

2.122 Kick analysis—Shut-in drill pipe pressure

Input(s)
P fp : Formation Pressure (psi)
mw: Mud weight (ppg)
h: height (ft)

Output(s)

SIDPP: Shut in Drill Pipe Pressure (psi)

Formula(s)

ð
SIDPP ¼ P mw 0:052 hÞ
fp
Reference: Formulas and Calculations for Drilling, Production and Workover, Second Edition, Lapeyrouse, Page: 131.

2.123 Kick analysis—Height of influx
Input(s)

PG: Pit Gain (bbl)
AC: Annular Capacity (bbl/ft)

Output(s)
h: Height of Influx (ft)

Formula(s)

PG
h ¼
AC

Reference: Formulas and Calculations for Drilling, Production and Workover, Second Edition, Lapeyrouse, Page: 126.

2.124 Kill weight mud determination—Moore equation

Input(s)

SIDPP: Shut-in Drill Pipe Pressure (psi)
OMW: Original Mud Weight (ppg)
TVD: True Vertical Depth (ft)