Page 157 - Formulas and Calculations for Petroleum Engineering

150 Formulas and calculations for petroleum engineering

Output(s)

HP P : Power Required (hp)

Formula(s)

Q DP
HP ¼
P
1714
Reference: Samuel. E Robello. 501 Solved Problems and Calculations for Drilling Operations. Sigma Quadrant. 2015.
Houston, Texas, Page: 70.

2.181 Pump displacement

Input(s)
D: Rotor Diameter (in.)
E: Rotor/Stator Eccentricity (in.)
P s : Pitch Length of Stator (ft)

Output(s)
3
V o : Pump Displacement (ft )

Formula(s)

V ¼ 0:028 D E P
o s

Reference: Boyun, G., William, C., & Ali Ghalambor, G. (2007). Petroleum Production Engineering:A Computer-Assisted
Approach, Page: 14.

2.182 Pump flow rate

Input(s)
D: Rotor Diameter (in.)
E: Rotor/Stator Eccentricity (in.)
N: Rotary Speed (rpm)
Q s : Leak Rate (bbl/d)
P s : Pitch Length of Stator (ft)

Output(s)
Q e : Pump Flow Rate (bbl/d)

Formula(s)

Q ¼ 7:12 D E P N Q
e s s
Reference: Boyun, G., William, C., & Ali Ghalambor, G. (2007). Petroleum Production Engineering:A Computer-Assisted
Approach, Page: 14.