Polished rod horsepower - Sucker-rod pump

Input(s)

C: Calibration Constant of Dynamometer (lb/in.)

A: Upper Area of Card (in. ${ }^{2}$ )

L: Length of Card (in.)

S: Maximum Theoretical Polished Rod Position (in.)

N: Strokes Per Minute (spm)

Output(s)

PRHP: Polished Rod Horsepower (hp)

Formula(s)

Reference(s)

Boyun, G., William, C., & Ali Ghalambor, G. (2007). Petroleum Production Engineering:A Computer-Assisted Approach, Page: 18.