Average upstroke load (sucker-rod pump)
Input(s)
C: Caliberation Constant of Dynamometer (lb/in.)
a: Lower Area of Card (in. \({ }^{2}\) )
A: Area of Upper Card (in. \({ }^{2}\) )
L: Length of Dynamometer Card (in.)
Output(s)
AUL: Average Upstroke Load (lb)
Formula(s)
\[
A U L=C * \frac{A+a}{L}
\]
Notes: Calculations Based on Dynamometer Card.
Reference(s)
Boyun, G., William, C., & Ali Ghalambor, G. (2007). Petroleum Production Engineering: A Computer-Assisted Approach, Page: 18/269.