Production EngineeringWell Performance
Range of Load - Sucker Rod Pump Formula
Range of Load - Sucker Rod Pump calculates range of load for well performance workflows in production engineering.
How engineers use this formula
Use this formula when the listed inputs (PPRL, MPRL) are known and the assumptions behind the cited well performance relationship match the engineering case being checked.
Assumptions
- Input values are representative for the well, reservoir, fluid, or equipment case being evaluated.
- The declared units match the field-unit constants used in the formula.
- The cited formula applies to the selected petroleum engineering workflow.
Limitations
- The calculation does not replace a full engineering model or operating procedure.
- Accuracy depends on the source correlation, assumptions, input quality, and unit consistency.
Common mistakes
- Mixing unit systems without converting the inputs.
- Using default example values as field recommendations.
- Applying the formula outside the source assumptions.
Default example
Using the default inputs, ROL equals 6,000 lb.
PPRLlb
12000
MPRLlb
6000
Inputs
PPRL
lbPeak Polished Rod Load
MPRL
lbMinimum Polished Rod Load
Outputs
ROL
lb
Range of Load
PPRL
lb
Peak Polished Rod Load
MPRL
lb
Minimum Polished Rod Load
Source and review
reviewedGuo, B., Lyons, W.C. and Ghalambor, A. 2007. Petroleum Production Engineering: A Computer-Assisted Approach, Page 18.
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