MATHEMATICAL MODEL ENHANCES PUMPING-UNIT DESIGN

J.P. Byrd Consultant Lufkin, Tex. A performance effectiveness (PE) model has been developed to assist determining the optimal and most economical performance of different pumping-unit geometries. This new, modified approach, called the PE model, recognizes rod and structural loading; rod loading alone; torsional loading; lift efficiency; surface efficiency of the prime mover, belts, drive train, and structural bearings; prime-mover size requirement; and power consumption.

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