Paper: Pitfalls of Pumping Unit Selection Application

The generally accepted methods of pumping unit selection usually are satisfactory in obtaining the correct sizes of pumping units; however, the average design conditions do not take into consideration such factors as down hole friction, fluid with a gravity greater than one, out of counter-balance conditions, and many others. Each step in the procedure of proper selection is discussed, and the pitfalls which may and can occur are pointed out for examples.