With the current pressure on profitability, the economics of oil production are being closely scrutinized by most producers. This paper develops a method for estimating the power cost for electrical submersible pumping systems (ESP's) and views the role of power cost in the overall picture of economics for this type of artificial lift. To validate the procedure that is used, the calculations have been compared to actual data taken from field tests of operating ESP's.

This paper is directed toward the Engineer who is responsible for the selection of artificial lift equipment. To increase the utility of the method, it uses only data published by the equipment manufacturer and well established calculating routines.

The total economic picture of artificial lift would have to include many factors which are beyond the scope of this paper. This paper will limit itself to the factors that are involved in the choices an Engineer has to make in the selection of ESP's.

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