Optimal Design of Progressing Cavity Pumps(PCP)

[+] Author and Article Information
G. Robello Samuel

 Halliburton Drilling, Evaluation and Digital Solutions, Houston, TX 77042rsamuel@lgc.com

Ken J. Saveth

 System RunLIfe Group – PCP Specialist, Tulsa, OK 74017

J. Energy Resour. Technol 128(4), 275-279 (Feb 07, 2006) (5 pages) doi:10.1115/1.2358142 History: Received October 27, 2003; Revised February 07, 2006

The drive for energy independence has created a window of opportunity for innovations in oil recovery. New artificial lift methods like progressing cavity pumping have been successfully applied to downhole pumping applications. The multilobe pumps are also making inroads into the industry to be used under different operating conditions. Although the design has been mainly based on empirical standards and trial and error modifications, a more phenomenally optimum design of the pump is required to achieve a high efficiency standard. The optimal relationship between the pitch and the diameter of the housing is obtained to achieve a maximum flow rate for multilobe pumps.

Copyright © 2006 by American Society of Mechanical Engineers
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Figure 1

Shaft/housing pairs

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Figure 2

Horizontal cross section and corresponding vertical cross section of the pump

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Figure 3

Variation of ratio of minor elastomer thickness to the pitch of the housing for diameter of the pump to pitch ratios

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Figure 4

Flow rate for various numbers of lobes

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Figure 5

Flow rate for various numbers of lobe ratios

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Figure 6

Dimensionless performance plot



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