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Surface Jet Pumps Enhance Production and Processing

Fig. 1—General configuration and key components of the SJP.

Surface jet pumps (SJPs) are simple, low-cost, passive devices that use a high-pressure (HP) fluid as the motive force to boost the pressure of produced-gas and -liquid phases. In recent years, the oil and gas industry has become more aware of their applications and benefits. These systems enable the flowing wellhead pressure (FWHP) to be reduced in order to increase production while meeting downstream production-pressure requirements.

SJP Operation and Applications

In an SJP, the HP fluid passes through the nozzle, where part of the potential energy (pressure) is converted to kinetic energy (high velocity). As a result, the pressure of the HP fluid drops in front of the nozzle. It is at this point that the low-pressure (LP) flow is introduced. The mixture then passes through the mixing tube, where transfer of energy and momentum takes place between the HP and LP fluids. The mixture finally passes through the diffuser, where the velocity of fluids is gradually reduced and further recovery of pressure takes place. The pressure at the outlet of the jet pump will be at a value between that of the HP fluid and that of the LP fluid. Fig. 1 above illustrates the general configuration of the SJP.

This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 164256, “Novel Examples of the Use of Surface Jet Pumps To Enhance Production and Processing: Case Studies and Lessons Learned,” by Syed M. Peeran, Najam Beg, and Sacha Sarshar, Caltec UK, prepared for the 2013 SPE Middle East Oil and Gas Show and Exhibition, Manama, Bahrain, 10–13 March. The paper has not been peer reviewed.
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Surface Jet Pumps Enhance Production and Processing

01 November 2014

Volume: 66 | Issue: 11

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