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Cavitation problems solved at oil rig in the Middle East

CASE STUDY

Cavitation problems solved at oil rig in the Middle East

IMI Publications

Written By IMI Publications

March 21, 2023

The Challenge

In 2013, an oil production facility with a long-standing relationship with IMI CCI, was experiencing significant cavitation issues in their pump discharge level control valves. After properly diagnosing the root cause, IMI CCI resolved the cavitation problem by supplying multi-stage pressure letdown 900D DRAG® valves.Five years later, this same oil production facility was facing a new problem with their pump discharge level control valves. Following a well rejuvenation program, the sand content in the oil stream increased dramatically and the customer discovered that the flow passages in the 900D were clogging with sand and that accelerated erosion was occurring on the disk stack and balance cylinder.​

The Solution

Given the successful track record of the DRAG® technology in mitigating their previous cavitation issues, as well as IMI CCI’s reputation for solving challenging control valve problems, the customer requested IMI CCI to work with their engineering consultants to resolve the new issues.IMI CCI Valve Doctors® met with the customer’s team to analyse the available flow data. Starting with the proven foundation of DRAG®, the Valve Doctors® proposed upgrading the level control valves to custom 100D designs utilising a tungsten carbide (WC) trim and large flow passages. WC provides excellent wear resistance against sand and particulate erosion.

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