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LEAKING UPPER MASTER VALVES, ABU DHABI OIL COMPANY – JAPAN

The Abu Dhabi Oil Company (Japan), known as ADOC, is an oil producer contributing to the energy supply to Japan and the development of Abu Dhabi. ADOC’s focus on optimal operations and best practice standards led them to RS Clare when they began to experience problems with leaking valves.

The Problem

A number of Upper Master Valves (UMV) were leaking at one of ADOC’s oil fields and despite attempts to seal the valves the operators struggled to function the valves correctly.

RS Clare’s Valve Lubricant 601TM was recommended to the field supervisor by a colleague at another ADOC field.

The Solution

Our technical sales engineer discussed the issues with the field supervisor and a field trial procedure was agreed for our high-performance Valve Lubricant 601TM.

The Process Agreed:

The Results

Wellheads 1 – 3 trialled Valve Lubricant 601TM and there was a pressure differential across the valves of 1850 psi, 2050 psi, and 1200 psi.

The leakage rate before 601 injection was an average of 2.2 psi/min, 1.0 psi/min and 3 psi/min, compared with leakage rates after 601 was injected averaging 0 psi/min, 0 psi/min and 0.7 psi/min.

Production staff were asked to evaluate the condition of the valves again after a further period of 10 days and with similar pressure differentials, all of the Upper Master Valves bled to zero over. Over an average 40 minute period the UMV’s bled to zero and no leakage rate was recorded.

Customer Feedback

“We were pleased with how quickly 601 stopped the leaking on the valves we trialled and we’re using this in all of our UMV’s to protect the valves from damage and minimise the risk of leaking in the future.”

VALVE LUBRICANT 601TM

Designed to provide exceptional performance across
the widest range of well operating conditions, processes
and equipment applications.

DID YOU KNOW?

VALVE LUBRICANT 601TM IS RECOMMENDED FOR BOTH GATE VALVES AND PLUG VALVES

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