Ennsub completes work on Wheatstone LNG platform

Subsea products and equipment manufacturer Ennsub has successfully completed the design, manufacture, testing and installation of bespoke sealing systems for the Wheatstone Liquefied Natural Gas (LNG) platform off the coast of Australia.

The company was approached by a tier-one marine contractor to design two different systems to provide an external and internal sealing system for 64-off 8” NS ballasting pipes located at each corner of the platform. Ennsub was responsible for the design and supply of all equipment, including downline recovery winches, remote disconnect heads and isolation plugs. Following an intensive factory-acceptance test programme, which simulated the offshore conditions, four Ennsub engineers were mobilised to Australia to perform the installation of the 128-off bespoke sealing systems.

Photo courtesy of The Big Partnership

The solution presented by Ennsub replaced the alternative grouting solution being considered by the end user and the success of the operation exceeded all parties’ planned timescales with Ennsub’s engineers successfully completing the installation in half the time allocated. Scott Macknocher, managing director of Ennsub, said: “This was a great opportunity to demonstrate our design, innovation and supply capability on such a prestigious project. We are very pleased with the success of the operation and performance of both the equipment and our experienced offshore technicians. The solution significantly reduced the planned installation time and had major cost saving benefits for the end user.”

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