Hydratight Completes Pipeline Upgrade Project in Western Australia

Published Jun 7, 2016
Hydratight - connector
Diver installing connector during John Brookes JV project (photo: Hydratight)

Joint integrity specialist Hydratight has completed an upgrade project on a section of subsea pipeline on the North West Shelf of Western Australia.

Contracted by Western Australia (WA) based Quadrant Energy Pty Ltd on behalf of the John Brookes Joint Venture, Hydratight engineered, manufactured, delivered and supported the installation of an 18-inch MORGRIP® connector on the John Brookes subsea pipeline located 54 km north-east of Quadrant’s Varanus Island facilities.

Two of Hydratight’s most experienced engineers, Mark Fisher and Bob Till, who have been in senior industry roles for a combined 65 years, were embedded in the offshore installation team.

“This was an exciting project to be part of due to strict safety and environmental expectations in place,” explains Fisher. “These included working closely with a DNV inspector who flew in from Singapore to witness all aspects of the upgrade. It also meant an independent critique of our manufacturing procedures.”

“The component parts were of extremely high specifications and we had strict rules on forging and manufacturing. These included the use of a compliant biodegradable mineral hydraulic fluid used for activating the tensioners and flushing and cleansing all tooling. We ensured no other unassessed hydraulic fluid was used.”

A representative from Quadrant Energy oversaw the factory acceptance test of the completed connector in the UK, before witnessing a second test and diver training on arrival in Australia.

Bespoke features were included on the engineered product. These included corrosion resistant alloy cladding, composite graphite seals, Hydratight’s ball and taper technology and also the company’s subsea tensioning equipment.

Fisher adds, “We were pleased to be able to provide face-to-face technical support to Quadrant prior to and during this challenging international project.”

Tags: Hydratight, John Brookes Joint Venture, Western Australia (WA)


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