Hallin wins subsea project on Lima Platform

Hallin Marine, a Superior Energy Services company, secured a project off the northwest coast of Java for the installation of new control taps and a bypass for the main pipeline which supplies 60% of Jakarta’s gas requirements to the mainland. Hallin will be providing full saturation-diving services using equipment built into the Ullswater subsea operations vessel. The Ullswater will be equipped with a remotely operated submersible vehicle that will be used for underwater observation and process monitoring.

The Carlisle, which was recently mobilised for duty as a diving support vessel, will also be on site. The Carlisle has a Hallin-designed-and-built modular SAT system permanently mounted on deck. This is augmented by dynamic positioning class-2, 126-person accommodation and a four-point-mooring system. Hallin teams based on the two vessels will be removing the concrete coating on existing pipelines and performing pipeline integrity checks, spools installation, pre-commissioning assistance, installation of hot-taps at multiple locations and the fitting of underwater pipe-closure stopples.

“Hallin won the contract on the basis of its successful track record as an experienced offshore support service-provider and its knowledge in managing this type of project scope in the region”, comments John Payne, Hallin’s CEO. “Past Hallin operations have included riser installations in the Jangkar field, installation of rigid risers and flexible flowlines in the Belanak field and installation of subsea umbilicals in the Natuna gas field.”

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