Under the subcontract, signed with PetroVietnam Technical Services Corporation (PTSC) Offshore Service Joint Stock Company, McDermott will provide transportation and installation services for the central processing platform jacket, topside float-over, wellhead platform, flexible pipelines, subsea power cables and auxiliary services.

The firm will carry out installation work at water depths of between 110m and 130m, with work planned to be performed from 2019 to 2021.

McDermott said it will use resources from Kuala Lumpur, Dubai and Houston for project management and engineering.

McDermott Asia Pacific senior vice president Ian Prescott said: “McDermott has a strong track record in executing offshore projects in Vietnam and in delivering solutions for PTSC.

“In the last two decades, we have provided engineering, procurement, construction and installation work for large, central processing platforms to pipeline installations in the region.

“This award enhances our position as a leading integrated oil and gas service provider in the region and reinforces that our experience and local knowledge will ensure project certainty with quality results.”

The Sao Vang and Dai Nguyet gas and condensate fields are located in Blocks 05-1b and 05-1c in the Nam Con Son Basin.

The blocks cover an area of approximately 1,570km² and lie in water depths of 120m.

Idemitsu Kosan is the operator of the            Sao Vang and Dai Nguyet gas and condensate fields with 35% stake while other partners include JX Nippon Oil & Gas Exploration with 35% interest and Teikoku Oil (Con Son) with 30% stake.

In 2016, Idemitsu Oil and Gas was awarded a contract to Aker Solutions to provide front end engineering design (FEED) work for the Sao Vang and Dai Nguyet developments.