Woodside taps OneSubsea for Greater Enfield project

Offshore staff

HOUSTONOneSubsea, a Schlumberger company, has been awarded an engineering, procurement, and construction contract totaling around $300 million from Woodside Energy Ltd. OneSubsea will supply a subsea production system and a dual multiphase boosting system for the Greater Enfield project, offshore northwest Australia.

The scope of contract includes six horizontal SpoolTree subsea trees, six horizontal trees for the water injection system, six multiphase meters, a high-boost dual pump station with high-voltage motors, umbilical, topsides, subsea controls and distribution, intervention and workover control systems, landing string, and installation and commissioning services.

Woodside Energy and Mitsui E&P Australia sanctioned the Greater Enfield development last month. The project is targeting 69 MMboe from the Laverda Canyon, Norton over Laverda, and Cimatti oil accumulations, 60 km (37 mi) offshore Exmouth.

The development is planned to have six subsea production wells and six water injection wells. Production will be supported by subsea multiphase booster pumps in the Laverda area and gas lift in the Cimatti area. All will be produced via a 31-km (19-mi) subsea tieback to the FPSO Ngujima-Yin serving the Vincent oil field.

Last year, OneSubsea agreed to provide front-end engineering and design for the project. First oil is for the $1.9-billion project is targeted for mid-2019.


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