Oil & Gas News

Subsea Integration Alliance Awarded Major Contract Offshore Senegal

Subsea 7 has been awarded a very large(1) contract by Woodside(2) to Subsea Integration Alliance(3) for the Sangomar Field Development Phase-1 project located in the Sangomar Offshore and Sangomar Offshore Deep oil blocks, offshore Senegal. This contract was initially awarded in December 2018 subject to final investment decision, which has now occurred.

The project work scope covers the engineering, procurement, construction, transportation and installation of the SURF system and associated subsea production systems (SPS). The development will include 23 wells, 107 km of rigid flowlines, 28 km of flexible risers and jumpers, and 45 km of umbillcals in water depths between 700 meters and 1400 meters. Offshore activities will take place from 2021 to 2023 using Subsea 7’s reel-lay, flex-lay and light construction vessels.

The Subsea Integration Alliance team established during the Front End Engineering Design (FEED) phase will now transition into the full EPIC phase based at Subsea 7 Global Projects Centre (GPC) in Sutton, UK. SURF engineering will be performed by Subsea 7 GPC centers in Sutton and Suresnes, France. A base in Senegal will support the offshore campaign and conduct site receipt testing and equipment storage.

Gilles Lafaye, Subsea 7’s Vice President Africa Region, said: “We are delighted to expand our operations to Senegal adding to our network of local presences in West Africa. Subsea 7 brings decades of experience in working safely and reliably in the region as well as bringing global engineering and execution capabilities to support Senegal as it increases energy production.” Stuart Fitzgerald, Deputy CEO of Subsea Integration Alliance LLC said: “Subsea 7 and OneSubsea, through our Subsea Integration Alliance, have been working closely with Woodside since before the FEED award. This award reflects our successful experience of previous projects delivered by the Alliance and a strong relationship built over many years with Woodside.”

(1) Subsea 7 defines a very large contract as being between USD 500 million and USD 750 million. This value range refers to Subsea 7’s share of the consortium contract and will be included in Subsea 7’s order intake for the first quarter 2020.

(2) Woodside is Operator of the Rufisque Offshore, Sangomar Offshore and Sangomar Deep Offshore (RSSD) joint venture comprising Capricorn Senegal Limited (a subsidiary of Cairn Energy PLC), Woodside Energy (Senegal) B.V., FAR Ltd and Petrosen (the Senegal National Oil Company).

(3) Subsea Integration Alliance is a non-incorporated strategic global alliance between Subsea 7 and OneSubsea®, the subsea technologies, production and processing systems division of Schlumberger, bringing together field development planning, project delivery and total lifecycle solutions under an extensive technology and services portfolio. As one team, Subsea Integration Alliance amplifies subsea performance by helping customers to define, select, install and operate the smartest subsea projects, that eliminate costly revisions, delays and reduces risk across the life of field.

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