TGS completes major seismic surveys in Atlantic regions

Offshore | November 2, 2018

ASKER, Norway – TGS has issued updates on its offshore seismic acquisition programs.

In 3Q 2018, TGS had six 3D seismic vessels (three operated under joint venture agreements) and one coring vessel in operation.

In September, the company completed acquisition of the 45,500-sq km (17,568-sq mi) Atlantic Margin 3D survey in the central-southern Norwegian Sea using vessels from Polarcus and Shearwater.

The project is the single largest 3D survey carried out by any company in northern Europe, the company claims, and covers largely open blocks in a relatively under-explored area with limited drilling to date. Fasttrack data from the 2017 season is already on offer with the final dataset being available in 2019.

TGS used the same Polarcus vessels to acquire data in the UK west of Shetlands during 2Q.

The Erlend Wild West 18 is a 3D multi-client project covering 1,900 sq km (734-sq mi) that ties into the company’s existing EW12 survey. It is designed to deliver high fidelity imaging of the subsurface in newly awarded acreage from the UK’s 30th Offshore Licensing Round, an area that includes several high potential prospects.

Acquisition of Nansen 3D, a joint venture survey with PGS, covering 4,200 sq km (1,622 sq mi) in an active APA area of the Hammerfest basin in the Barents Sea was completed in September. The project is designed to improve the imaging of the known fields and discoveries, allowing identification and development of new targets in both mature and new plays.

Throughout 3Q 2018, TGS continued its acquisition season offshore eastern Canada, in collaboration with PGS. The joint venture completed the 8,000-sq km (3,089-sq mi) Tablelands 3D survey before moving on to the 3,400-sq km (1,312-sq mi) Lewis Hills 3D survey.

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