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ExxonMobil Re-starts Drilling at UK North Sea Beryl Field

ExxonMobil logo Mobil North Sea Limited Liability Company, an ExxonMobil subsidiary, as operator, announces on behalf of itself and co-venturers (Hess Limited, Enterprise Oil Limited (Shell) and OMV (U.K.) Limited) that it will recommence drilling activities at the Beryl Field in the northern North Sea.

Detailed studies have identified additional drilling opportunities and the co-venturers have approved funding to recommence drilling. The initial drilling programme will involve three wells drilled from the Beryl Alpha platform. The new work is expected to increase the workforce by over 80 personnel and involve new capital investment of around $200 million.

The additional production from the new wells is expected to help offset the decline from existing production wells.

Commenting on the announcement, Lee Tillman, ExxonMobil North Sea Production manager, said: "The decision to recommence drilling has been taken after exhaustive geological, reservoir and drilling studies. The investment in this project reaffirms the Beryl partners' confidence in the future of the Beryl Field."

Work is ongoing to identify and mature opportunities to extend the drilling programme.

The Beryl area fields achieved total cumulative production of 1 billion barrels of oil and condensate in 2009, 33 years after production commenced.

Beryl Alpha Platform
The Beryl Alpha platform is a fixed gravity-based concrete structure comprising the main production platform, a bridge-linked riser access tower and flare tower. Connected pipelines come from subsea wells and the Beryl Bravo platform, and gas is exported via the SAGE pipeline. Crude is stored in the concrete structure and offloaded to shuttle tankers via single point moorings.

The Beryl field is located in the UK sector of the northern North Sea, approximately 335km north-east of Aberdeen at a water depth of 117.5m. Production began in 1976 with an estimated 25-year production period.

Ownership of the Beryl Field:
  • Mobil North Sea LLC (operator) - 50%
  • Hess Limited - 22.22%
  • Enterprise Oil Limited (a subsidiary of Royal Dutch Shell plc) - 22.78%
  • OMV (U.K.) Limited - 5%
Published 08/09/09

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