Rising to the challenge: Delivering UKCS’ largest riser system for BP’s Schiehallion field ///

Situated 175 km to the west of Shetland, Scotland, BP-operated Schiehallion field has been one of the biggest success stories for the UK Continental Shelf (UKCS). Discovered in 1993, the field is estimated to hold more than 2 Bbbl of oil. First oil was produced in 1998. In 2011, BP took the decision to extend the life of this reservoir through the Quad 204 development project. This reconditioning of the field will see the existing FPSO replaced, subsea infrastructure renewed, and 12 more wells drilled to increase the total number from 52 to 64. The aim of the project is to extend the field life to 2036 or beyond, and to see it produce an additional 400 MMbbl. Technip in the UK has been tasked to support BP with the recovery and replacement of the field’s subsea system and the hook-up to the new, purpose-built FPSO, Glen Lyon, Fig. 1.

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