THE PROBLEM A contractor of a North Sea operator contacted Claxton to devise a plug and abandonment solution for a subsea well on a field located in the northern North Sea in the East Shetland Basin on the UK Continental Shelf. The requirement was for circulation and recovery of drilling fluid from the wellbore (Cat 2.1) and 9.5/8” x 13.3/8” annulus and placement of a 100ft environmental cement barrier. Claxton was contracted to provide the full back deck service (SWATTM suspended well abandonment tool, perforation and cementation) for the first time direct to the vessel operator. THE SOLUTION Proven across over 120 North Sea wells, Claxton’s suspended well abandonment tool, SWATTM, was immediately earmarked for the job. The tool can rapidly perforate, circulate and place the req

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