Claxton Wins Southern North Sea Decom Work

Claxton has been awarded a contract to riglessly casing cut and recover a total of seven wells in the Southern North Sea across two of the operator’s, normally unmanned, platforms, along with an additional subsea suspended well at one of the locations.

Work is scheduled to begin in July at the first location, located around 180km off the Yorkshire coast, with work on the second platform, in the Dowsing Fault Zone of the Sothern North Sea, starting shortly afterwards; the combined project completion is estimated at just under 100 days.

The first NUI scope of work includes the removal of christmas trees in preparation for the removal of the production tubing, wellhead preparation in readiness to also undertake the sub-mudline multi conductor/ casing cutting and recovery, and severance and conductor recovery of the suspended subsea well. Due to limited deck space, work will be conducted as a combined operation using a jack up lift barge ‘JULB’ and without the use of a drilling rig.

The scope of work on the second platform includes christmas tree and tubing removal, supply of blowout preventer (BoP) equipment, and the use of coiled tubing for cement squeezing operations. Tubing and conductor severance and recovery will be performed using Claxton’s own SABRETM abrasive cutting system – 10ft below seabed.

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