Page 85: of Offshore Engineer Magazine (Aug/Sep 2014)

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Decommissioning

Conference. This includes drilling equip- ment, but also accom- modation and access facilities, which would need to be used. In addi- tion, if equipment is well maintained, it could also potentially be reused or sold on, further saving costs. Three years from

CoP there needs to be a “maintain and protect asset value” ethos, and identi? cation of waste streams as early as pos- sible, Andrew says. New regulator to take more interest

According to Bill

Cattanach, head of

Pilot secretariat, at the

Department of Energy and Climate Change, there also needs to better industry planning and

CNR International’s Murchison platform. collaboration. Changes

Photo from CNR International.

could be coming, via to place additional reservoir a new regulator for the North Sea, barriers, where required, prompted by Sir Ian’s Review. The new recover tubing, ASV and casing, regulator is likely to take more interest in where required, install interme- decommissioning, the cost of which the diate barrier and environmental UK tax payer pays 50-75%, through tax plug. reliefs for operators, Cattanach told the

Conductor recovery, averaging conference.

• 6.2 days per well, involving cut- According to Sir Ian’s review, most ting and recovery of the surface of the attention, to date, has been on casing string and 26in. and developing decommissioning processes, 30in. conductors. methods to estimate costs, and managing

Murchison has an 11X3 the build-up of current activity. “There wellbay layout, lending itself has been a lack of focus on macro-cost to simultaneous operations, reduction or innovation,” it says.

Keppel FELS/Seafox’s jackup P&A concept. Image from Keppel

A priority for the new regulator will

Aspden says, and many of the

O