This platform will also shut down production for a short period in the course of May, when the process module is lifted on board by the semisubmersible crane vessel Saipem 7000.
" This is the most extensive maintenance shutdown we have had on Troll C for many years. Stopping production for 14 days is unusual for us, but this time we've a lot of completion work in connection with our preparations for the operation of Fram Vest in the autumn. In addition, we are going to inspect three separators, and carry out several modifications to improve our production process," says Roger Fauskanger. He is Troll C maintenance manager and coordinates the work to be done during the maintenance shutdown.
New metering and environmental equipment, aimed at further reducing hydrocarbon discharges, will also be installed on Troll C.
On Oseberg C more extensive work, than is usual for maintenance purposes, is also imminent. A new gas module, with a process capacity of 3.5 million cubic meters per day, will be installed here. The module, roughly 20 meters high and weighing 650 tons, will increase gas treatment capacity and boost oil recovery. This large module will also be lifted on board by Saipem 7000.
More routine maintenance work will be carried out on the other platforms during the shutdowns. Typical for several of the installations will be the inspection of pressure tanks, separators, valves and pipelines, as well as any necessary repair work and adjustments.
The table below schedules the planned maintenance shutdowns on the Hydro operated installations during summer 2003:
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