Statoil shut down production on the Troll C platform in the Norwegian sector of the North Sea on 17 August after an inspection program on the platform detected corrosion damage to a pipe connected to the oil export system.
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| Troll C. Image from Statoil - Øyvind Hagen. |
The shut down is expected to last about a week to be able to replace the corroded pipe.
Troll C has a daily equity production of approximately 58,000bbl and exports 8MMcm of gas. In addition, an additional 34,000bbl and 2MMcm of gas are transported from the Fram field through the Troll C platform.
The Troll field lies in the northern part of the North Sea, approximately 65km west of Kollsnes, near Bergen, and is one of the largest oil fields on the Norwegian continental shelf (NCS).
The field contains both the main Troll East and Troll West structures in blocks 31/2, 31/3, 31/5 and 31/6. Troll contains approximately 40% of total gas reserves on the NCS.
Troll's gas reservoirs, which are 1400m below sea level, are expected to produce for at least 70 more years.
Statoil operates the Troll A, B and C platforms and the landfall pipelines. Statoil holds a 30.58% interest in Troll with partners Petoro (56%), Norske Shell (8.1%), Total E&P Norge (3.69%), and ConocoPhillips Skandinavia (1.62%).
Troll C was shut down in November 2012 after corrosion was found in the auxiliary system for gas treatment.
Also in the NCS, Statoil officially opened the Gudrun platform just this week; one of the many new NCS field developments the company plans to install. The recoverable reserves on Gudron are estimated at 184MMboe.
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