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MCP-01
The Manifold Compression Platform MCP-01 sits in 94m of water, 173km north-east of Aberdeen. The platform, installed in 1977, has a concrete gravity structure design weighing over 386,000 tonnes which was built in Sweden by Doris Engineering.
The original purpose of the platform was to act as a compression and interconnection platform for the pipelines, previously known as the Frigg Transportation System (FTS), consisting of the 32” Frigg UK line and the 32” Frigg Norwegian line (known today as the Vesterled pipeline) transporting gas from the Frigg reservoir to the St Fergus Gas Terminal in Scotland.
Compression facility was installed in 1982 on MCP-01 for the Frigg Norwegian pipeline operations, but was taken out of service in 1987.
In 1987 gas from the Alwyn North platform started to flow in the Frigg UK pipeline using the platform TP1 at Frigg as an entry point. The fields Tartan, Piper B, Claymore, MacCulloch, Ivanhoe, Rob Roy and Galley fields used MCP-01 as a riser platform for sending gas to the St Fergus Gas Terminal through the 18” Talisman spurline attached to the platform external wall.
In 1992, MCP-01 was re-configured to allow it to be operated as a “not-normally-manned” platform controlled from the St Fergus Gas Terminal. Security cameras onboard monitored the platform 24 hours a day. To improve safety and reduce maintenance, the operational equipment used on the platform was kept to a minimum and, if required, the platform could be shut down by the nearby Tartan platform.
Gas from the Heimdal platform in the Norwegian sector started to flow in the Vesterled pipeline in 2001 after connecting the 32” pipeline from Heimdal to the original Frigg Norwegian pipeline.
The pipelines entering/leaving MCP-01 were bypassed during 2004 and 2005 to allow MCP-01 to be decommissioned.
The decommissioning process for the MCP-01 platform is currently underway.
