Pioneering Spirit to Remove Two Morecambe Bay Platforms

Thursday, January 7, 2021

Allseas' giant heavy lift vessel Pioneering Spirit will remove the DP3 and DP4 platforms in Morecambe Bay off the U.K. for independent oil and gas operator Spirit Energy.

The two normally unmanned installations used to produce gas as part of Spirit Energy’s complex of eight installations in Morecambe Bay. As the field has matured, the reserves the platforms previously tapped into have been produced by the larger, manned Central Morecambe platform nearby.

The 12 wells that were connected to the DP3 and DP4 platforms have been plugged and abandoned – using a slant rig to accommodate the angle at which the wells were drilled in the 1980s to access the gas reservoir below the seabed – and the platforms will soon be safe to be lifted and taken back to shore.


Related: A New Slant on Decommissioning


Final preparations for Spirit Energy’s DP3 and DP4 installations to be lifted from the East Irish Sea are underway, and the two 11,000-tonne platforms will be removed by Allseas’ 382-meter Pioneering Spirit.

Donald Martin, Project Manager at Spirit Energy, said, “After two years of preparing the DP3 and DP4 installations for removal, we’re now looking forward to one of the most significant milestones in the project with the removal of both platforms.

“Seeing the Pioneering Spirit in the East Irish Sea will be an impressive sight. Its capacity and single-lift methodology made it a good fit to safely execute this project.”

The DP3 and DP4 installations first produced gas in 1985 when the South Morecambe field came online. The area continues to produce enough gas to heat one million U.K. homes every day thanks to production from the Central Morecambe, North Morecambe, DP6 and DP8 platforms. All the gas produced in Morecambe Bay is transported by pipeline to the Barrow Gas Terminals, where it is processed before entering the National Transmission System.

Categories: Activity Europe Offshore Decommissioning Engineering

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