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Quad 204 Project - re-development of Schiehallion and Loyal fields

The Quad 204 project is an ambitious project and involves a major re-development of the Schiehallion and Loyal oil fields to the west of the Shetland Islands. The investment of circa £3 billion in the re-development of the fields will take production out to 2035 and possibly beyond.

The project involves construction of a new floating, production, storage and offloading (FPSO) unit toreplace the Schiehallion FPSO at the West of Shetland Islands. The new FPSO, called Glen Lyon, will be 270 metres long by 52 metres wide and able to process and export up to 130,000 barrels per day of oil and store in excess of 1 million barrels.

There will also be a major investment in upgrading and replacement of the existing subsea system with 15 new and replacement flow lines and 21 new and replacement risers. With the addition of 14 new wells to the 52 existing ones, one could argue that it’s a big job!

Although the field has been in operation since 1998, recent appraisals show that the field holds more reserves than originally anticipated and this redevelopment will give BP and their partners the ability to reach them. The FPSO and its subsea structures will be installed in modules with production to commence in 2016.

LARSoffshore is involved with umbilical installation for the Quad 204 project.
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