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-The Gryphon Floating Production Storage and Offloading (FPSO) vessel is stable, all wells have been closed in and no oil spill has been seen.
-Work is continuing to secure the FPSO permanently, assess the damage done and plan for future repairs.
-The FPSO was shut down last Friday morning in heavy storms during which four of ten anchor chains broke, allowing the vessel to move off its position.
-All wells were immediately closed in and subsequent surveys from planes, vessels and remotely operated vehicles under the water confirm no oil was sighted.
-Seventy four non-essential staff were evacuated to a nearby platform and 43 essential crew members are currently on board. Two crew members received minor injuries. The FPSO was stabilised within minutes of its moving off position.
-The FPSO vessel is stationed above the Gryphon, Maclure and Tullich oil and gas fields. A complex piping system runs from wells on the seabed up to the FPSO.
-Gross average daily production was projected to be 18,400 barrels of oil a day in 2011. Maersk Oil's share of this production would have been 14,500 barrels of oil a day.
-Technical teams have attached two tugboats to secure the vessel and allow anchor chains to be reconnected to the anchors. Assessments are being made of the damage to the FPSO and the piping system connecting the wells to the FPSO.
-A separate investigation team is identifying the exact sequence of events, which lasted for around ten minutes, and its causes.
The Gryphon FPSO is located 175 miles north east of Aberdeen. The vessel is 260 metres long and 41 metres wide. It is capable of storing 540,000 barrels of oil. The water depth around its position is 112 metres.