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Thunder Horse PDQ - Wikipedia

Coordinates: 28°06′33″N 88°29′40″W / 28.1091°N 88.4944°W

From Wikipedia, the free encyclopedia

History
Thunder Horse semi-submersible platform, July 2005
Name	Thunder Horse PDQ
Owner	BP plc (75%) ExxonMobil (25%)
Operator	BP plc
Port of registry	United States
Builder	Daewoo Shipbuilding & Marine Engineering Okpo, South Korea
Cost	US$5 billion
Laid down	19 May 2003
Launched	2006
Completed	2005
In service	First oil June 2008
Identification	ABS class no.: 07113112 Call sign: WPXF501 MMSI number: 3660478
Status	Operational 28°06′33″N 88°29′40″W / 28.1091°N 88.4944°W / 28.1091; -88.4944
General characteristics
Class and type	ABS: A1, column stabilized unit, floating offshore installation (FOI)
Tonnage	59,500 tonnes (65,600 tons)
Displacement	130,000 tonnes (140,000 tons)
Length	136 m (446 ft)
Beam	112 m (367 ft)
Draught	30 m (98 ft)
Deck clearance	17.5 m (57 ft)
Installed power	90 MW
Capacity	Diesel fuel: 2,181.6 m³ (77,040 cu ft) Potable water: 2,926.1 m³ (103,330 cu ft) Lube oil: 549.5 m³ (19,410 cu ft) Ballast tank: 54,662.4 m³ (1,930,380 cu ft)
Crew	334
Notes	^[1]^[2]^[3]

Thunder Horse PDQ is a BP plc and ExxonMobil joint venture semi-submersible oil platform on location over the Mississippi Canyon Thunder Horse oil field (Block 778/822), in deepwater Gulf of Mexico, 150 miles (240 km) southeast of New Orleans, moored in waters of 1,840 metres (6,040 ft).^[4] The "PDQ" identifies the platform as being a Production and oil Drilling facility with crew Quarters.^[5]

Thunder Horse PDQ is the largest offshore installation of its kind in the world. The vessel's hull is of GVA design. The hull was built by Daewoo Shipbuilding & Marine Engineering (DSME) in Okpo, South Korea, then loaded aboard the heavy lift ship MV Blue Marlin and transported to Kiewit Offshore Services in Ingleside, Texas, where it was integrated with its topsides modules that were built in Morgan City, La.^[6] The 15,813 nautical miles (29,286 km; 18,197 mi) journey around the Cape of Good Hope took nine weeks (63 days), from 23 July to 23 September 2004.^[7]

Hurricane Dennis

Thunder Horse PDQ was evacuated with the approach of Hurricane Dennis in July 2005. After the hurricane passed, the platform fell into a 30 degree list and was in danger of foundering.^[8]^[9]^[10]

The platform was designed for a 100-year event, and inspection teams found no hull damage and no leaks through its hull. Rather, an incorrectly plumbed 6-inch length of pipe allowed water to flow freely among several ballast tanks that set forth a chain of events causing the platform to tip into the water.^[11]^[10] The platform was fully righted about a week after Dennis, delaying commercial production initially scheduled for late 2005.^[12] During repairs, it was discovered that the underwater manifold was severely cracked due to poorly welded pipes.

The platform took a nearly-direct hit six weeks later from Hurricane Katrina, but was undamaged.

References

^ "Thunder Horse Field Fact Sheet". BP. 12 August 2009. Retrieved 23 May 2010.
^ "Thunder Horse Field, Gulf of Mexico, USA". Offshore-Technology. 2010. Retrieved 22 May 2010.
^ "ABS Record: Thunder Horse". American Bureau of Shipping. 8 February 2010. Retrieved 28 May 2010.
^ "Thunder Horse Back on Course". Offshore-Technology. 1 March 2006. Retrieved 22 May 2010.
^ "GVA series-GVA 40000". GVA Consultants. Archived from the original on 22 October 2011. Retrieved 7 October 2012.
^ "Dockwise Delivers Thunder Horse PDQ to Corpus Christi". Rigzone. September 24, 2004. Retrieved 22 May 2010.
^ "Projects: Thunder Horse PDQ". Dockwise Ltd. 2010. Retrieved 23 May 2010.
^ Malcolm Moore (26 October 2005). "Human error felled Gulf rig, admits BP". The Telegraph. Retrieved 27 October 2010.
^ Sarah Lyall (12 July 2010). "In BP's Record, a History of Boldness and Costly Blunders". The New York Times. Retrieved 1 October 2010.
^ ^a ^b David Greising (28 May 2007). "Troubles Run Deep on Gulf Oil Platform". RedOrbit. Retrieved 23 May 2010.
^ "GVA 4000 Thunderhorse". GVA Consultants. 2010. Archived from the original on 26 February 2012. Retrieved 22 May 2010.
^ Benoit Faucon (26 July 2005). "BP CEO: Thunder Horse 2005 Start 'Unlikely'". Rigzone. Retrieved 8 October 2014.

External links

Media related to IMO 8765199 at Wikimedia Commons
Thunder Horse Project images, maps and diagrams Archived 2018-06-12 at the Wayback Machine at SubSeaIQ
Thunder Horse & Blue Marlin on YouTube
Thunder Horse BP's deepwater drilling platform

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