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2005 BP Thunderhorse

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In May 2000, BP contracted Mustang Engineering to provide preliminary front-end engineering and design services for the production drilling quarters (PDQ) semi-submersible platform. Thunder Horse PDQ is one of the world’s biggest moored, steel production semi-submersibles ever built. The platform’s topside area is as big as three football fields. It is packed with equipment and systems capable of processing and exporting a quarter of a million barrels of oil per day. The PDQ weighs more than 50,000 t and produces from some of the deepest wells in the Gulf. The semi-submersible has a displacement of 130,000 t.
The facility is designed to process 250,000 b/d of oil and 200 Mmcf/d of gas.
The Thunder Horse field was originally planned to commence production in 2005. However, its production platform was severely disrupted by Hurricane Dennis in the Gulf of Mexico on July 2005.
Following a failure during pre-commissioning checks, components in the subsea system needed to be repaired and replaced. The equipment remained in a cold state since the 2005 hurricane and could not perform the intended high-pressure and high-temperature service.
The floating platform was rescheduled for oil and gas production in 2008.