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 mi southeast of New Orleans, moored in waters of 1840 m.[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.