Construction started in December 1998, the keel was laid on 21 March 2000, and the rig was delivered on 23 February 2001, after the acquisition of R&B Falcon by Transocean. ![]() History Construction and ownership ĭeepwater Horizon was built for R&B Falcon (which later became part of Transocean) by Hyundai Heavy Industries in Ulsan, South Korea. These decisions became a focus for investigations into the explosion on the rig that month. The OptiCem cement modelling system, used by Halliburton in April 2010, played a crucial part in cement slurry mix and support decisions. Īdvanced systems played a key role in the rig's operation, from pressure and drill monitoring technology, to automated shutoff systems and modelling systems for cementing. In 2002, the rig was upgraded with "e-drill", a drill monitoring system whereby technical personnel based in Houston, Texas, received real-time drilling data from the rig and transmitted maintenance and troubleshooting information. Its American Bureau of Shipping (ABS) class notations were "A1, Column Stabilized Drilling Unit, AMS, ACCU, DPS-3". In 2010 it was one of approximately 200 deepwater offshore rigs capable of drilling in waters deeper than 5,000 ft (1,500 m). The rig was 396 by 256 ft (121 by 78 m) and capable of operating in waters up to 8,000 feet (2,400 m) deep, to a maximum drill depth of 30,000 ft (9,100 m). ![]() ĭeepwater Horizon was the second semi-submersible rig constructed of a class of two, although Deepwater Nautilus, its predecessor, is not dynamically positioned. model type), deepwater, dynamically positioned, column-stabilized, semi-submersible mobile offshore drilling unit, designed to drill subsea wells for oil exploration and production using an 18.75 in (476 mm), 15,000 psi (100,000 kPa) blowout preventer, and a 21 in (530 mm) outside diameter marine riser. Design The Deepwater Nautilus, sister rig to the Deepwater Horizon, being transported aboard a heavy-lift ship This article is part of a series about theĭeepwater Horizon was a fifth-generation, RBS-8D design (i.e. In September 2009, the rig drilled the deepest oil well in history at a vertical depth of 35,050 ft (10,683 m) and measured depth of 35,055 ft (10,685 m) in the Tiber Oil Field at Keathley Canyon block 102, approximately 250 miles (400 km) southeast of Houston, in 4,132 feet (1,259 m) of water. īuilt in 2001 in South Korea by Hyundai Heavy Industries, the rig was commissioned by R&B Falcon (a later asset of Transocean), registered in Majuro, and leased to BP from 2001 until September 2013. The fire was inextinguishable and, two days later, on 22 April, the Horizon sank, leaving the well gushing at the seabed and causing the largest marine oil spill in history. On 20 April 2010, while drilling at the Macondo Prospect, a blowout caused an explosion on the rig that killed 11 crewmen and ignited a fireball visible from 40 miles (64 km) away. 6 × Wärtsilä 18V32 7.2 MW diesel enginesĨ × Kamewa 5.5 MW, 6.3 rad fixed-propeller azimuth thrustersĭeepwater Horizon was an ultra- deepwater, dynamically positioned, semi-submersible offshore drilling rig owned by Transocean and operated by BP. ![]() Sank on 22 April 2010 after an explosion and fire Banding together, the co-workers must use their wits to make it out alive amid all the chaos.Deepwater Horizon semi-submersible drilling rig. Chief electronics technician Mike Williams (Mark Wahlberg) and his colleagues find themselves fighting for survival as the heat and the flames become stifling and overwhelming. On April 20, 2010, the Deepwater Horizon drilling rig explodes in the Gulf of Mexico, igniting a massive fireball that kills several crew members.
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