Deepwater Horizon was a fifth-generation, RBS-8D design (i.e. model type), deepwater, , column-stabilized, semi-submersible , designed to drill wells for oil explorati. .
Deepwater Horizon was built for R&B Falcon (which later became part of ) by in , South Korea. Construction started in December 1998, the was laid on 21 March 200. .
At 7:45 p.m. on 20 April 2010, during the final phases of drilling the exploratory well off the gulf of Mexico, a geyser of seawater erupted from the onto the rig, shooting 70 metres (230 ft) into the air. This wa. .
Transocean received an early partial insurance settlement for total loss of the Deepwater Horizon of US$401 million about 5 May 2010. noted that the insurance recovery was likely to be more than t.
[pdf] Transocean (RIG) is making headlines with its strategic decision to divest five drilling rigs, such as the Discoverer Clear Leader and Discoverer Americas. This move is poised to result in an estimated $1.9 billion impairment charge for Q3.
[pdf] Transocean Marianas was an Earl & Wright Sedco 700 design semi-submersible platform drilling unit capable of operating in harsh environments and water depths up to 7,000 feet (2,100 m) using a 47.6 cm (18.75 in), 15,000 psi blowout preventer (BOP), and a 53 cm (21 in) outside diameter (OD) marine riser. Transocean Marianas has operated under several names: Tharos from 1979 t. Piper Alpha incidentIn 1988, as Tharos, the vessel operated by Occidental Consortium as a large , construction, diving. .
In September 2017 Transocean announced that Transocean Marianas, along with five other laid up rigs, would be retired and disposed of for recycling. .
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