D1–D4 are divers T1 and T2 are dive tenders. The decompression chamber as seen from above at the moment the accident occurred. They were assisted by two dive tenders, William Crammond (British, 32) and Martin Saunders. Lucas (British, 38), Bjørn Giæver Bergersen (Norwegian, 29) and Truls Hellevik (Norwegian, 34). The divers were Edwin Arthur Coward (British, 35 years old), Roy P. On Saturday, 5 November 1983, at 4:00 a.m., while drilling in the Frigg gas field in the Norwegian sector of the North Sea, four divers were in a diving chamber system on the rig's deck that was connected by a trunk (a short passage) to a diving bell. All crew were evacuated, but six people died when they fell out of their boats. On March 1, 1976, the rig ran aground during transit from a block in the North Sea to Bergen. Hydril 476 mm (18.7 in), 10,000 kPa (1,500 psi)Īccidents and incidents Deep Sea Driller accident Byford Dolphin was able to maneuver with its own engines (to counter drift and ocean currents), but for long-distance relocation, it must be moved by specialist tugboats. As a drilling rig, Byford Dolphin was equipped with advanced drilling equipment and originally met strict levels of certification under Norwegian law, though in later years, banned from Norwegian waters. It had a maximum drilling depth of 6,100 metres (20,000 ft), and it could operate at a water depth of 460 metres (1,500 ft). īyford Dolphin had an overall length of 108.2 metres (355 ft), breadth of 67.4 metres (221 ft) and depth of 36.6 metres (120 ft). Description īuilt as Deep Sea Driller, it was the first-of-class in the highly successful Aker H-3 series, designed by Aker Group completed at the Aker Verdal shipyard in 1974. The rig suffered some serious accidents, most notably an explosive decompression in 1983 that killed four divers and one dive tender, as well as badly injured another dive tender. It was registered in Hamilton, Bermuda until scrapped in 2019. It drilled seasonally for various companies in the British, Danish, and Norwegian sectors of the North Sea. DIY subreddit - Look at awesome work by other Do It Yourself-ers.Byford Dolphin was a semi-submersible, column-stabilised drilling rig operated by Dolphin Drilling, a Fred Olsen Energy subsidiary.Home Improvement Subreddit - Gain inspiration, join the ongoing discussions.
SHOULD I DRILL HOLES IN MY CHRISTMAS TREE CODE
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