In the early 1960s, Brewster-Bartle, an onshore drilling company, filed . In 1964, Don McMahon acquired Brewster-Bartle from its bank creditors and formed Diamond M Drilling Company, named after Diamond. .
In 1989, Diamond's predecessor bought 6 drilling rigs from the predecessor of Kaneb Management. Some of Kaneb's employees continued to work for Diamond after the transaction and then sued Diamond for personal inj.
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Development and production operations in the Arctic offshore as a result of exploration have been limited, with the exception of the Barents and Norwegian seas. In Alaska, exploration subsequent to the discovery of the Prudhoe Bay oilfield has focussed on the onshore and shallow coastal waters.SummaryExploration for petroleum in the Arctic is expensive and challenging both technically and logistically. In the. .
There are 19 geological making up the region. Some of these basins have experienced and , most notably the where oil was first produced in 1968 from .. .
Drilling in the peaked during the 1970s and 1980s, led by such companies as in the Sverdrup Basin of the Arctic Islands, and by and in the Beaufort S. .
In June 2007, a group of returned from a six-week voyage on a , the expedition called . They had travelled to the , an underwate. .
In the years post 2000, sedimentary basins offshore were believed by some geologists to have high potential for large oil discoveries. In a comprehensive study of the potential of Arctic basins published in 2008, the.
[pdf] Songa Offshore AS was founded in January 2005 with the purchase of the two semisubmersibles, Mata Redonda and La Muralla. Mata Redonda was renamed Songa Venus and La Muralla was renamed .
On August 15, 2017, announced it was acquiring Songa Offshore for US$1.2 billion in cash, and an enterprise value of approximately US$3.4 billion. The complete transfer of business to Transocean was done by Ja. .
Songa Offshore operates seven oil rigs. • Songa Dee• Songa Delta• Songa Trym• Songa Equinox (Cat D-1).
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