|
The Songa Mercur is a semi-submersible drilling rig designed by Friede & Goldman, ex ''Shelf 10'' and ''La Muralla''. It is capable of drilling in water up to a depth of .〔(【引用サイトリンク】title=Songa Offshore lists in Oslo )〕 In May 2006, Songa Offshore signed a nine-month contract with Chevron to use the rig in Australia. A contract was later signed with Santos Ltd., which was originally nine months and was extended to a year and then a year and a half.〔 In 2013, the rig was contracted by Idemitsu Oil and Gas for drilling off Vietnam.〔 〕 In 2014, Songa Offshore sold the rig to Opus Offshore as a part of the deal creating Songa-Opus joint venture.〔 〕 ==See also== *Semi-submersible *Semi-submersible Platform *drilling platform 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Songa Mercur」の詳細全文を読む スポンサード リンク
|