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Libra oil field is a large ultra-deepwater oil prospect located in the Santos Basin, about off the coast of Rio de Janeiro, Brazil, north of Tupi field. Libra is in the process of being tested and may turn out to be the largest pre-salt find in the basin, ahead of the Tupi oil field, making the largest find since Cantarell Field in 1976. National Agency of Petroleum (ANP) officials are confident Libra will contain even more recoverable oil than Franco oil field.〔 ==History== The field was discovered in May 2010 at the same time as the Franco prospect. Libra is located from Franco and is being drilled by Petrobras contracted by the ANP.〔 Officials confirmed that Franco and Libra are not linked to the nearby Iara field.〔 On 14 July 2010, the first exploration well collapsed when it reached an underwater salt bed.〔 〕 A second layer of hydrocarbons was found in late December 2010. Eleven companies including CNOOC, CNPC, Ecopetrol, Mitsui, ONGC Videsh (OVL), Petrogal, Petrobras, Petronas, Repsol-Sinopec, Shell and Total were approved by ANP to participate in the Libra auction.〔http://www.1derrick.com/anp-approves-all-eleven-applications-to-participate-in-libra-auction/10747/〕 Of these, only nine paid financial guarantees to ANP. Production rights were awarded 21 October 2013 to a consortium led by Petrobras, including France's Total SA and Anglo-Dutch Royal Dutch Shell Plc, who each took 20 percent of the partnership, while China National Petroleum Corp and China's CNOOC took 10 percent each. Petrobras has a 40% interest.〔( Joe Blount and Sobrina Lorenzi, "Petrobras-led group wins Brazil oil auction with minimum bid", Reuters (10/21/2013). )〕 Major investments are expected to be made in 2018–2019, but the firms will work to start production as soon as possible. Pre-Sal Petroleo SA, or PPSA, a Brazilian government-run firm, will manage development of the country's recently discovered deep-water oil fields. It named Oswaldo Pedrosa as manager of the company on 14 October 2013.〔( "France's Total: 'Heavy' Investments at Libra to Start in 2018-19", Dow Jones (21 October 2013). )〕 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「Libra oil field」の詳細全文を読む スポンサード リンク
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