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Okoro Oilfield : ウィキペディア英語版 | Okoro Oilfield
Okoro Oilfield is an oilfield located offshore Nigeria in an average water depth of in the eastern Niger Delta. The field is located in OML 112 block (formerly OPL 469). The Okoro Oilfield is operated by Afren who has 50% working interest and its local partner Amni has 50% interest also. ==History== Okoro was discovered in 1973 by Japan Petroleum with the drilling of Okoro-1 well. The well penetrated the two oil bearing sands between 4,900 and in the Agbada Formation and was logged and tested. One of oil zone flowed and 1,000 BW and well was deemed commercial discovery. Okoro-2 follow up appraisal well was drilled in Nov 1974 by Japan Petroleum at the eastern extension of the field but it was water wet. Okoro-2 appraisal well confirmed the presence of both reservoir sands. The field is covered by good quality 3D seismic data which was acquired by Mobil Corporation. Amni International Petroleum Development Company Limited (AMNI) was originally granted oil prospecting licence (OPL) 469 on a sole risk basis on the 24 August 1993 for a term of 5 years by Nigeria's Ministry of Petroleum and Mineral Resources as part of the Nigerian Government indigenous licensing programme. As a result of the successful implementation of its work programme, OPL 469 was converted to Oil Mining Lease (OML) 112 for a term of 25 years in 1998. OML 112 covers approximately an area of . Amni entered into Agreements with Total S.A. through its subsidiary TOTAL E&P Nigeria Limited (formerly Elf Petroleum Nigeria Limited) in 2005, under which Total acquired a 40% interest in OML 112. TOTAL relinquished both its right to participate in and any future right of re-entry into the development of Okoro/ Setu Fields (Setu and Ima are other fields located in OML 112), allowing Amni, in March 2006, to enter into agreements with Afren Energy Resources, a wholly owned subsidiary of Afren Plc, for the Okoro/Setu (exclusive area) fields development.
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「Okoro Oilfield」の詳細全文を読む
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