INPEX Concludes Exploratory Offshore Drilling in Japan

INPEX Concludes Exploratory Offshore Drilling in Japan

INPEX Corporation (INPEX) announced that the drilling operations on an exploratory well offshore Shimane and Yamaguchi prefectures that began on June 5, 2016 were concluded on October 26, 2016.

The operations consisted of drilling to a depth of 2,900m below the sea floor at a location approximately 130km northwest of Shimane Prefecture and approximately 140km north of Yamaguchi Prefecture where the water is approximately 210m deep, as part of a project commissioned by the Agency of Natural Resources and Energy of the Ministry of Economy, Trade and Industry (METI) of Japan for the agency’s “Heisei 26~28 Domestic Offshore Drilling Program in Japan” and with the understanding and cooperation of the local communities.

The drilling operations resulted in the findings of a thin gas reservoir in a shallow zone as well as some gas indications in deeper zones. INPEX also encountered unexpected, strong gas indications suggesting the presence of a high pressure gas column in the deepest zone.

Based on the findings of a gas reservoir in the shallow zone and gas indications in the deeper and deepest zones in this area, which has not been drilled since the 1980s, INPEX will conduct a detailed analysis and evaluation of data obtained through the drilling Semi-submersible drilling rig “M.G. Hulme Jr.” operations in order to continue the exploration of prospects in this area.


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