Russia: Rosneft-Statoil start Sea of Okhotsk surveys

OAO Rosneft and Statoil ASA have begun shooting geophysical surveys on three blocks in the Sea of Okhotsk offshore the Russian Far East.

OJSC RN Shelf Far East, a Rosneft subsidiary, is using the Academik Fersman research vessel to collect 2D seismic and shipborne gravity and magnetic surveys. Planned scope is 5,300 line-km on the Lisyansky block, 2,000 line-km on the Kashevarovsky block, and 2,700 line-km on the Magadan-1 block.

Environmental and fishery research are to be carried out on all three blocks in 2013 by LLC Environmental Co. of Sakhalin, a contractor. Another planned environmental protection measure is a study of the subsea wellhead of the Khmitevskaya-2 well drilled on the Magadan-1 block in the 1990s.

Rosneft obtained licenses for geological study and hydrocarbon production on the three blocks in late 2011. Rosneft and DeGolyer & MacNaughton judge the total prospective recoverable resource on the blocks at 1,741 million tonnes of oil equivalent.

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