Nonproducing Carboniferous may have potential in Qaidam basin, NW China

Chenglin Liu Gang Zhou China University of Petroleum Beijing Yinsheng Ma Institute of Geomechanics Beijing The Qaidam basin is one of three main oil and gas basins in Northwestern China, but its Carboniferous, formerly thought as a part of the metamorphic base of the basin, is a frontier formation without any oil and gas reserves or production. A large number of geological surveys have indicated most Carboniferous rocks to be sedimentary rocks with medium thermal evolution and hydrocarbon generation potential. More than 10 oil sands (bitumen deposits) were firstly discovered in Carboniferous outcrops in 2008-10. Geochemical evidence shows that these oil sands originate from Carboniferous...

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