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This work is investigation of the group composition of the bitumoids of Domanic shale deposits (Romashkino oilfield in the Volga-Ural petroleum and gas Basin). The samples were taken from different depths for this well. X-ray diffraction analysis revealed that the productive deposits are carbonate reservoirs consist of 92 wt% calcite. The extracted kerogen is of type II according to the Van Crevelin diagram, based on the ratio (H / C) and (O / C). It was found that the objects of the study differ in the mass conte...

The work is devoted to the West Siberian sedimentary basin Bazhenov formation (or Bazhenov shale) ? a unique oil-generating and oil-bearing geological formation. Bazhenov shale is an analog of the known shale oil deposits: Bakken, Eagle Ford and Monterrey (USA). Geological and geophysical exploration of bazhenites is an important problem today, which is connected with development of new methods and technologies of unconventional oil and gas reservoirs exploitation. The work is devoted to physical and chemical prop...