Assessment of Mesozoic-Kainozoic climate impact on oil-source rock potential (West Siberia)

19th International Scientific Symposium in honor of Academician M.A. Usov "Problems of Geology and Subsurface Development"

Iskorkina, A.A.^1 ; Isaev, V.I.^1 ; Terre, D.A.^2

Department of Geophysics, Institute of Natural Resources, National Research Tomsk Polytechnic University, 30 Lenin Ave., Tomsk

634050, Russia^1

Department of Foreign Languages, Institute of Natural Resources, National Research Tomsk Polytechnic University, 30 Lenin Ave., Tomsk

634050, Russia^2

关键词: Climate impacts;    Geothermal history;    Hydrocarbon in places;    Paleotemperatures;    Phase history;    Rock thickness;    Source rocks;    West Siberia;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/27/1/012023/pdf
DOI  :  10.1088/1755-1315/27/1/012023

来源: IOP

【 摘 要 】

Based on paleotemperature modeling, the evaluation of the effect of Neo-Pleistocene permafrost rock thickness on geothermal regime of the Bazhenov deposits has been performed. It has been stated that permafrost about 300 m in thickness must be considered for appropriate reconstruction of geothermal history of source rocks in the south-east areas of West Siberia. This condition is relevant to a consistent consideration of oil-generation phase history and can prevent underestimation (to 25%) of hydrocarbon-in-place resources.