Khadum formation of Pre-Caucasus region as potential source of oil shales: Geology and geochemistry

Nurdin Sh Yandarbiev, Nataliya P. Fadeeva, Elena V. Kozlova, Yurii V. Naumchev

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    9 Citations (Scopus)

    Abstract

    One of the main modern aim for oil industry is the development of hydrocarbon extraction technologies from «oil shale». In Russia there are kerogen-saturated carbonate-clayey-siliceous deposits of the Bazhenov Formation, carbonate rocks of the Volga-Ural and Timan-Pechora oil and gas bearing basins and clayey Maikop series of Pre-Caucasus region. The Khadum Formation is lower part of the Maikop series represented by carbonate-clay and clayey deposits. On the basis of long-term field and laboratory investigation conducted by specialists of the Oil and Gas Department from Geological Faculty of the Lomonosov Moscow State University. a comprehensive study of the lithological composition, structure, geochemical, hydrogeological and hydrodynamic characteristics of the Paleogene section and monitoring of the drilled wells, the prospects of the oil and gas potential of the Khadum deposits of the Oligocene in the Eastern Pre-Caucasus oil and gas bearing basin were estimated. 11 gas and 19 oil deposits are discovered within the Khadum deposits, and they are confined to the sand layers and lenses, but most of the Khadum section belongs to «unconventional» sources of hydrocarbons. Based on the integrated approach, a map of oil and gas potential prospects for the Khadum deposits was constructed. Highly prospective territories for drilling for oil, areas with small and medium perspectives, and gas prospecting areas have been singled out. Recommendations are given for drilling and technology for the development of the Pre-Caucasus oil shales, based on the world experience in the development of such formations.

    Original languageEnglish
    Pages (from-to)208-226
    Number of pages19
    JournalGeoresursy
    Volume19
    Issue numberSpecial Issue
    DOIs
    Publication statusPublished - 2017

    Keywords

    • Abnormally high reservoir pressures
    • Hydrocarbons
    • Khadum formation
    • Maikop series
    • Oil shale

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