Сharacteristics of the Bazhenov horizon from peripheral area based on geochemical study of the organic matter

E. Kozlova, M. Spasennykh, T. Bulatov, E. Leushina, N. Bogdanovich, A. Voropaev

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    Abstract

    This research is devoted to the study of organic matter (OM) from Bazhenov and Abalak sections of the well located in peripheral part of West Siberia. For the comprehensive characterization, we performed Rock-Eval pyrolysis of rocks, GC-MS analyses of bitumen and isotope ratio measurements for gases, bitumen and cores. The Abalak section cores contain less OM of poorer quality (type III or II-III kerogen). According to the obtained results, the Bazhenov section could be divided into lower and middle parts. A lower part of the Bazhenov section consists of altering layers with 0.5-1.6 m thickness differing in OM quality and quantity. Cores from layers enriched with OM are similar to the cores from the central region of West Siberian petroleum basin (the Bazhenov Formation). Layers with the lack of OM are presented in the Bazhenov Formation of investigated section. Such layers are potential reservoirs with relatively high production indexes. Most probably, the differences in quality of OM are caused by sedimentation conditions, that was confirmed by sulfur isotope ratio studies.

    Original languageEnglish
    Title of host publicationEAGE/SPE Workshop on Shale Science 2019 - Shale Sciences
    Subtitle of host publicationTheory and Practice
    PublisherEuropean Association of Geoscientists and Engineers, EAGE
    ISBN (Electronic)9789462822818
    DOIs
    Publication statusPublished - 2019
    EventEAGE/SPE Workshop on Shale Science 2019 - Shale Sciences: Theory and Practice - Moscow, Russian Federation
    Duration: 8 Apr 20199 Apr 2019

    Publication series

    NameEAGE/SPE Workshop on Shale Science 2019 - Shale Sciences: Theory and Practice

    Conference

    ConferenceEAGE/SPE Workshop on Shale Science 2019 - Shale Sciences: Theory and Practice
    Country/TerritoryRussian Federation
    CityMoscow
    Period8/04/199/04/19

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