Problem of quality of petrothermophysical and geothermal input data for basin and petroleum system modeling

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    Abstract

    Basin and petroleum system modeling requires reliable input data on the formation thermal properties and heat flow. It was established from analysis that previous traditional experimental methods and theoretical models could not provide satisfactory quality of the thermal property data for sedimentary rocks. This is a reason that the input thermal property data recommended in basin simulators have essential uncertainties and errors (up to 50-80%). Additionally, it was established from geothermal experiments in deep scientific drilling programs that previous estimates of heat flow from the measurements in shallow wells have given heat flow by 40-130% lower compared to terrestrial heat flow inferred from recent geothermal experiments in super-deep and deep scientific wells. Sensitivity study analysis for a basin model of a section of the West Siberia platform, when the basin modeling results obtained with the default data and vast experimental data on thermal properties and heat flow were compared, demonstrated very serious errors in the basin modeling results caused by default data application. The new experimental technique for high precision measurements of the rock thermal properties on cores and a new approach to heat flow determination accounting for its vertical variations are suggested to improve the basin modeling reliability essentially.

    Original languageEnglish
    Title of host publicationGeomodel 2015 - 17th Scientific-Practical Conference on Oil and Gas Geological Exploration and Development
    PublisherEuropean Association of Geoscientists and Engineers, EAGE
    Pages503-507
    Number of pages5
    ISBN (Electronic)9781510814134
    Publication statusPublished - 2015
    Event17th Scientific-Practical Conference on Oil and Gas Geological Exploration and Development, Geomodel 2015 - Gelendzhik, Russian Federation
    Duration: 7 Sep 201510 Sep 2015

    Publication series

    NameGeomodel 2015 - 17th Scientific-Practical Conference on Oil and Gas Geological Exploration and Development

    Conference

    Conference17th Scientific-Practical Conference on Oil and Gas Geological Exploration and Development, Geomodel 2015
    Country/TerritoryRussian Federation
    CityGelendzhik
    Period7/09/1510/09/15

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