Advanced determination of heat flow density on an example of a west russian oil field

Yury Popov, Mikhail Spasennykh, Anuar Shakirov, Evgeny Chekhonin, Raisa Romushkevich, Egor Savelev, Anastasia Gabova, Dzhulia Zagranovskaya, Rim Valiullin, Rashid Yuarullin, Inessa Golovanova, Raushaniya Sal’manova

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1 Citation (Scopus)


Reliable geothermal data are required for basin and petroleum system modeling. The essential shortcomings of the methods and results of previous geothermal investigations lead to a necessity to reappraise the data on the thermal properties and heat flow. A new, advanced experimental basis was used to provide reliable data on vertical variations in the thermal properties of formation and heat flow for the area surrounding a prospecting borehole drilled through an unconventional hydrocarbon reservoir of the Domanik Formation in the Orenburg region (Russia). Temperature logging was conducted 12.5 months after well drilling. The thermal properties of the rocks were measured with continuous thermal core profiling on all 1699 recovered core samples. Within non‐cored intervals, the thermal conductivity of the rocks was determined from well‐logging data. The influence of core aging, multiscale heterogeneity and anisotropy, in situ pressure and temperature on the thermal properties of rock was accounted for. The terrestrial heat flow was determined to be 72.6 ± 2.2 mW∙m−2—~114% larger than the published average data for the studied area. The experiment presents the first experience of supporting basin modeling in unconventional plays with advanced experimental geothermal investigations.

Original languageEnglish
Article number346
JournalGeosciences (Switzerland)
Issue number8
Publication statusPublished - Aug 2021


  • Advanced techniques
  • Domanik formation
  • Experimental geothermal investigations
  • Heat flow
  • Thermal anisotropy
  • Thermal properties
  • Vertical variations


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