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Sökning: WFRF:(Mukhina A)

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  • Mukhina, Elena, et al. (författare)
  • Experimental Modelling of Hydrocarbon Migration Processes
  • 2017
  • Ingår i: Joint AIRAPT-25th and EHPRG-53rd International Conference on High Pressure Science and Technology, 2015. - : Institute of Physics (IOP).
  • Konferensbidrag (refereegranskat)abstract
    • One of the most important questions in the frame of the concept of deep abiogenic origin of hydrocarbons is how hydrocarbons generated under the upper mantle conditions could migrate upward to the Earth's crust to form hydrocarbon deposits. Two different ways of fluid migration were proposed and simulated - slow migration during hundreds of years and fast migration-eruption. Influence of the fluid's migration speed on the final hydrocarbon mixture composition was studied. The received results show that the relative chemical composition of the hydrocarbon mixtures probably does not depend on the cooling conditions (the speed of the fluid migration).
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  • Mukhina, E, et al. (författare)
  • The lower pT limit of deep hydrocarbon synthesis by CaCO3 aqueous reduction
  • 2017
  • Ingår i: Scientific Reports. - : NATURE PUBLISHING GROUP. - 2045-2322. ; 7
  • Tidskriftsartikel (refereegranskat)abstract
    • The deep abiogenic synthesis of hydrocarbons is possible under the conditions of the asthenosphere. We have found that this process can also occur under the mineral and thermobaric conditions of subducting slabs. We have investigated the abiogenic synthesis of hydrocarbon systems at pressures of 2.0-6.6 GPa and temperatures of 250-600 degrees C. The determined lower thermobaric limit of the reaction at 280-300 degrees C and 2-3 GPa corresponds to a depth of 70-80 km during cold subduction. The hydrocarbon fluid formed in the slab can migrate upwards through the network of faults and fractures to form petroleum deposits.
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