3D simulation of the thermal regime of a group of gas wells in the Srednetyungskoe field

  • Ivanov Victor A., victor.ivanov88@gmail.com Institute of Oil and Gas Problems SB RAS, 1, Oktyabrskaya Street, Yakutsk 677000, Russia
  • Sivtsev Petr V., sivkapetr@mail.ru Ammosov North-Eastern Federal University, 42 Kulakovsky Street, Yakutsk 677000, Russia
  • Rozhin Igor I., i_rozhin@mail.ru Institute of Oil and Gas Problems SB RAS, Oktyabrskaya str., 1, Yakutsk 677000, Russia
Keywords: permafrost, gas well, Stefan problem, numerical simulation, Srednetyungskoe field, zonal isolation


The thermal interaction between a group of gas wells and the permafrost ground was simulated using the finite element method for the conditions of the Srednetyungskoe field. For the spacings between the wellheads of 10 m, 15 m, and 20 m, thermal regimes for the gas and surrounding ground massif are forecasted for 30 years of operation. The feature of the present work is that atmospheric conditions and the effect of the wells are modeled simultaneously in 3D, allowing for accurate characterization of the wellhead area. Field data on the ground temperature, the bottomhole pressure and temperature, the production rate, the gas composition, thermophysical properties of the ground, and weather conditions are used as input parameters. Temperature profiles of the ground, the position of the thawing front, and timing of merger of the thawing halos around the wells are estimated. The results of the survey can be used in development planning of the field.


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How to Cite
Ivanov, V., Sivtsev, P. and Rozhin, I. (2019) “3D simulation of the thermal regime of a group of gas wells in the Srednetyungskoe field”, Mathematical notes of NEFU, 26(3), pp. 109-119. doi: https://doi.org/10.25587/SVFU.2019.26.34.009.
Mathematical Modeling