Abstract
In this paper, the hazard of adverse heat effect on permafrost soil as a result of viscous oil production in the Far North is studied with the method of thermocompression supply of superheated water steam to the oil-bearing layer. It is found that, due to the divergent nature of heat transfer and convective complex movement of air in the space between the tubing and the casing, the temperature of the latter in the area of load-bearing elements heated to 130°C is about 70°C. The heterogeneity of the temperature field is leveled up to 4–5% at a distance of 400–420 mm from the axis of the tubing. The thickness of the melting layer of ground ice within 90 days of operation of the tubing depends on the percentage of water-filled pores in the soil. With the minimum (10%) percentage of water-filled pores in the soil layer, the thickness of the ground ice melting layer for 90 days of operation of the tubing does not exceed 2.6 m.
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Original Russian Text © A.S. Filimonov, V.A. Tarasov, M.A. Komkov, V.A. Moiseev, M.P. Timofeev, R.V. Boyarskaya, 2016, published in Geofizicheskie Protsessy i Biosfera, 2016, Vol. 15, No. 2, pp. 69–79.
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Filimonov, A.S., Tarasov, V.A., Komkov, M.A. et al. Research of thermal processes in the soil during the development of oil fields in the Far North by the compression method with heating. Izv. Atmos. Ocean. Phys. 52, 862–868 (2016). https://doi.org/10.1134/S0001433816080053
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DOI: https://doi.org/10.1134/S0001433816080053