TY JOUR TI IMPROVING THE OPERATIONAL RELIABILITY OF OIL WELLS IN THE FAR NORTH KW Far North KW oil wells KW MMP KW thermal conductivity KW estimation of the thawing radius JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Mihaylov, A.Y. AU Petrovskii, E.A. AU Pavlova, P.L. AU Strelkov, I.A. PY 2023 IS 8 PB Belgorod State Technological University named after V.G. Shukhov