На русском Растворы для низкотемпературных условий бурения 6 (85) december 2021 Tulubaev A.B. tulubaevab@tyuiu.ru Industrial University of Tyumen Tyumen Koroleva I.A. Industrial University of Tyumen Tyumen Kazanceva A.M. Industrial University of Tyumen Tyumen Popova Zh.S. Industrial University of Tyumen Tyumen DOI: 10.24412/2076-6785-2021-6-68-71 Abstract The article presents the results of laboratory studies of perfluoroethylisopropyl ketone capable of operating under negative temperatures. Materials and methods A synthetic substance of the ketone series, the study of physical and chemical properties. Keywords drilling mud, fluoroketone, cryogenic drilling, wellbore stability, permafrost Download article