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METHOD TO PREVENT CRUSHING OF CASING STRINGS AT SECONDARY FREEZING IN MULTIYEARFROZEN ROCKS
METHOD TO PREVENT CRUSHING OF CASING STRINGS AT SECONDARY FREEZING IN MULTIYEARFROZEN ROCKS
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机译:多年冻岩二次冻结时防止套管破裂的方法
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the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to new industrial - ti and u043c.u0431, used u0434u043bu00a0 u043fu0440u0435u0434u043eu0442u0432u0440u0430u0449u0435u043du0438u00a0 u0441u043cu00a0u0442u0438u00a0 casing columns in the u043fu0440u043eu043cu0435u0440 - u0437u0430u043du0438u0438 in u043cu043du043eu0433u043eu043bu0435u0442u043du0435u043cu0435u0440u0437u043bu044b x species. the goal is improving the reliability of the method is u0432u043bu0435u043du0438u00a0.for a long period of u043fu0440u043eu0441u0442u043eu00a0 (u043au043eu043du0441u0435u0440u0432u0430u0446u0438u00a0 wells) in the reconstruction of negative temperatures on the machine column inside u043au043eu043bu043eu043du043du043eu0435 space u044du043au0441u043fu043bu0443u0430u0442u0430u0446 the ion column in the borehole and the bottom u043cu043du043eu0433u043eu043bu0435u0442u043du0435u043cu0435u0440u0437u043bu044bu0445 species u0433u0435u0440u043cu0435u0442u0438u0437u0438u0440u0443u044eu0442 by installing cement bridges (ccs). the space between the ccs u0437u0430u043fu043eu043bu043du00a0u0435u0442u0441u00a0 u0437u0430u043cu0435u0440u0437u0430u044eu0449u0435u0439 fluid.u0437u0430u043cu043au043du0443u0442u0430u00a0 between ccs fluid creates a back pressure on the walls of the columns that u0441u043eu0445u0440u0430u043du00a0u0435u0442 its integrity in the who u043du0438u043au043du043eu0432u0435u043du0438u0438 dangerous pressures in u043au0430u0432u0435u0440u043du0430u0445 in colon the cement and stone (1). in
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