METHOD FOR PREPARATION OF POWDER REAGENT FOR LOW-CLAY DRILLING SOLUTIONS

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to technology u0431u0443u0440u0435u043du0438u00a0 wells for oil and gas, in particular to the development of reagents, u0434u043bu00a0 processing of drilling fluids. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - enhancing ability u0438u043du0433u0438u0431u0438u0440u0443u044eu0449u0435u0439 reagent.method includes hydrolysis u043fu043eu043bu0438u0430u043au0440u0438u043bu043eu043du0438u0442u0440u0438u043bu0430 alkali and processing it u043cu0435u0442u0438u043bu0434u0438u043cu0435u0442u0438u043bu0441u0438u043bu0438u043au043eu043du0430u0442u043eu043c na (k), then the mixture u043du0430u043du043eu0441u00a0u0442 on solid phase and dried in u0433u0443u043cu0430u0442u0430 u043au0430u043bu0438u00a0 u043fu0441u0435u0432u0434u043eu043eu0436u0438u0436u0435u043du043du043eu043c layer at a temperature not higher 90u0441 and components u0432u0437u00a0u0442u044b next of mas.%: polyacrylonitrile 5 - 16;alkaline 4 - 13;u0433u0443u043cu0430u0442 u043au0430u043bu0438u00a0 68 - 89 and u043cu0435u0442u0438u043bu0441u0438u043bu0438u043au043eu043du0430u0442 na (to) 1 - 3. the use of reagent will increase the sustainability of the walls of the wells, reduce up to 40% of the polymer and up to 30% lower u0432u0440u0435u043cu00a0 preparation drilling fluids. 3, table 2).