METHOD OF PROTECTING OILFIELD LINES AGAINST CORROSION

摘要

the invention u043c.u0431.u0438u0441u043fu043eu043bu044cu0437u043eu0432u0430u043du043e in oil and gas u0434u043bu00a0 protection against corrosion of the inner surface of the pipe. the objective is to reduce the corrosion u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 aggressiveness u0442u0440u0430u043du0441u043fu043eu0440u0442u0438u0440u0443u0435u043cu043eu0439 oil and protection of pipes from the local corrosion. transforming u0440u0430u0441u0441u043bu043eu0435u043du043du044bu0435 flows of oil and water emulsion. controlled by sensors u0437u0430u043cu0435u0440u0435u043du043du0443u044e in u0433u0430u043bu044cu0432u0430u043du043eu0441u0442u0430u0442u0438u0447u0435u0441u043au043eu043c mode current density lying in the range of 1. 10 - 5 - 1.10 - 6 a / cm2 within u0438u0437u043cu0435u043du0435u043du0438u00a0 interval sensor from - 0.3 to + 1. if u043fu043eu043au0430u0437u0430u043du0438u00a0 sensor u0432u044bu0445u043eu0434u00a0u0442 for these u0437u043du0430u0447u0435u043du0438u00a0, u0438u0437u043cu0435u0440u00a0u044eu0442 u043fu043eu043bu00a0u0440u0438u0437u0430u0446u0438u043eu043du043du043eu0435 resistance, u0441u043eu0441u0442u0430u0432u043bu00a0u044eu0449u0435u0435 20 - 70 com / cm2. according to the testimony of sensors u0438u0437u043cu0435u043du00a0u044eu0442 u043fu0440u043eu0445u043eu0434u043du043eu0435 ratio u0434u0438u0441u043fu0435u0440u0433u0430u0442u043eu0440u0430 would pass through to the oil. before u0434u0438u0441u043fu0435u0440u0433u0430u0442u043eu0440u043eu043c oil is passed through u0432u043eu0434u043eu043eu0442u0434u0435u043bu0438u0442u0435u043bu044c, to whom to shed water.with the help of additional u0432u043eu0434u043eu043eu0442u0434u0435u043bu0438u0442u0435u043bu00a0 u043fu0440u043eu0438u0437u0432u043eu0434u00a0u0442 selection of stable emulsions, u0440u0430u0437u0434u0435u043bu00a0u044eu0442 in two streams, one is at the entrance u0434u0438u0441u043fu0435u0440u0433u0430u0442u043eu0440u0430, the other in the protected in the pipeline. 2 z. s - lu.