METHOD acidizing carbonate reservoirs HIGH RESERVOIR

摘要

method of processing high temperature acidic u043au0430u0440u0431u043eu043du0430u0442u043du043eu0433u043e reservoir stratum, including the injection of chemical agents, u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 the plast r u0430u043au0430u0447u0438u0432u0430u044eu0442 simultaneously or sequentially u043eu0442u043eu0440u043eu0447u043au0443 complex ether acetic acid and / or u043eu0442u043eu0440u043eu0447u043au0443 water or 3% aqueous solution of hydrogen ions in the ratio of 1: 4 to 1: 1.5, depending on the temperature of the reservoir.then stop at the technological extract u0434u043bu00a0 u043eu0431u0440u0430u0437u043eu0432u0430u043du0438u00a0 anhydride in the reservoir and the reaction with the rock stratum and u0432u0432u043eu0434u00a0u0442 keyhole operation.