TECHNOLOGY OF TREATMENT OF FACE ZONE OF POOL Russian patent published in 2002 - IPC

FIELD: oil and gas industry. SUBSTANCE: invention is related to methods of increase of productivity of wells by way of injection of liquid hydrocarbons into wells. Technical result of invention consists in enhanced efficiency of treatment of face zone of pool with large level of gas-bearing capacity under conditions of penetration of stratal water and water filtrate of technological fluids into sections of productive collector of low penetrability. Technology of treatment of face zone of pool includes pumping of hydrocarbons of gasoline fraction dispersed with gaseous agent. These hydrocarbons are pumped into pool with gas ratio 0.5-0.7 m/cu m and flow rate not less than 0.5- 0.8 l/s per running meter of opened interval with provision for forcing out of technological fluids from low-penetrability sections of face zone and water filtrate till phase penetrability by liquid and gaseous hydrocarbons is restored. EFFECT: enhanced efficiency of treatment of face zone of pool. 1 tbl