METHOD FOR INTENSIFICATION OF OIL RECOVERY Russian patent published in 1999 - IPC

FIELD: oil production industry. SUBSTANCE: according to method, following operations are undertaken: lowered into well are pump-compressor pipes, lowered onto pump-compressor pipes is acoustic vibration generator for example such as pump, lowered into well is acoustic device in the form of sound generator-resonator, acoustic vibrations are generated by pump, acoustic vibrations are transformed by sound generator-resonator. Sound generator-resonator is positioned on bottom-hole of well. Transformation of acoustic vibrations by sound generator-resonator is performed by transforming low-frequency waves into area of high frequencies of ultrasonic range. These high-frequency waves are used for degassing of oil with subsequent reduction of its viscosity and increasing of well output. Application of aforesaid method ensures increase of oil inflow from bottom-hole zone of bed. EFFECT: higher frequency. 5 dwg