FIELD: oil production, particularly oil field development.
SUBSTANCE: method involves providing injection wells with piston pumping units, flow strings and hydraulic vibrators installed at well bottom; installing composite acoustic transducer, which transforms noise of quarter-wave resonators having several resonance frequencies in injection line of piston pump unit; converting low-frequency noise of piston pump unit into ultrasound; flattening low-frequency pulsations in injection line over hydraulic vibrator and creating uniform liquid flow to hydraulic vibrator; uniformly forcing liquid into bed by applying pressure pulses to the liquid along with well bottom treatment zone increase.
EFFECT: optimized bottomhole vibrator operation due to reduced flow pulsation during treatment operations or liquid forcing into low-permeable beds.
3 dwg
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