FIELD: oil extraction. SUBSTANCE: elastic vibrations are excited in productive formation with the help of vibrating action. Preliminary energy of acoustic noises is measured in different phases of earth tides. Determine phase of earth tides, that corresponds to maximum energy of acoustic noises. Action on formation is exercised during the determined phase of tides till maximum increment of total energy of acoustic noises since beginning of the action and stabilization of filtration features of formation appear. EFFECT: increased oil extraction.
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