METHOD AND ASSEMBLY FOR RECOVERING OIL USING ELASTIC VIBRATION ENERGY

摘要

The invention relates to the field of oil recovery and, more specifically, to the recovery of oil using elastic vibration energy. The method for recovering oil using elastic vibration energy involves placing a downhole apparatus (4) in a well, which downhole apparatus is connected to aboveground power supply units (2, 3) and contains an ultrasonic transducer (14) that provides for the generation of high frequency elastic vibrations, exciting elastic vibrations of different frequencies and then repeatedly applying the elastic vibrations to the oil formation, wherein both high and low frequency vibrations are applied to the formation. The low frequency vibrations are generated with the aid of an electric pulse device which is connected to an aboveground power supply (3) and comprises the following electrically interconnected components: a charger (15), a unit (16) of energy storage capacitors (17), a discharge unit with electrodes (18, 19), and two switching means (21, 22). The invention makes it possible to recover oil from depths of over 2000 metres and to act effectively on the formation being treated.