«Onshore and offshore oil and gas well construction»

A method for treatment of a formation bottom hole zone by a pulsed opto-acoustic wave

UDC: 622.276:622.245
DOI: 10.33285/0130-3872-2023-7(367)-50-54

Authors:

¹ Research Institute "Geotechnological Problems of Oil, Gas and Chemistry", Baku, Azerbaijan

Keywords: pulsed opto-acoustic wave, bottomhole cooling, Knudsen effect, oil reservoir, well productivity increase

Annotation:

The article notes that the method of using a pulsed opto-acoustic wave to excite residual oil for cleaning both the bottomhole and bottomhole zone of an oil-bearing formation from pollution by solid particles is the most effective one. A pulsed opto-acoustic wave is an acoustic wave that occurs when high-power laser radiation interacts with a thin layer of a highly absorbing medium. The practical advantage of this wave is that it can reach values up to 10⁸–10⁹ Pa, and the laser radiation parameters are controllable. In order to increase the efficiency of the vibro-wave effects on the oil formation, it is proposed to use a pulsed opto-acoustic wave, taking into account the Knudsen effect.

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