FIELD: oil production, particularly well bore zone treatment to stimulate oil production.
SUBSTANCE: device comprises charge composed of cylindrical sections. Each section is provided with orifices having axes transversal to section joint axis and lie in single plane therewith. The orifices are created in each section along generatrix line extending along charge side. Grooves with sharp edges are created in side surfaces of device head and lower conical cowl. Head walls are provided with openings to communicate head interior with well.
EFFECT: increased efficiency of well bore zone treatment, provision of sparing well treatment regime and increased treatment reliability.
3 cl, 2 dwg
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