FIELD: oil and gas producing industry, particularly, equipment for pipe string perforation by puncturing method. SUBSTANCE: puncturing perforator has body with channels for working fluid, motor with hydraulic pump, working cylinder and piston accommodating tool for channel formation. Installed on axis of working cylinder and on body external side, opposite t tool for channel formation is support for thrusting pipe string walls. EFFECT: higher reliability of perforator. 3 cl, 3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DEVICE FOR PUNCTURING PIPE OF OIL OR GAS WELL | 2000 |
|
RU2188306C2 |
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|
RU2195547C2 |
