Title:
WORKING MEMBER OF PERFORATING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/137594
Kind Code:
A1
Abstract:
The present working member of a more reliable perforating device comprises a housing (1) having a slot (14), a guide bar (2), and a cutting saw chain (3). A drive gear (4) is fastened onto the guide bar (2), also provided is a hydraulic engine (5) having a channel (6) for supplying a fluid, and a hydraulic drive, comprised of a hydraulic cylinder (7) having a piston (8), a rod (9) of which being connected to a toothed rack (10) disposed in a channel (11), interacts with the drive gear (4). At the outlet of the slot (14), the housing (1) comprises vertical channels (12) having nozzles (13) disposed along the length of the working zone. A shaft (15) of the hydraulic engine (5) is equipped with a drive gear (16) that is in contact with a sprocket (17) of the guide bar (2). A spring (20) that interacts with an additional piston (21) is mounted within the piston cavity (19) of the cylinder (7).
More Like This:
| WO/2004/111385 | HYDROMECHANICAL SLOTTED PERFORATOR |
| WO/2022/233933 | MECHANICAL PERFORATION TOOL SYSTEM |
| WO/2013/109408 | NON-BALLISTIC TUBULAR PERFORATING SYSTEM AND METHOD |
Inventors:
KHAKIMOV MAKSIM ILDUSOVICH (RU)
Application Number:
PCT/EA2019/050001
Publication Date:
July 18, 2019
Filing Date:
January 15, 2019
Export Citation:
Assignee:
OBSHCHESTVO S OGRANICHENNOJ OTVETSTVENNOSTYU NAUCHNAYA KOMPANIYA LUCH (RU)
International Classes:
E21B43/112
Foreign References:
| EP0774039B1 | 1998-07-01 |
Attorney, Agent or Firm:
GOLUBEVA, Lyudmila Petrovna (RU)
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