FIELD: petroleum industry.
SUBSTANCE: invention is referred to oil/gas producing and injecting wells drilling and operation. The system includes a hollow housing, which incorporates with piston-ram with central hydraulic channel and extendable cutter. Jet nozzles are installed at opposite sides of the perforator housing at 90° to its axis. Nozzles are directly connected with the piston-ram travel space in the perforator housing. Optionally, the perforator includes minimum four jet nozzles located by pairs one above the other at opposite sides of the housing.
EFFECT: improved performances of dual-side hydromechanical slot perforator with.
2 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
RU2338056C1 |
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| HYDROMECHANICAL SLIT PERFORATOR | 2003 |
|
RU2249678C2 |
| MECHANICAL-HYDRAULIC SLIT-TYPE PERFORATOR | 2005 |
|
RU2302515C2 |
