FIELD: oil and gas production industry. SUBSTANCE: device has hollow body with stop. Installed concentrically in body space is extending pipe union with its inner end closed by plug made of material destructible by acid. Oppositely to stop, body is provided with shearable cover. Plug has head and its diameter is larger than diameter of extending pipe union for interaction with body stop. Space of pipe union is filled with viscous-plastic material. Device is simple in design, ensures increase of bed opening and makes it easier. EFFECT: high efficiency. 1 cl, 5 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| WELL COMPLETION METHOD | 1994 |
|
RU2083806C1 |
| METHOD FOR SECONDARY OPENING OF PRODUCTIVE BED | 1996 |
|
RU2118445C1 |
| DEVICE FOR ISOLATION AND OPENING OF BEDS | 1998 |
|
RU2137903C1 |
| OUTFIT TO SHORE UP WALLS OF BOREHOLE | 1999 |
|
RU2164583C2 |
| WELL FILTER | 1994 |
|
RU2085708C1 |
| DISCONNECTING DEVICE FOR CEMENTED TAIL-PIECES | 1996 |
|
RU2101457C1 |
| WELL FILTER | 1996 |
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RU2137911C1 |
| DEVICE FOR SECONDARY OPENING OF PRODUCTIVE BED | 1997 |
|
RU2119044C1 |
| DEVICE FOR WELL COMPLETION | 2000 |
|
RU2189434C1 |
| DEVICE FOR FINISHING WELLS | 0 |
|
SU1596084A1 |
