FIELD: oil and gas production industry. SUBSTANCE: device has perforated body which is made splittable. Fixed inside body are perforated pipe with bands around it. Lower ends of bands are connected with pad. Perforated pipe at releasing of flexible bands and pad remains suspended. EFFECT: higher efficiency. 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR CEMENTATION OF CASING STRING IN ABSORPTION WELL | 1995 |
|
RU2083803C1 |
| ARRANGEMENT FOR CLOSING-AWAY FLUSHING FLUID ABORPTION ZONES IN WELL | 0 |
|
SU832061A1 |
| WEDGE-TYPE CEMENTED WHIPSTOCK | 1997 |
|
RU2119573C1 |
| DEVICE FOR CUTTING OUT SECTION OF PIPE STRING IN WELL | 1996 |
|
RU2110665C1 |
| DEFLECTING DEVICE FOR SPUDDING NEW BOREHOLE | 0 |
|
SU1330296A1 |
| HYDROMECHANICAL PERFORATOR | 1997 |
|
RU2133822C1 |
| ARRANGEMENT FOR ISOLATING ABSORPTION ZONES | 0 |
|
SU1335674A1 |
| WHIPSTOCK SPINDLE | 1997 |
|
RU2136834C1 |
| DEVICE FOR PLACING CEMENT PLUG IN WELL | 2010 |
|
RU2435021C1 |
| DEVICE FOR CLOSING-OFF DRILLING MUD ABSORPTION ZONES | 0 |
|
SU868053A1 |
