FIELD: oil and gas production industry. SUBSTANCE: packer has rod, sealing member with cones, spring-loaded stops, adapters. Rigidly connected to adapters by protrusions are bushes. Also provided are moving-apart supports with tail-piece. Supports are mounted on protrusions of bush. Bush protrusion has inner slots, and tail-piece of moving-apart support has side slots and side protrusions. Tail-piece of moving-apart support is seated inside slot of bush protrusion and is engaged with it by side protrusions. EFFECT: higher efficiency. 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| PACKER | 1996 |
|
RU2101461C1 |
| PACKER | 1998 |
|
RU2144129C1 |
| PACKER | 1997 |
|
RU2120023C1 |
| PACKER | 1992 |
|
RU2044863C1 |
| PACKER (VERSIONS) | 2000 |
|
RU2179228C2 |
| OIL WELL DRILLING PACKER | 1992 |
|
RU2039205C1 |
| LOCKING ARRANGEMENT FOR TESTING WELLS | 0 |
|
SU1033723A1 |
| HYDROMECHANICAL ANCHOR | 1991 |
|
RU2009309C1 |
| PACKER | 0 |
|
SU1818461A1 |
| PACKER | 0 |
|
SU1016484A1 |
