FIELD: well construction. SUBSTANCE: packer consists of body with central channel and side hole overlapped by bushing and ring, pin, valve system of channels of packing member, annular cavity, holders and breakable wire or rope stops attached to bushing inner side and located in plane square to body axis. EFFECT: higher efficiency. 6 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| PACKER | 1992 |
|
RU2021486C1 |
| METHOD AND APPARATUS FOR SEPARATING FORMATIONS IN WELL-CASING OPERATION | 0 |
|
SU1467158A1 |
| DEVICE FOR ACTUATION OF PACKER SEALING MEMBER | 1991 |
|
RU2068073C1 |
| BOREHOLE PACKING ELEMENT | 0 |
|
SU1716097A1 |
| DEVICE FOR FILLING THE HYDRAULIC SEALING MEMBER OF PACKER WITH LIQUID | 0 |
|
SU899853A1 |
| METHOD AND APPARATUS FOR ISOLATING FORMATIONS IN REINFORCING OF WELLS | 0 |
|
SU1548407A1 |
| DEVICE FOR ACTIVATING SEALING MEMBER OF PACKER | 0 |
|
SU1440120A1 |
| MECHANICAL-HYDRAULIC PACKER | 0 |
|
SU1714079A1 |
| PACKER | 0 |
|
SU1641980A1 |
| APPARATUS FOR STEPWISE CEMENTING OF WELLS | 0 |
|
SU1002525A1 |
