| 摘要 |
FIELD: machine building.SUBSTANCE: invention relates to a device for separation and sealing of wells violations. Packer has expandable branch with an adapter, sealing cups on housing of expandable nozzle, solid conical mandrel, centering funnel, fishing branch pipe. On housing of expandable nozzle there are notches preventing sliding of sealing cups at installation of packer, a standard hydraulic setting tool. Backfill of expandable nozzle of packer is performed by means of conical mandrel.EFFECT: high reliability of packer.1 cl, 2 dwg |
