FIELD: oil and gas industry, particularly for separating beds during well operation and for beds shutting-in during well conservation.
SUBSTANCE: device includes body with through channel closed with plug, sealing member, lower and upper cones with slips formed as casings, fixer and location mechanism formed as cylinder with annular pushing piston installed on location mechanism. Fixer is arranged in location mechanism. Location mechanism is secured in body by cams cooperating with lesser plug step arranged in cylinder. Installed on body under sealing member is bushing cooperating with upper and lower cones. Bushing is connected to body by means of shear members. Stop secured to lower body part cooperates with lower slip.
EFFECT: simplified structure, increased reliability.
3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
RU2255203C1 |
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RU2235853C1 |
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|
RU2194148C1 |
