FIELD: oil, gas and coke-chemical industry.
SUBSTANCE: invention relates to oil and gas industry and can be used in downhole operations when it is necessary to disconnect one part of equipment from another. Device contains a head with a disconnection mechanism arranged in it, which consists of an adapter and a housing with a collet installed in it, having a fixing piston, and connected to the adapter. Disconnection mechanism drive is connected to the disconnection mechanism housing, which includes a housing with a cover, installed in it a cylinder equipped with a slide valve and a spring, an upper spring-loaded contact installed in the cover, a lower spring-loaded contact installed in the cylinder, and a spool valve locking device.
EFFECT: reduced time of actuation of device for disconnection of assembly parts, reduced time of stuck assembly lifting and creation of emergency.
5 cl, 5 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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| DISCONNECTING DEVICE | 1996 |
|
RU2129650C1 |
