DEVICE FOR PULLING THE EQUIPMENT FROM WELLHEAD OF OIL WELL Russian patent published in 1994 - IPC

Abstract RU 2015303 C1

FIELD: oil producing industry. SUBSTANCE: device has several articulated catching levers. Device is made to install on equipment head of wellhead. Force applied to tool for its lifting from equipment head of wellhead may be used for actuation of levers to engage outer surface of equipment head of wellhead and to prevent separation of device from equipment head of wellhead. EFFECT: higher efficiency. 6 cl, 8 dwg

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RU 2 015 303 C1

Authors

Dzheffri Ouehn Rouz[Gb]

Dates

1994-06-30—Published

1991-04-02—Filed