Method and apparatus for positioning a safety valve sub for conn

Details Method and apparatus for positioning a safety valve sub for conn Method and apparatus for positioning a safety valve sub for conn

1981-06-03

1984-01-03

Pate, III, William F.

Wells

Above ground apparatus

With means facilitating connecting or disconnecting...

166 78, 166 92, 166379, 285 18, 285283, 285DIG13, E21B 1702

Patent

active

044237740

ABSTRACT:
First means are provided which removably engage an upwardly extending tubular member. Support means for the safety valve sub are pivotally connected to the first means. Means are provided to secure the support means and the first means in axial alignment when the support means is tiltably moved to such position and rotatable means are carried by the support means to rotate the safety valve sub to connect it with an upwardly extending tubular member.

REFERENCES:
patent: 1240778 (1917-09-01), Podobiedoff
patent: 2125762 (1938-08-01), Wheeler
patent: 3282339 (1966-11-01), Hasha
patent: 3319979 (1967-05-01), Herold et al.
patent: 3625282 (1971-12-01), Bridges
patent: 3768579 (1973-10-01), Klein
patent: 3887161 (1975-06-01), Kubelka
patent: 3915244 (1975-10-01), Brown
patent: 3971442 (1976-07-01), Scott
patent: 4026354 (1977-05-01), Burrow
patent: 4323221 (1982-04-01), Kroher et al.

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