Method and apparatus for installing a control valve assembly on

Details Method and apparatus for installing a control valve assembly on Method and apparatus for installing a control valve assembly on

1976-06-14

1977-09-06

Leppink, James A.

Wells

With below and above ground modification

Eduction pump or plunger in well

E21B 33035

Patent

active

040461920

ABSTRACT:
A method of installing a valve-bearing assembly on an underwater oil well head and for checking the sealing-tightness of the pipes connected thereto, in a single operation without the use of a diver, comprises coupling the assembly to a tool connected to riser of a surface support and which includes means for connection and checking of the assembly controlled from the surface support.

REFERENCES:
patent: 3163224 (1964-12-01), Haeber et al.
patent: 3179176 (1965-04-01), Goepfert
patent: 3486556 (1969-12-01), Burgess
patent: 3602301 (1971-08-01), James
patent: 3675713 (1972-07-01), Watkins
patent: 3913669 (1975-10-01), Brun et al.

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