Wells – Valves – closures or changeable restrictors – Destructible element
Patent
1991-12-02
1993-04-27
Bui, Thuy M.
Wells
Valves, closures or changeable restrictors
Destructible element
166318, F21B 3406
Patent
active
052053610
ABSTRACT:
A travelling disc valve assembly, comprising a length of tubing lowered down a cased wellbore; a crossover tool secured to the lower end of the length of tubing; a length of wash pipe secured to the lower end of the crossover tool; a disc valve assembly secured to the wash pipe and positioned to a lower circulation position in the well bore; a disc valve secured in a bore of the assembly; a shearing device in the upper portion of the assembly for shearing off the connection between the wash pipe and the disc valve assembly, when the disc valve assembly is in an upper position, providing a way to prevent fluid from flowing into the formation below the disc valve and to prevent production flow to the surface; and a rupturer/disengager to rupture and/or disengage the disc valve at a predetermined time so that the production within the formation is allowed to flow through the assembly bore to the surface.
REFERENCES:
patent: 2545504 (1951-03-01), Villafane
patent: 2565731 (1951-08-01), Johnston
patent: 2626177 (1953-01-01), Maxwell et al.
patent: 2855943 (1958-10-01), Moller et al.
patent: 3024846 (1962-03-01), Gage
patent: 3599713 (1971-08-01), Jenkins
patent: 3831680 (1974-08-01), Edwards et al.
patent: 4512406 (1985-04-01), Vann et al.
patent: 4651827 (1987-03-01), Helderle
patent: 4658902 (1987-04-01), Wesson et al.
patent: 4691775 (1987-09-01), Lustig et al.
patent: 4911242 (1990-03-01), Hromas et al.
patent: 4957167 (1990-09-01), Schultz
patent: 5109925 (1992-05-01), Stepp et al.
patent: 5137088 (1992-08-01), Farley et al.
Farley David
Fink Kent T.
Bui Thuy M.
Completion Services, Inc.
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