Wells – Processes – Placing or shifting well part
Patent
1985-02-20
1986-04-22
Novosad, Stephen J.
Wells
Processes
Placing or shifting well part
166 51, 166131, 166142, 166278, E21B 2306, E21B 4310
Patent
active
045835934
ABSTRACT:
A system is provided for gravel-packing a zone of a well. The system includes a liner hanger setting apparatus for setting a liner hanger located below the apparatus within the well. The liner hanger setting apparatus includes a housing having a housing bore disposed therethrough. A ball valve is disposed in the housing and has a ball valve bore disposed therethrough. The ball valve is rotatable between an initial closed position and an open position wherein the ball valve bore is aligned with the housing bore. A differential pressure responsive liner setting assembly is operably associated with the housing for setting the liner hanger in response to an increase in fluid pressure within an upper portion of the housing bore above the initially closed ball valve. A differential pressure responsive valve actuating assembly is operably associated with the ball valve for moving the ball valve from its initial closed position to its open position in response to an increase in fluid pressure within a well annulus external of the apparatus. After the ball valve has been opened, a concentric inner tubing string can be received through the ball valve bore thereof for insertion into a gravel-packing apparatus located therebelow.
REFERENCES:
patent: 3710862 (1973-01-01), Young et al.
patent: 4270608 (1981-06-01), Hendrickson et al.
patent: 4270610 (1981-06-01), Barrington
patent: 4273190 (1981-06-01), Baker et al.
patent: 4295524 (1981-10-01), Baker et al.
patent: 4296807 (1981-10-01), Hendrickson et al.
patent: 4369840 (1983-01-01), Szarka et al.
patent: 4401158 (1983-08-01), Spencer et al.
patent: 4429748 (1984-02-01), Beck
patent: 4438933 (1984-03-01), Zimmerman
Exhibit "A"-Baker Sand Control brochure entitled "Baker Sand Control-Sand Control Technology-High Density Gravel Pack.
Stepp Lee W.
Zunkel Gary D.
Beavers L. Wayne
Duzan James R.
Halliburton Company
Kisliuk Bruce M.
Novosad Stephen J.
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