Wells – Processes – Placing or shifting well part
Patent
1990-08-27
1992-10-20
Melius, Terry Lee
Wells
Processes
Placing or shifting well part
166332, E21B 3414
Patent
active
051562200
ABSTRACT:
A downhole well tool is provided which includes a shifting sleeve for opening a flow communication port. The well tool includes first and second primary seal elements positioned upstream and downstream, respectively, of the port as well as upstream and downstream of the threaded connections between the well tool and sections of tubing forming the well flow conduit. A fluid diffuser element may be included to abate flow damage across the primary seal elements during the shifting of the sleeve. A method of selectively transmitting fluid incorporating said well tool also is disclosed.
REFERENCES:
patent: 3051243 (1962-08-01), Grimmer et al.
patent: 3071193 (1963-01-01), Raulins
patent: 3395758 (1968-08-01), Kelly et al.
patent: 3414060 (1968-12-01), Zak
Forehand Richard L.
Hopmann Mark E.
Murray Douglas J.
Williams Ronald D.
Baker Hughes Incorporated
Hunn Melvin A.
Melius Terry Lee
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