Well apparatus including a tool for use in shifting a sleeve wit

Details Well apparatus including a tool for use in shifting a sleeve wit Well apparatus including a tool for use in shifting a sleeve wit

1993-12-08

1995-05-09

Britts, Ramon S.

Wells

Expansible anchor or casing

Fluid pressure actuated

166237, E21B 2304

Patent

active

054131731

ABSTRACT:
Well apparatus is disclosed in which a tool is lowered on a pipe string into a well conduit for shifting a sleeve slidably mounted within a tubular housing connected as part of the well conduit. The sleeve has vertically spaced grooves about its inner diameter, and the tool has latches which are selectively moved into and out of engagement with a selected groove in the sleeve in response to the control of the pressure of fluid within the tool. When engaged in a groove, the tool may be raised or lowered with the pipe string to raise or lower the sleeve.

REFERENCES:
patent: 4243099 (1981-01-01), Rodgers, Jr.
patent: 4396061 (1983-08-01), Tamplen et al.
patent: 4817723 (1989-04-01), Ringgenberg
patent: 4862957 (1989-09-01), Scranton
patent: 4928772 (1990-05-01), Hopmann
patent: 4944351 (1990-07-01), Eriksen et al.
patent: 5082062 (1992-01-01), Wood et al.

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