Wells – Packers or plugs – With expanding anchor
Patent
1995-11-06
1997-12-02
Dang, Hoang C.
Wells
Packers or plugs
With expanding anchor
166136, 166185, 166191, E21B 33124, E21B 33128
Patent
active
056925646
ABSTRACT:
A straddle tool is disclosed which ensures sequential setting of the packing elements through the use of lost motion mechanisms. Once the lower pack-off has been set, the upper one is set and an internal valve is opened to allow flow through the tool to actuate a downhole tool, such as an inflatable packer. An anchor prevents actuation of the pack-off tool unless it is extended into a profile for support of the tool. Inadvertent settings of the pack-off tool are prevented, such as in oversized casing where the anchors are already fully extended, by virtue of a distance-sensing mechanism on the tool. When a large distance is sensed by one or more sensors, the mandrel is locked to the setting collars, preventing relative movement which could set the pack-off elements.
REFERENCES:
patent: 4522259 (1985-06-01), Akkerman
patent: 4567944 (1986-02-01), Zunkel et al.
patent: 4605064 (1986-08-01), Akkerman
patent: 4628998 (1986-12-01), Akkerman
patent: 4640351 (1987-02-01), Clifton et al.
patent: 4671352 (1987-06-01), Magee, Jr. et al.
patent: 4776397 (1988-10-01), Akkerman
patent: 4794989 (1989-01-01), Mills
patent: 4856583 (1989-08-01), Greenlee et al.
patent: 4962815 (1990-10-01), Schultz et al.
patent: 5082062 (1992-01-01), Wood et al.
patent: 5090481 (1992-02-01), Pleasants et al.
patent: 5092402 (1992-03-01), Perricone et al.
patent: 5186258 (1993-02-01), Wood et al.
patent: 5203412 (1993-04-01), Doggett
patent: 5355953 (1994-10-01), Shy et al.
patent: 5366019 (1994-11-01), Brooks
Baker Hughes Incorporated
Dang Hoang C.
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