E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/129 (2006.01) E21B 33/1295 (2006.01)
Patent
CA 2298798
Apparatus and methods are provided for anchoring within tubular structures and releasing therefrom. In a described embodiment, a packer includes multiple debris barriers, which are deployed when slips of the packer are radially outwardly extended. The debris barriers prevent debris from settling about the slips, thereby enhancing convenient retrieval of the packer. Use of the debris barriers may also permit control over how the slips are extended.
Hilts Robert L.
Kilgore Marion D.
Halliburton Energy Services Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
LandOfFree
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