Packers and methods of use

Details Packers and methods of use Packers and methods of use

E - Fixed Constructions

21

B

E21B 33/127 (2006.01) E21B 23/06 (2006.01)

Patent

CA 2577573

Expandable packers and methods of using same are described. The expandable packers include an anti-extrusion layer comprising a fibrous layer having a first surface adjacent an outer surface of an inner expandable elastomeric member, and a cable layer adjacent the fibrous layer, the cable layer comprising a plurality of stacked unidirectional layers of cables. The cable layer is adapted to form a barrier substantially devoid of gaps through which the inner elastomer member would otherwise extrude into upon expansion of the inner elastomeric member. This abstract allows a searcher or other reader to quickly ascertain the subject matter of the disclosure. It will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.72(b).

La présente divulgation décrit des packers extensibles et les méthodes applicables. Ces packers extensibles comprennent une couche antiextrusion pourvue d'une couche fibreuse composée d'une première surface contiguë à la surface extérieure d'un élément élastomère intérieur dilatable, et une couche de câble contiguë à la couche fibreuse. La couche de câble est adaptée pour former une barrière quasiment sans vides à travers lesquels l'élément élastomère intérieur se gonflerait. Le présent résumé permet à un chercheur ou autre utilisateur d'établir rapidement le sujet de la divulgation. Ce résumé ne sera pas utilisé pour interpréter ou limiter la portée ou la signification des revendications. 37 CFR 1.72(b).

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