Well packer

Details Well packer Well packer

E - Fixed Constructions

21

B

E21B 33/126 (2006.01) E21B 33/127 (2006.01)

Patent

CA 2075431

ABSTRACT WELL PACKER An inflatable well packer includes several annular layers 1,3,5,7 of material, consisting of a series of oriented fibres 31 encapsulated in a resin. The layers 1,3,5,7 are corrugated along the direction of their circumference such that pressure from the bore through the annular layers causes the corrugations to at least partially unravel, thus causing inflation of the well packer. The fibres 31 within each layer 1,3,5,7 are oriented along the length of the layer, such that their orientations vary along the length of the layers 1,3,5,7. A method of manufacturing the well packer is also described. Figure 1 to accompany abstract.

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