Patent ID: 7392851
Filing Date: 2008-07-01
Classification: E21B

Abstract:
1. An inflatable packer assembly, comprising: a first expandable tubular element having a pair of ends; a first pair of annular end supports for securing the respective ends of the first tubular element about a mandrel disposed within the first tubular element; and a first annular bracing assembly deployable from one of the end supports for reinforcing the first tubular element upon pressurization and expansion thereof, wherein the first annular bracing assembly is pivotally-connected at one of is ends to one of the end supports for reinforcing the first tubular element upon pressurization and expansion thereof, wherein the first annular bracing assembly is expandable at the other of its ends, one of the end supports is movable and the other end support is fixed with respect to the mandrel; and the first annular bracing assembly comprises a plurality of slats arranged in an annular configuration and each pivotally connected at one of its ends to the movable end support, wherein each of the slats has a width that increases from its pivotally connected end to its other end.