Patent ID: 7614448
Filing Date: 2009-11-10
Classification: E21B

Abstract:
1. An apparatus adapted to be operatively coupled to a well having a production casing positioned therein, the apparatus comprising: a first device having an internal bore; a second device having an internal bore; at least one production flow port formed in said first or second device; and a fracture isolation sleeve disposed at least partially within said internal bores of said first and second devices, said fracture isolation sleeve having an internal diameter that is greater than or equal to an internal diameter of said production casing, wherein said fracture isolation sleeve is adapted to be retrievable through at least one device positioned above said first device, wherein said at least one device is a fracturing system positioned above said well, and wherein said fracture isolation sleeve is further adapted to isolate said at least one production flow port formed in said first or second device from fracturing pressure during fracturing operations.