US 7,490,666 B2
Fracturing isolation sleeve
Gerald Brian Swagerty, Houston, Tex. (US); Brandon Matthew Cain, Houston, Tex. (US); Huy LeQuang, Houston, Tex. (US); and Bill Albright, Houston, Tex. (US)
Assigned to FMC Technologies, Inc., Houston, Tex. (US)
Filed on Apr. 14, 2008, as Appl. No. 12/102,205.
Application 12/102205 is a division of application No. 11/860215, filed on Sep. 24, 2007.
Application 11/860215 is a continuation of application No. 11/061191, filed on Feb. 18, 2005, granted, now 7,308,934.
Prior Publication US 2008/0190601 A1, Aug. 14, 2008
This patent is subject to a terminal disclaimer.
Int. Cl. E21B 33/068 (2006.01)
U.S. Cl. 166—177.5  [166/75.13; 166/75.14; 166/75.15] 15 Claims
OG exemplary drawing
 
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; and
a fracture isolation sleeve disposed at least partially within said internal bores of said first and second devices, wherein said fracture isolation sleeve sealingly engages an internal bore of at least one of said first device and said second device and sealingly engages an internal bore of said production casing, and a profile formed in an exterior surface of said fracture isolation sleeve, said profile adapted to be engaged to secure said fracture isolation sleeve in an operational position, wherein said profile in said exterior surface of said fracture isolation sleeve is adapted to be engaged by a structure that penetrates through one of said first and second devices.