The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 26, 2016
Filed:
Jul. 10, 2012
Liuqing Yang, Rosharon, TX (US);
Xiaohong Ren, Sugar Land, TX (US);
Camilla Werningsen, Houston, TX (US);
Liuqing Yang, Rosharon, TX (US);
Xiaohong Ren, Sugar Land, TX (US);
Camilla Werningsen, Houston, TX (US);
Schlumberger Technology Corporation, Sugar Land, TX (US);
Abstract
A packer that is usable with a well includes a tubular inner core and a swellable body that is mounted to the core and is adapted to swell in the presence of a triggering agent to form an annular seal in the well. The swellable body longitudinally extends between first and second ends of the body and includes a first region that is located between the first and second ends of the swellable body to swell at a first rate and at least a second region that is located closer to one of the first and second ends than the first region to swell at a second rate less than the first rate.