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:
Apr. 11, 2017
Filed:
Jun. 20, 2012
Kristian Solhaug, Stavanger, NO;
Kristian Solhaug, Stavanger, NO;
Halliburton Energy Services, Inc., Houston, TX (US);
Abstract
A swellable packer can include a base pipe, at least one swellable seal on the base pipe, the seal comprising a swellable material, and at least one other swellable seal on the base pipe, the other swellable seal comprising another swellable material, and the swellable materials being different materials. Another swellable packer can include at least one swellable seal, the seal comprising a swellable material, and at least one other swellable seal, the other swellable seal comprising another swellable material, and wherein one swellable seal displaces the other swellable seal into contact with a well surface, in response to contact between the one swellable seal and an activating agent.