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:
Sep. 17, 2019
Filed:
Sep. 26, 2016
Applicant:
Weatherford Technology Holdings, Llc, Houston, TX (US);
Inventor:
Geoffrey Powers, Houston, TX (US);
Assignee:
WEATHERFORD TECHNOLOGY HOLDINGS, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/12 (2006.01); B29C 48/05 (2019.01); B29C 48/154 (2019.01); E21B 29/02 (2006.01); E21B 23/00 (2006.01); B29K 105/08 (2006.01); B29L 31/26 (2006.01); E21B 43/11 (2006.01); E21B 43/26 (2006.01);
U.S. Cl.
CPC ...
E21B 33/1208 (2013.01); B29C 48/05 (2019.02); B29C 48/154 (2019.02); E21B 23/00 (2013.01); E21B 29/02 (2013.01); E21B 33/12 (2013.01); B29K 2105/08 (2013.01); B29L 2031/26 (2013.01); E21B 43/11 (2013.01); E21B 43/26 (2013.01);
Abstract
A packer or plug for use in a wellbore includes: a tubular mandrel made from a composite material including a pyrotechnic composition; an expandable seal disposed on an outer surface of the mandrel; and an igniter operable to initiate combustion of the mandrel.