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:
Mar. 02, 1993
Filed:
Oct. 04, 1991
Applicant:
Inventor:
Carlos W Pardo, Missouri City, TX (US);
Assignee:
Texaco Inc., White Plains, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166387 ; 166187 ; 166295 ;
Abstract
An external packer assembly for isolating well bores has an inflatable member initially containing a catalyst or activator solution. An insertion assembly introduces a resin to the inflatable member which then inflates, under the influence of the expanding resin, into sealing engagement with the bore hole walls.