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:
May. 18, 1993
Filed:
Nov. 26, 1991
Applicant:
Inventors:
Robert L Horton, The Woodlands, TX (US);
D V Gupta, The Woodlands, TX (US);
Assignee:
The Western Company of North America, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
252-8551 ; 2523153 ; 166308 ;
Abstract
An aqueous gel comprising an aqueous fluid containing a polymeric gelling agent, a buffer, an aluminum-based crosslinking composition and a xanthan containing retardant composition. The gel is useful for fracturing and carrying propping agents within subterranean formations.