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. 23, 2006
Filed:
Oct. 09, 2002
Applicants:
D. V. Satyanarayana Gupta, The Woodlands, TX (US);
Greg Niechwiadowicz, Calgary, CA;
Anita C Jerat, Calgary, CA;
Inventors:
D. V. Satyanarayana Gupta, The Woodlands, TX (US);
Greg Niechwiadowicz, Calgary, CA;
Anita C Jerat, Calgary, CA;
Assignee:
BJ Services Company, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Alcohol based hydraulic fracturing fluids useful for treating oil and gas wells are disclosed. The fluids are compatible with carbon dioxide, and comprise an alcohol, a polymer, a crosslinking agent, and a breaker. Hydroxypropyl guar with a molar substitution of about 1.2 to about 2.2 is identified as a presently preferred polymer.