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. 24, 2002
Filed:
Mar. 09, 2001
Applicant:
Inventor:
Kevin W. Smith, McMurray, PA (US);
Assignee:
Clearwater, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 7/02 ; E21B 4/325 ; E21B 4/326 ;
U.S. Cl.
CPC ...
C09K 7/02 ; E21B 4/325 ; E21B 4/326 ;
Abstract
Clay is stabilized in the drilling of wells for hydrocarbon production by the addition to the drilling fluid of potassium formate together with an amount of guar effective to inhibit clay and shale swelling and sloughing.
Smith, Kevin. (2002). Treating shale and clay in hydrocarbon producing formations with combinations of guar and potassium formate (U.S. Patent No. 6454005). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6454005
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile