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:
Jan. 12, 1988
Filed:
Oct. 16, 1986
Applicant:
Inventor:
Homer Branch, III, New Orleans, LA (US);
Assignee:
Sun Drilling Products Corporation, Belle Chasse, LA (US);
Primary Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
252-8514 ; 252-851 ;
Abstract
Shale-stabilizing drilling fluids for use in connection with subterranean well drilling operations. The drilling fluids contain polyvalent metal/guanidine complexes, especially aluminum/guanidine complexes, and preferably contain guanidinium ion and aluminate ion accompanied by (a) cationic starches and (b) a glycol selected from the group consisting of polybutylene glycol, polyethylene glycol, polypropylene glycol and mixtures thereof.
Branch, III, Homer. (1988). Shale-stabilizing drilling fluids and method for producing same (U.S. Patent No. 4719021). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4719021
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile