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. 24, 1984
Filed:
Sep. 30, 1982
Darrell W Brownawell, Scotch Plains, NJ (US);
Antonio Gutierrez, Mercerville, NJ (US);
Patricia C Matthews, Houston, TX (US);
Thad O Walker, Humble, TX (US);
Exxon Research & Engineering Co., Florham Park, NJ (US);
Abstract
An additive composition effective in the release of stuck pipe in a borehole during a drilling operation which composition contains a propoxylated lactone acid, e.g. a C.sub.8 -C.sub.22 alkyl lactone acids having from 10 to 13 propylene glycol units, an oil-soluble emulsifier-wetting agent and a liquid hydrocarbon diluent and for enhanced elevated temperature emulsion stability may include an imidazoline.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile