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:
Jun. 03, 1986
Filed:
Aug. 13, 1984
Applicant:
Inventors:
Stephen L Long, Houston, TX (US);
Alfred Brown, Houston, TX (US);
Assignee:
Texaco Inc., White Plains, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ; E21B / ;
U.S. Cl.
CPC ...
166263 ; 166272 ; 166304 ; 1663051 ;
Abstract
A method applicable to secondary recovery procedure employing an injection well. It applies to conditions caused by return flow of injection fluid back into the well from the formation being injected. It frees the well and injected formation from heavy paraffinic-aromatic residue that is carried by the return flow.