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. 04, 1977
Filed:
Nov. 13, 1975
Applicant:
Inventor:
Randolph H Knapp, Houston, TX (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ; E21B / ;
U.S. Cl.
CPC ...
166276 ; 166295 ; 427386 ;
Abstract
Particles are resin-coated in a remote location, such as a subterranean reservoir or a sand or gravel pack, by contacting them with a cationic aqueous emulsion which contains a resin-forming mixture of a polyepoxide and a relatively water-soluble tertiary-amine that is capable of both catalyzing the polymerization of the polyepoxide and oil-wetting of solid surfaces.