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.

Date of Patent:
Oct. 30, 1984

Filed:

Jul. 28, 1983
Applicant:
Inventors:

Leonard J Kalfayan, Claremont, CA (US);

David R Watkins, Irvine, CA (US);

Assignee:

Union Oil Company of California, Los Angeles, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166300 ; 166281 ; 166307 ;
Abstract

A method for acidizing siliceous subterranean formations wherein the acidizing composition penetrates the formation to a greater extent before spending comprising injecting into the formation first an organosilane or an ester of an organosilane, preferably in a hydrocarbon carrier liquid, and thereafter an aqueous acidizing composition containing (1) a non-oxidizing mineral acid, acid precursor, low molecular weight organic acid or halogenated derivative thereof, and (2) a fluorine-containing acid or salt.


Find Patent Forward Citations

Kalfayan, Leonard. (1984). Method for deeper penetrating acidizing of siliceous formations (U.S. Patent No. 4479543). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4479543

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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