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:
Aug. 07, 1984
Filed:
Jan. 11, 1982
Applicant:
Inventor:
Vernon H Schievelbein, Houston, TX (US);
Assignee:
Texaco Inc., White Plains, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
E21B / ; E21B / ;
U.S. Cl.
CPC ...
252 / ; 166311 ; 166312 ; 166307 ; 252 / ;
Abstract
A method is disclosed for restoring permeability of injection wells which have become plugged with polymer residue, protein debris, biological matter and the like. The method includes treating the well for a period of time with an aqueous solution containing hydrogen peroxide and optionally a surfactant.
Schievelbein, Vernon. (1984). Method for restoring permeability of injection wells (U.S. Patent No. 4464268). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4464268
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile