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:
Nov. 02, 1982
Filed:
Apr. 21, 1981
Applicant:
Inventors:
David C Berkshire, Houston, TX (US);
Jimmie B Lawson, Houston, TX (US);
Edwin A Richardson, Houston, TX (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ; E21B / ;
U.S. Cl.
CPC ...
252 / ; 166279 ;
Abstract
The scaling of a producing well is inhibited by injecting a self-reacting alkaline aqueous solution of a pH-lowering reactant, a compound containing scale-inhibiting anions and a compound containing multivalent cations, which solution subsequently precipitates a slightly soluble scale inhibitor within the reservoir.
Quick Actions:
Berkshire, David. (1982). Treating wells with self-precipitating scale inhibitor (U.S. Patent No. 4357248). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4357248
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile