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:
Dec. 20, 1977
Filed:
Feb. 22, 1977
Applicant:
Inventor:
Jerry J Rayborn, New Orleans, LA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
175 65 ; 252 / ;
Abstract
A method wherein spherical plastic beads are added to a drilling mud to reduce torque and drag on the drill string and to otherwise enable smooth drilling operations downhole by acting as a lubricant between the drill string, drill bit, and the well bore by reducing friction therebetween.
Rayborn, Jerry. (1977). Drilling fluid lubricant (U.S. Patent No. 4063603). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4063603
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile