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:
Jul. 26, 2005
Filed:
Mar. 12, 2003
Applicant:
Daniel L. Bour, Bakersfield, CA (US);
Inventor:
Daniel L. Bour, Bakersfield, CA (US);
Assignee:
Halliburton Energy Services, Inc., Duncan, OK (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B033/13 ;
U.S. Cl.
CPC ...
Abstract
A system and method of cementing in an annulus formed between a casing and the wall of a well bore, wherein a foamed cement is introduced into the upper portion of the annulus, directed downwardly through the annulus and back up into the casing, and then displaced back down the casing and into the annulus.
Bour, Daniel. (2005). Reverse circulation cementing system and method (U.S. Patent No. 6920929). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6920929
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile