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:
Sep. 28, 2004
Filed:
Jul. 18, 2002
Applicant:
Inventor:
Thomas W. Bakker, Vries, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 3/025 ; E21B 7/24 ;
U.S. Cl.
CPC ...
E21B 3/025 ; E21B 7/24 ;
Abstract
A tube ( ) in a borehole ( ) in the ground ( ) is displaced. The tube is simultaneously displaced along and about its axis, such that it is axially introduced into or retracted from the borehole. According to the invention, displacing the composed tube about its axis comprises an oscillating movement. The invention further relates to a device for displacing a tube in a borehole.
Bakker, Thomas. (2004). Method and device for moving a tube in a borehole in the ground (U.S. Patent No. 6796390). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6796390
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile