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:
Apr. 12, 2016
Filed:
Oct. 14, 2011
Thomas Hassel, Hannover, DE;
Aret Varahram, Hannover, DE;
Florian Baer, Hannover, DE;
Sven Mitulla, Niedersachsen, DE;
Joerg Lehr, Lower Saxony, DE;
Ludger Leo Josef Overmeyer, Wunstorf, DE;
Hans Lothar Wohlgemuth, Werder OT Glindow, DE;
Friedrich-wilhelm Bach, Isernhagen, DE;
Dominik Brouwer, Hannover, DE;
Thomas Hassel, Hannover, DE;
Aret Varahram, Hannover, DE;
Florian Baer, Hannover, DE;
Sven Mitulla, Niedersachsen, DE;
Joerg Lehr, Lower Saxony, DE;
Ludger Leo Josef Overmeyer, Wunstorf, DE;
Hans Lothar Wohlgemuth, Werder OT Glindow, DE;
Friedrich-Wilhelm Bach, Isernhagen, DE;
Dominik Brouwer, Hannover, DE;
BAKER HUGHES INCORPORATED, Houston, TX (US);
Abstract
A magnetically impelled arc butt (MIAB) welding device positioned on the rig floor heats facing ends of a pair of wellbore tubulars. After the facing ends are heated and/or melted, a force application device compressively engages the facing ends to form a welded joint.