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. 09, 2004
Filed:
May. 15, 2002
Applicant:
Inventors:
Martin Liess, Seelze, DE;
Jorg Erich Schulze-Beckinghausen, Garbsen, DE;
Andreas Carlsson, Sehnde, DE;
Bernd-Georg Pietras, Wedemark, DE;
Assignee:
Weatherford/Lamb, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 1/916 ; B25B 1/700 ;
U.S. Cl.
CPC ...
E21B 1/916 ; B25B 1/700 ;
Abstract
An apparatus and a method for positioning a tubular relative to a tong is provided. In one aspect, a positioning tool may be mounted on a lower portion of the tong. The positioning tool includes a positioning member for determining a position of the tubular and a centering member for engaging the tubular. The positioning tool further includes an actuation device for actuating the centering member. The position of the tubular may be actively adjusted by actuating the centering member.