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. 13, 2021
Filed:
Aug. 22, 2018
Applicant:
Weatherford Technology Holdings, Llc, Houston, TX (US);
Inventors:
Bjoern Thiemann, Burgwedel, DE;
Ernst Fuehring, Lindhorst, DE;
Assignee:
WEATHERFORD TECHNOLOGY HOLDINGS LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 41/00 (2006.01); E21B 19/16 (2006.01); E21B 47/00 (2012.01);
U.S. Cl.
CPC ...
E21B 41/00 (2013.01); E21B 19/161 (2013.01); E21B 47/00 (2013.01);
Abstract
A method for connecting a tong cassette and a positioning device includes moving a positioning arm of the positioning device toward a predetermined position on the rig; identifying a position of the tong cassette relative to the positioning arm; and connecting the positioning arm to the tong cassette. A system includes a tong cassette; and a positioning device having a first sensor configured to measure a distance between the tong cassette and the positioning device; and a second sensor configured to measure a stick-up height of a tubular string.