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:
Jan. 09, 2018
Filed:
May. 02, 2014
Applicant:
Canrig Drilling Technology Ltd., Houston, TX (US);
Inventor:
Brendan Larkin, Houston, TX (US);
Assignee:
Canrig Drilling Technology Ltd., Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 19/15 (2006.01);
U.S. Cl.
CPC ...
E21B 19/155 (2013.01);
Abstract
A system for manipulating tubulars for subterranean operations includes a remote-controlled tubular lift system (RCTLS) having an engagement head configured to engage a proximal end region of a tubular and change the position of the tubular from a substantially horizontal position to a substantially vertical position, wherein in the vertical position a longitudinal axis of the tubular has an angular variation with respect to a predetermined vertical axis of not greater than about 5 degrees.