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:
Mar. 22, 2016
Filed:
Dec. 17, 2014
Applicant:
Loadmaster Universal Rigs, Inc., Houston, TX (US);
Inventor:
R. Michael Barnes, Magnolia, TX (US);
Assignees:
Canyon Oak Energy LLC, Houston, TX (US);
Loadmaster Universal Rigs, Inc., Houston, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 19/16 (2006.01); E21B 3/02 (2006.01); E21B 7/02 (2006.01);
U.S. Cl.
CPC ...
E21B 19/16 (2013.01); E21B 3/02 (2013.01); E21B 7/022 (2013.01);
Abstract
A guide dolly for a drilling rig, the guide dolly having: a first dolly engagement roller assembly that is to move in parallel with a drilling mast of the drilling rig. The guide dolly also having a first dolly arm pivotably connected to the first dolly engagement roller assembly. The first dolly arm is configured to attach to a top drive of the drilling rig. A movement of the first dolly arm is to change a position of the top drive over a drilling location.