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.

Date of Patent:
Jun. 13, 2017

Filed:

Jul. 14, 2015
Applicant:

Dreco Energy Services Ulc, Edmonton, CA;

Inventors:

Kameron Wayne Konduc, Edmonton, CA;

Randy Steven Stoik, Sherwood Park, CA;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 7/02 (2006.01); E21B 15/00 (2006.01); E04H 12/34 (2006.01); E04H 12/18 (2006.01);
U.S. Cl.
CPC ...
E04H 12/345 (2013.01); E04H 12/187 (2013.01); E21B 7/02 (2013.01); E21B 15/003 (2013.01);
Abstract

A drilling rig may include a pair of main beams supportable by a pair of rails, a substructure, an A-frame secured to the main beams, and a mast pivotably secured to the main beams and configured to lay down in a pre-erected stage. The substructure may include a plurality of pivoting legs, a drill floor having a plurality of spreaders pivotably supported by the plurality of pivoting legs, and a plurality of drill floor subassemblies supported by the plurality of spreaders. The plurality of pivoting legs supporting the spreaders may be configured to lay down in a pre-erected stage as well.


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