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. 06, 2021
Filed:
Apr. 06, 2020
Applicant:
Nabors Drilling Technologies Usa, Inc., Houston, TX (US);
Inventors:
Assignee:
NABORS DRILLING TECHNOLOGIES USA, INC., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 15/00 (2006.01); B66F 11/04 (2006.01); E21B 7/02 (2006.01);
U.S. Cl.
CPC ...
E21B 15/003 (2013.01); B66F 11/04 (2013.01); E21B 7/02 (2013.01); E21B 15/00 (2013.01);
Abstract
A drilling rig may include a right substructure, left substructure, and a drill floor. The drill floor may be pivotably coupled to lower boxes of the left and right substructure by struts. The substructures may include hydraulic cylinders positioned to raise the drill floor and a mast coupled to the drill floor into a raised position.