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. 16, 2024
Filed:
Aug. 27, 2021
Applicant:
Nabors Drilling Technologies Usa, Inc., Houston, TX (US);
Inventors:
Padira Reddy, Richmond, TX (US);
Denver Lee, Houston, TX (US);
Premkumar Mongattil, Houston, TX (US);
Assignee:
NABORS DRILLING TECHNOLOGIES USA, INC., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 15/00 (2006.01); E21B 19/14 (2006.01); E21B 7/02 (2006.01);
U.S. Cl.
CPC ...
E21B 15/003 (2013.01); E21B 7/023 (2013.01); E21B 15/006 (2013.01); E21B 19/14 (2013.01);
Abstract
A land-based drilling rig includes a drill rig floor and a subfloor, the subfloor supporting the drill rig floor. The land-based drilling rig also includes a plurality of substructure boxes, the substructure boxes supporting the subfloor, each substructure box including a lower substructure box and two upper substructure boxes, wherein there is a gap between the two upper substructure boxes. In addition, the land-based drilling rig further includes a mast, the mast mechanically coupled to the drill rig floor.