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:
Oct. 06, 2020
Filed:
Aug. 30, 2016
Applicant:
Nabors Drilling Technologies Usa, Inc., Houston, TX (US);
Inventor:
Christopher Magnuson, Houston, TX (US);
Assignee:
NABORS DRILLING TECHNOLOGIES USA, INC., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 19/14 (2006.01); E21B 7/20 (2006.01); E21B 19/16 (2006.01); E21B 19/20 (2006.01); E21B 19/15 (2006.01);
U.S. Cl.
CPC ...
E21B 19/14 (2013.01); E21B 7/20 (2013.01); E21B 19/155 (2013.01); E21B 19/16 (2013.01); E21B 19/20 (2013.01);
Abstract
Systems and methods for operating a land-based drilling rig apparatus include a dual-activity mast having a first fingerboard supported by the mast and disposed on a first side of the well center bore, and include a second fingerboard supported by the mast and disposed on a second side of the well center bore. The first and second fingerboards may permit simultaneous operations, such as tripping and casing stand assembly.