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. 10, 2020
Filed:
Jul. 21, 2017
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); E21B 19/14 (2006.01); E04H 12/34 (2006.01);
U.S. Cl.
CPC ...
E21B 15/00 (2013.01); E04H 12/345 (2013.01); E21B 15/003 (2013.01); E21B 19/14 (2013.01);
Abstract
A pipe handling apparatus includes a lower mast, upper mast, and trailer. The lower mast and upper mast may be pivotably coupled at a hinge point. The trailer may be coupled to the lower mast by a hydraulic cylinder. The pipe handling apparatus may be transported to a drilling rig and the lower mast mechanically coupled to the drilling rig. The upper mast may be pivoted relative to the lower mast at the hinge point. The lower mast and upper mast may be pivoted from the horizontal position to the vertical position by the hydraulic cylinder.