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:
Sep. 23, 2014
Filed:
Mar. 13, 2013
Nabors Drilling International Limited, Hamilton, BM;
Anthony Petrello, Houston, TX (US);
Padira Reddy, Richmond, TX (US);
Ashish Gupta, Houston, TX (US);
Sean M. Bailey, Willis, TX (US);
Nabors Drilling International Limited, Hamilton, BM;
Abstract
A method includes accommodating a first mast section of a mast on a mast cart below a floor of a platform, the mast comprising a plurality of mast sections, and elevating, using actuators located on the mast cart, the first mast section through an opening in the platform. The method also includes attaching the first mast section to the platform using a plurality of holding locks located on the platform, accommodating a second mast section on the mast cart below the floor of the platform, and elevating the second mast section to the first mast section using the actuators. The method also includes attaching the first mast section to the second mast section, detaching the first mast section from the platform, elevating the first mast section and the second mast section through the opening using the actuators, and attaching the second mast section to the platform using the holding locks.