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.

Date of Patent:
Apr. 07, 2015

Filed:

Mar. 13, 2013
Applicant:

Nabors Drilling International Limited, Hamilton, BM;

Inventors:

Padira Reddy, Richmond, TX (US);

Ashish Gupta, Houston, TX (US);

Sean M. Bailey, Willis, TX (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04B 1/00 (2006.01); E21B 15/00 (2006.01);
U.S. Cl.
CPC ...
E21B 15/00 (2013.01);
Abstract

A method including arranging a plurality of actuators into an operating position, arranging a first upper frame and a second upper frame proximate the actuators, attaching a support to the first upper frame and the second upper frame, wherein the support is located above the actuators, and extending the actuators to engage the support. The method also includes extending the actuators to raise the support, the first upper frame, and the second upper frame to a first position, arranging a first middle frame below the first upper frame and a second middle frame below the second upper frame, retracting the actuators to lower the support, the first upper frame, and the second upper frame to a second position, and attaching the first upper frame to the first middle frame and attaching the second upper frame to the second middle frame.


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