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:
Feb. 25, 2020

Filed:

May. 17, 2019
Applicant:

Maersk Drilling A/s, Kgs. Lyngby, DK;

Inventors:

Michael Kannegaard, Espergaerde, DK;

Allan McColl, Glasgow, GB;

Jesper Holck, Humlebaek, DK;

Assignee:

Maersk Drilling A/S, Copenhagen K, DK;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 15/02 (2006.01); E21B 7/12 (2006.01); E21B 3/02 (2006.01); E21B 19/084 (2006.01); E21B 19/14 (2006.01); E21B 21/00 (2006.01);
U.S. Cl.
CPC ...
E21B 15/02 (2013.01); E21B 3/02 (2013.01); E21B 7/12 (2013.01); E21B 19/084 (2013.01); E21B 19/143 (2013.01); E21B 21/001 (2013.01);
Abstract

An offshore drilling rig includes a drill deck, at least one primary well center and a diverter system arranged below the primary well center, a drilling support structure extending upwardly from the drill deck and above the primary well center and the other work center and a first and a second hoisting system supported by the drilling support structure and being adapted for raising or lowering a first and a second load carrier, respectively, and where the offshore drilling rig includes a positioning system adapted for selectively positioning at least the first load carrier in at least a first or a second horizontal position different from the first horizontal position, where the first load carrier in the first horizontal position is positioned above the primary well center, and in the second horizontal position is positioned above the other work center.


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