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:
Jul. 12, 2016

Filed:

Nov. 26, 2014
Applicant:

Fugro Engineers B.v., Leidschendam, NL;

Inventor:

Peter Looijen, Leidschendam, NL;

Assignee:

FUGRO ENGINEERS B.V., Leidschendam, NL;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 19/18 (2006.01); E21B 17/01 (2006.01); E21B 19/00 (2006.01); B63B 35/44 (2006.01); E21B 7/12 (2006.01); E21B 7/128 (2006.01);
U.S. Cl.
CPC ...
E21B 19/18 (2013.01); B63B 35/4413 (2013.01); E21B 7/122 (2013.01); E21B 7/128 (2013.01); E21B 17/01 (2013.01); E21B 19/006 (2013.01);
Abstract

Offshore drilling installation comprising a platform selected from the group comprising a vessel, a pontoon, a jack-up, and further comprising a drill string drivingly connected with said platform and optionally provided with a heave motion compensator, wherein at its lower end the drill string is pro-vided with a drill bit, and wherein a seabed template suspended with lift wires from the platform is placed on a seabed, and wherein clamping means mounted in the seabed template are provided for fixing the drill string relative to the seabed template, which clamping means are embodied as a chuck which is arranged for clamping the drill string whilst enabling the drill string's rotation.


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