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.:

US 8393416 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 12, 2013

Filed:

Aug. 10, 2009
Applicants:

Andreas Beck, Bogen, DE;

Christian Kerschl, Deggendorf, DE;

Inventors:

Andreas Beck, Bogen, DE;

Christian Kerschl, Deggendorf, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 15/00 (2006.01); E21B 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

There is provided a drilling rig for use on a drilling platform, comprising a drilling mast having at least two segments and a feed carriage, said drilling mast being adapted to be constructed in such a manner that at least one segment is displaced upwardly by means of the feed carriage. A mounting method in accordance with the invention for a drilling mast having at least two segments comprises the following steps: fixing of a feed carriage, providing of a mast segment below the feed carriage, and displacing the mast segment upwardly by means of the feed carriage. Due to this, additional auxiliary devices for constructing the drilling mast are not required, and space may be saved.


Find Patent Forward Citations

Beck, Andreas. (2013). Drilling rig and mounting method therefor (U.S. Patent No. 8393416). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8393416

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