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:
Apr. 08, 2014
Filed:
Nov. 23, 2010
Sven Krueger, Niedersachsen, DE;
Michael Koppe, Niedersachsen, DE;
Bernd Santelmann, Niedersachsen, DE;
Thomas Kelch, Niedersachsen, DE;
Niko Spreckelmeyer, Lower Saxony, DE;
Olof Hummes, Northrhine-Westfalia, DE;
Sven Krueger, Niedersachsen, DE;
Michael Koppe, Niedersachsen, DE;
Bernd Santelmann, Niedersachsen, DE;
Thomas Kelch, Niedersachsen, DE;
Niko Spreckelmeyer, Lower Saxony, DE;
Olof Hummes, Northrhine-Westfalia, DE;
Baker Hughes Incorporated, Houston, TX (US);
Abstract
An apparatus for use in a wellbore is provided, which in one embodiment includes a drilling motor and a steering unit placed about a shaft between a lower section of a stator in the motor and a drill bit. The steering unit includes a substantially non-rotating member and a force application member on the non-rotating member configured to radially extend the force application member from the non-rotating member. In another embodiment, the steering unit may include, rotating member configured to rotate a drill bit, a steering member configured to orient the drill bit along a selected direction, a first steering device configured to orient the steering member in the wellbore, and a second steering device configured to maintain orientation of the steering member when drilling the wellbore.