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:
Sep. 22, 2015

Filed:

Jul. 30, 2012
Applicants:

Thorsten Schwefe, Virginia Water, GB;

Dan Raz, Tirat Carmel, IL;

Gregory Rinberg, Tirat Carmel, IL;

Inventors:

Thorsten Schwefe, Virginia Water, GB;

Dan Raz, Tirat Carmel, IL;

Gregory Rinberg, Tirat Carmel, IL;

Assignee:

Baker Hughes Incorporated, Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/26 (2006.01); E21B 10/62 (2006.01); E21B 10/40 (2006.01);
U.S. Cl.
CPC ...
E21B 10/62 (2013.01); E21B 10/26 (2013.01); E21B 10/40 (2013.01);
Abstract

In one aspect, a drill bit is disclosed that in one embodiment includes a pad configured to extend and retract from a surface of the drill bit and a force application device configured to extend and retract the pad, wherein the force application device includes a force action member that includes a lever action device configured to extend and retract the pad from the drill bit surface. In another aspect, a method of drilling a wellbore is provided that in one embodiment includes: conveying a drill string having a drill bit at an end thereof, wherein the drill bit includes a pad configured to extend and retract from a surface of the drill bit and a force application device that includes a lever action device configured to extend and retract the pad from the surface of the drill bit; and rotating the drill bit to drill the wellbore.


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