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US 2012/0073876 A1Published application
Apparatus and Method for Drilling Wellbores
AssigneeBaker Hughes Incorporated
InventorSven Krueger
Life of this patent
Estimating the term…
Abstract
In an aspect, an apparatus for use in a wellbore includes a tubular and a drilling assembly configured to carry a drill bit at an end thereof, wherein the drilling assembly is configured to be positioned within the tubular, wherein the tubular and drilling assembly are configured to be run in the wellbore together. The apparatus also includes an actuation device in the tubular configured to selectively extend the drilling assembly from and retract the drilling assembly into the tubular.
Claims20
An apparatus for use in a wellbore, comprising:
- a tubular;
- a drilling assembly configured to carry a drill bit at an end thereof, wherein the drilling assembly is configured to be positioned within the tubular, wherein the tubular and drilling assembly are configured to be run in the wellbore together;
- and
- an actuation device in the tubular configured to selectively extend the drilling assembly from and retract the drilling assembly into the tubular.
1 more element
A method of drilling a wellbore, comprising:
- conveying a tubular containing a drill string into a wellbore, the drill string including a drilling assembly axially movable within the tubular;
- and
- selectively extending the drilling assembly from and retracting the drilling assembly into the tubular during drilling of the wellbore.
An apparatus for use in a wellbore, comprising:
- a tubular;
- a drilling assembly configured to carry a drill bit at an end thereof, wherein the drilling assembly is configured to be positioned within the tubular;
- and
- a thruster coupled to the drilling assembly, the thruster configured to selectively extend the drilling assembly from and retract the drilling assembly into the tubular in an axial direction during a drilling operation.
1 more element
Dependencies are inferred from the claim text.