Device to resist rotational forces while drilling a borehole
AssigneeNabors Lux 2 Sarl
InventorsSiamak Shahipassand, Patrick Reiners, Stig Bakke, Andrew Gorrara
Life of this patent
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Abstract
An antirotation stabilizer may include one or more antirotation pads extending from a stabilizer body. Each antirotation pad may be positioned at least partially within a recess formed in the stabilizer body. Each antirotation pad may be coupled to a torsion bar. The torsion bar may couple between the antirotation pad and the stabilizer body and may be under torsional loading such that the antirotation pad is extended from the stabilizer body. The antirotation stabilizer may include one or more rollers.
Claims12
An antirotation stabilizer positionable in a wellbore comprising:
- a stabilizer body having a recess formed therein;
- and
- an antirotation roller coupled to the stabilizer body and positioned at least partially within the recess, the antirotation roller biased outward into contact with the wellbore, the antirotation roller aligned at an angle to a longitudinal axis of the antirotation stabilizer.
A method comprising:
- providing an antirotation stabilizer including:
- a stabilizer body having a recess formed therein;
- and
- an antirotation roller coupled to the stabilizer body and positioned at least partially within the recess, the antirotation roller biased outward into contact with the wellbore, the antirotation roller aligned at an angle to a longitudinal axis of the antirotation stabilizer;
- positioning the antirotation stabilizer in an uncased portion of a wellbore;
- extending the antirotation roller from the stabilizer body;
- engaging the wellbore with the antirotation roller;
- and
- preventing rotation of the antirotation stabilizer relative to the wellbore.
An antirotation stabilizer positionable in a wellbore comprising:
- a stabilizer body having a recess formed therein;
- and
- an antirotation roller coupled to the stabilizer body and positioned at least partially within the recess, the antirotation roller biased outward into contact with the wellbore, the antirotation roller aligned at an angle to a longitudinal axis of the antirotation stabilizer, wherein the antirotation roller is aligned with a helix extending along the longitudinal axis of the antirotation stabilizer.
A method comprising:
- providing an antirotation stabilizer including:
- a stabilizer body having a recess formed therein;
- and
- an antirotation roller coupled to the stabilizer body and positioned at least partially within the recess, the antirotation roller biased outward into contact with the wellbore, the antirotation roller aligned at an angle to a longitudinal axis of the antirotation stabilizer wherein the antirotation roller is aligned with a helix extending along the longitudinal axis of the antirotation stabilizer;
- positioning the antirotation stabilizer in an uncased portion of a wellbore;
- extending the antirotation roller from the stabilizer body;
- engaging the wellbore with the antirotation roller;
- and
- preventing rotation of the antirotation stabilizer relative to the wellbore.
Dependencies are inferred from the claim text.