Rotating drilling stabilizer

Abstract

A stabilizer and method for use in a wellbore are disclosed. The apparatus can include a rotary body disposed about a tubular and configured to rotate and axially-translate with respect to the tubular. The apparatus can also include a first anti-rotation device disposed axially adjacent the rotary body and configured to resist rotation and axial translation with respect to the tubular. The rotary body can be configured to engage the first anti-rotation device and rotationally lock therewith. The apparatus can also include a biasing member configured to bias apart the rotary body and the first anti-rotation device.

What is claimed is: 
     
         1 . A stabilizer apparatus for use in a wellbore, comprising:
 a rotary body disposed about a tubular;   a first anti-rotation device disposed axially adjacent the rotary body and configured to resist rotation and axial translation with respect to the tubular, wherein the rotary body is configured to slide axially to engage the first anti-rotation device and rotationally lock therewith; and   a biasing member configured to bias apart the rotary body and the first anti-rotation device.   
     
     
         2 . The apparatus of  claim 1 , further comprising a first stationary body comprising the first anti-rotation device, the first stationary body being positionally fixed to the tubular. 
     
     
         3 . The apparatus of  claim 2 , wherein the first stationary body provides an axial stop for the rotary body. 
     
     
         4 . The apparatus of  claim 2 , wherein the biasing member extends between the first stationary body and the rotary body. 
     
     
         5 . The apparatus of  claim 2 , wherein the first stationary body comprises a stop collar fixed to the tubular, a portion integrally formed with the tubular, or both. 
     
     
         6 . The apparatus of  claim 1 , wherein the rotary body further comprises an axial face defining a cutting surface, the cutting surface being configured to remove a partial obstruction of the wellbore when the rotary body engages the first anti-rotation device. 
     
     
         7 . The apparatus of  claim 1 , further comprising a second anti-rotation device disposed axially adjacent the rotary body such that the rotary body is positioned axially intermediate the first and second anti-rotation devices, wherein the rotary body is configured to axially translate to engage the second anti-rotation device and rotationally lock therewith. 
     
     
         8 . The apparatus of  claim 7 , further comprising a second stationary body comprising the second anti-rotation device, the second stationary body being positionally fixed with respect to the tubular. 
     
     
         9 . The apparatus of  claim 8 , wherein the biasing member extends between the second stationary body and the rotary body. 
     
     
         10 . The apparatus of  claim 8 , further comprising a second biasing member configured to bias apart the second anti-rotation device and the rotary body. 
     
     
         11 . The apparatus of  claim 1 , further comprising a secondary anti-rotation device coupled to the tubular and configured to expand and engage the rotary body such that the rotary body resists axial translation and rotation with respect to the tubular. 
     
     
         12 . The apparatus of  claim 11 , wherein the secondary anti-rotation device comprises:
 an inner profile extending into the tubular and configured to receive a shifting device; and   a gripping member coupled to the inner profile and configured to expand radially outwards to engage the rotary body, wherein the inner profile is configured to shift by receiving the shifting device and expand the gripping member.   
     
     
         13 . The apparatus of  claim 11 , wherein the secondary anti-rotation device comprises:
 an actuator configured to receive signals from a controller; and   a gripping member coupled to the tubular, wherein the actuator is configured to cause the gripping member to engage the rotary body when the controller signals the actuator to actuate.   
     
     
         14 . The apparatus of  claim 13 , wherein the actuator hydraulically expands the gripping member. 
     
     
         15 . A method of stabilizing a drill string, comprising:
 biasing the rotary body disposed on a tubular axially apart from a first stationary body disposed axially adjacent the rotary body;   radially engaging a wellbore wall with an outer diameter of the rotary body so as to centralize the drill string;   sliding the rotary body toward the first stationary body in response to an axial force; and   rotationally locking the rotary body and the first stationary body.   
     
     
         16 . The method of  claim 15 , wherein biasing the rotary body includes providing a restoring force to restore an axial offset between the rotary body and the first stationary body. 
     
     
         17 . The method of  claim 15 , further comprising rotating the rotary body relative the tubular when the rotary body and the first stationary body are not rotationally locked. 
     
     
         18 . The method of  claim 15 , wherein rotationally locking the rotary body and the first stationary body includes engaging the rotary body with an anti-rotation device of the first stationary body. 
     
     
         19 . The method of  claim 15 , further comprising actuating a secondary anti-rotation device to rotationally lock the rotary body and the tubular. 
     
     
         20 . The method of  claim 19 , wherein actuating the secondary anti-rotation device comprises deploying a shifting device into the wellbore to engage and shift the secondary anti-rotation device. 
     
     
         21 . The method of  claim 19 , wherein actuating the secondary anti-rotation device comprises signaling an actuator disposed in the wellbore with a controller. 
     
     
         22 . The method of  claim 15 , further comprising:
 biasing the rotary body from a second stationary body disposed axially adjacent the rotary body, such that the rotary body is disposed axially intermediate the first and second stationary bodies; and   sliding the rotary body toward the second stationary body in response to a second axial force; and   rotationally locking the rotary body and the second stationary body.   
     
     
         23 . The method of  claim 15 , further comprising removing a ledge with the rotary body rotationally locked with the first stationary body. 
     
     
         24 . A stabilizer for a drill string, comprising:
 a rotary body disposed about a tubular of the drill string and comprising first and second axial ends, and an outer diameter configured to engage a wellbore;   a first stationary body disposed axially adjacent the first axial end of the rotary body and comprising a first anti-rotation device configured to rotationally lock with the rotary body, the first stationary body being configured to resist axial translation and rotation with respect to the tubular;   a second stationary body disposed axially adjacent the second axial end of the rotary body and comprising a second anti-rotation device configured to rotationally lock with the rotary body, the second stationary body being configured to resist axial translation and rotation with respect to the tubular; and   one or more biasing members configured to bias the rotary body to a position intermediate and axially offset from both the first and second stationary bodies, wherein the rotary body is free to rotate with respect to the tubular unless rotationally locked with the first stationary body or the second stationary body.   
     
     
         25 . The stabilizer of  claim 24 , wherein at least one of the first and second anti-rotation devices is configured to slide between an inner diameter of the rotary body and the tubular and engage the inner diameter of the rotary body. 
     
     
         26 . The stabilizer of  claim 24 , wherein the rotary body comprises a cutting surface on at least one of the first and second axial ends, the cutting surface being configured to at least partially remove a ledge of the wellbore when the rotary body is rotationally locked with at least one of the first and second stationary bodies. 
     
     
         27 . The stabilizer of  claim 24 , wherein the rotary body is free from bearings disposed on the outer diameter. 
     
     
         28 . The stabilizer of  claim 24 , wherein at least one of the first and second stationary bodies comprises a stop collar fixed to the tubular. 
     
     
         29 . The stabilizer of  claim 24 , wherein at least a portion of at least one of the first and second stationary bodies is integrally formed with the tubular. 
     
     
         30 . The stabilizer of  claim 24 , wherein the one or more biasing members include:
 a first biasing member extending axially between the rotary body and the first stationary body; and   a second biasing members extending axially between the rotary body and the second stationary body.   
     
     
         31 . The stabilizer of  claim 24 , further comprising a secondary anti-rotation device coupled to the tubular and configured to expand and engage the rotary body such that the rotary body resists axial translation and rotation with respect to the tubular. 
     
     
         32 . The stabilizer of  claim 31 , wherein the secondary anti-rotation device comprises:
 an inner profile extending into the tubular and configured to receive a shifting tool; and   a gripping member coupled to the inner profile and configured to expand radially outwards to engage the rotary body, wherein the inner profile is configured to shift by receiving the shifting tool and expand the gripping member.   
     
     
         33 . The stabilizer of  claim 31 , wherein the secondary anti-rotation device comprises:
 an actuator configured to receive signals from a controller; and   a gripping member coupled to the tubular, wherein the actuator is configured to cause the gripping member to engage the rotary body when the controller signals the actuator to actuate.