Patent ID: 9689213
Date: 2017-06-27
CPC Classifications: E21B

Claim:
1. A stabilizer for use in a drill string, the stabilizer comprising: a body with an elongated axis, the body having an elongated cavity formed in an exterior surface of the body with a track formed along the cavity; an elongated stabilizer blade having a first end, a second end, an outer surface and an inner surface with a track formed along the inner surface; a sliding block having a first follower disposed to slidingly engage the track of the stabilizer blade, a second follower disposed to slidingly engage the track of the body and a threaded through bore formed in the block along a through bore axis; and an elongated shaft having a first end and a second end and having an exterior surface at least partially threaded between the first end and the second end, wherein the threaded surface of the shaft engages the threaded through bore of the block; wherein the track of the body is substantially parallel with the elongated axis of the body and the track of the blade is inclined relative to the elongated axis of the body.