US2006278440A1PendingUtilityA1

Downhole stabilizer

Individually held — no corporate assignee on recordPriority: Jun 13, 2005Filed: Sep 16, 2005Published: Dec 14, 2006

Est. expiryJun 13, 2025(expired)· nominal 20-yr term from priority

Inventors:William Wenzel

E21B 17/1078

PatentIndex Score

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References

Claims

Abstract

A stabilizer comprised of a tubular body which has an exterior surface with selectively positioned indentations. A sleeve is positioned over the tubular body. The sleeve has an interior surface in contact with the exterior surface and a plurality of radial longitudinally oriented vanes. A plurality of radial apertures extend through the sleeve. The sleeve is secured to the body against rotation or axial movement by set screws. Each of the set screws extend through one of the apertures of the sleeve to engage on to the indentation in the exterior surface of the body.

Claims

exact text as granted — not AI-modified

1 . A stabilizer, comprising: 
 a tubular body having an exterior surface with selectively positioned indentations; and    a sleeve positioned over the tubular body, the sleeve having an interior surface in contact with the exterior surface, the sleeve having a plurality of radial vanes, a plurality of radial apertures extending through the sleeve, the sleeve being secured to the body against rotation or axial movement by set screws, each of the set screws extending through one of the apertures of the sleeve to engage on to the indentation in the exterior surface of the body.    
   
   
       2 . The stabilizer as defined in  claim 1 , wherein the selectively positioned indentions are positioned at regular intervals.  
   
   
       3 . The stabilizer as defined in  claim 1 , the plurality of radial apertures are positioned on the radial vanes where the sleeve is thickest.

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