Shaped Standoff

Abstract

A standoff for use in conveying tools into a wellbore has a body. The body has a plurality of blades located thereon. Each of the plurality of blades has a contact area. Each of the contact areas is shaped to match the shape of the wellbore.

What is claimed is: 
     
         1 . A standoff comprising:
 a body; and   a plurality of blades located on the body, wherein each of the blades has a radius on a contact side that matches the shape of a wellbore wall.   
     
     
         2 . The standoff of  claim 1 , wherein the radius of the contact side is equal to the diameter of the wellbore. 
     
     
         3 . The standoff of  claim 1 , wherein the body has a pair of halves joined by a hinge assembly. 
     
     
         4 . The standoff of  claim 3 , wherein the body has a lock assembly located thereon for connecting two ends of the halves together. 
     
     
         5 . The standoff of  claim 1 , wherein an inner surface of the body has a retaining lip formed thereon. 
     
     
         6 . The standoff of  claim 1 , wherein the body is unitary. 
     
     
         7 . The standoff of  claim 1 , wherein the body includes at least two segments. 
     
     
         8 . A method of running a tool into a wellbore, wherein the method comprises:
 connecting a downhole tool with a cable;   connecting a standoff to the downhole tool, wherein the standoff comprises a body with a plurality of blades located thereon, and wherein each of the blades has a radius on a contact side that matches the shape of a wellbore wall.   
     
     
         9 . The method of  claim 8 , wherein the downhole tool is a tractor, logging tool, shifting tool, intervention tool, or combinations thereof. 
     
     
         10 . The method of  claim 8 , wherein the cable is a wireline cable. 
     
     
         11 . The method of  claim 8 , wherein connecting the standoff to the downhole tool comprises aligning a retaining lip on an inner surface of the body with a groove located on an exterior of the downhole tool. 
     
     
         12 . An assembly for conveyance into a wellbore to perform an operation, wherein the assembly comprises:
 a downhole tool;   a standoff disposed about the downhole tool; wherein the standoff comprises:
 a body disposed about the downhole tool; and 
 a plurality of blades located on the body, wherein each of the blades has a radius on a contact side that matches the shape of a wellbore wall. 
   
     
     
         13 . The assembly of  claim 12 , wherein the radius of the contact side is equal to the diameter of the wellbore. 
     
     
         14 . The assembly of  claim 12 , wherein the body has a pair of halves joined by a hinge assembly. 
     
     
         15 . The assembly of  claim 14 , wherein the body has a lock assembly located thereon for connecting two ends of the halves together. 
     
     
         16 . The assembly of  claim 12 , wherein an inner surface of the body has a retaining lip formed thereon.