Product and Service  
 Cementing Tools 
 Centalizers
        1. Used for cased hole.
2. Larger flow area than conventional rigid centralizer.
3. Non-welded, pressed by punching, high strength.
4. Hinged design allows convenient field installation.
5. Can be unfolded and stacked flatly, saving storage and transportation cost.
| 
					 Casing Size  | 
				
					 Hole Size  | 
				
					 Max O.D.  | 
			|
| 
					 in.  | 
				
					 in.  | 
				
					 mm  | 
				
					 in.  | 
			
| 
					 4-1/2  | 
				
					 6  | 
				
					 146.1  | 
				
					 5.752  | 
			
| 
					 5  | 
				
					 6-1/2  | 
				
					 158.8  | 
				
					 6.252  | 
			
| 
					 5-1/2  | 
				
					 8-1/2  | 
				
					 209.6  | 
				
					 8.252  | 
			
| 
					 7  | 
				
					 8-1/2  | 
				
					 209.6  | 
				
					 8.252  | 
			
| 
					 7-5/8  | 
				
					 9-1/2  | 
				
					 235  | 
				
					 9.252  | 
			
| 
					 9-5/8  | 
				
					 12-1/4  | 
				
					 304.8  | 
				
					 12.000  | 
			
| 
					 10-3/4  | 
				
					 12-1/4  | 
				
					 304.8  | 
				
					 12.000  | 
			
| 
					 13-3/8  | 
				
					 16  | 
				
					 400  | 
				
					 15.748  | 
			
| 
					 13-3/8  | 
				
					 17-1/2  | 
				
					 438  | 
				
					 17.244  |