| Tool | Description | 
		
			| 
                        ADN4
                    
 | Photoelectric Ratio, Bottom Quadrant, Computed Downhole | 
		
			| 
                        ADN6C
                    
 | Photoelectric Ratio, Bottom Quadrant, Computed Downhole | 
		
			| 
                        ADN8
                    
 | Photoelectric Ratio, Bottom Quadrant, Computed Downhole | 
		
			| 
                        SADN8
                    
 | Photoelectric Ratio, Bottom Quadrant, Computed Downhole |