| Tool | Description | 
		
			| 
                        MRFA-E
                    
 | Optical Density Model (Oil Based Mud Contamination Monitoring Methane Model) | 
		
			| 
                        MRFA-EA
                    
 | Optical Density Model (Oil Based Mud Contamination Monitoring Methane Model) | 
		
			| 
                        MRFA-NE
                    
 | Optical Density Model (Oil Based Mud Contamination Monitoring Methane Model) | 
		
			| 
                        MRFA-NPB
                    
 | Optical Density Model (Oil Based Mud Contamination Monitoring Methane Model) | 
		
			| 
                        MRFA-NSA
                    
 | Optical Density Model (Oil Based Mud Contamination Monitoring Methane Model) | 
		
			| 
                        MRFA-PB
                    
 | Optical Density Model (Oil Based Mud Contamination Monitoring Methane Model) | 
		
			| 
                        MRFA-SA
                    
 | Optical Density Model (Oil Based Mud Contamination Monitoring Methane Model) |