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		Sensitive Clays
 
		Formation Damage
 
		Rock-log Calibration
 
		Low-resistivity Pay
 
		Resource Plays
 
		Tight Gas
 
		Fractures
 
		Wettability
	
	
	 
	
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		Reservoir Rock Analysis
	
	
		Optical & Scanning Electron Microscopy 
	
	
	
	
		Chlorite Clay
  
		Gels in contact with Hydrochloric acid; causing formation damage.
  
		Microporosity decreases resistivity on logs. 
	
	
		Slide Show
	
	
	
	
	
		Enlargement of boxed area at left.
	
	
		Rock sample from the University of Texas, Bureau of Economic Geology.