Measurement Differences


	Eocene


	2006


	API

	Total Barrels

	Barrels Loss

	Barrels Loss

	Mean NSV Loss

	Standard Deviation

	Number of Records


	18.39


	16,421,093


	-17,405


	-0.11

%


	-0.09

%


	0.38

	34

%


	2005


	Mean NSV Loss

	Standard Deviation

	Number of Records


	-0.12

	0.44

	38

%

%