Measurement Differences


	Benchamas


	2006


	API

	Total Barrels

	Barrels Loss

	Barrels Loss

	Mean NSV Loss

	Standard Deviation

	Number of Records


	42


	12,542,523


	-75,330


	-0.60

%


	-0.52

%


	0.54

	37

%


	2005


	Mean NSV Loss

	Standard Deviation

	Number of Records


	-

	-

	-

%

%