Measurement Differences


	Al Shaheen


	2006


	API

	Total Barrels

	Barrels Loss

	Barrels Loss

	Mean NSV Loss

	Standard Deviation

	Number of Records


	27.70


	41,445,628


	-47,538


	-0.11

%


	-0.09

%


	0.29

	63

%


	2005


	Mean NSV Loss

	Standard Deviation

	Number of Records


	-0.25

	0.24

	46

%

%