Measurement Differences


	Ratawi


	2006


	API

	Total Barrels

	Barrels Loss

	Barrels Loss

	Mean NSV Loss

	Standard Deviation

	Number of Records


	24


	14,623,351


	-24,446


	-0.17

%


	-0.16

%


	0.25

	33

%


	2005


	Mean NSV Loss

	Standard Deviation

	Number of Records


	-0.22

	0.28

	40

%

%