Measurement Differences


	El Sharara


	2006


	API

	Total Barrels

	Barrels Loss

	Barrels Loss

	Mean NSV Loss

	Standard Deviation

	Number of Records


	42.30


	26,920,734


	-48,643


	-0.18

%


	-0.17

%


	0.16

	40

%


	2005


	Mean NSV Loss

	Standard Deviation

	Number of Records


	-0.10

	0.19

	26

%

%