Measurement Differences


	Mesa 30


	2006


	API

	Total Barrels

	Barrels Loss

	Barrels Loss

	Mean NSV Loss

	Standard Deviation

	Number of Records


	30.30


	22,701,268


	-4,092


	-0.02

%


	-0.04

%


	0.24

	30

%


	2005


	Mean NSV Loss

	Standard Deviation

	Number of Records


	-0.01

	0.25

	53

%

%