Inventory, Linefill and Base Gas and Long-term Inventory (Tables)

9 Months Ended

Sep. 30, 2013

Inventory, Linefill and Base Gas and Long-term Inventory

Components of inventory, linefill and base gas and long-term inventory

Inventory, linefill and base gas and long-term inventory consisted of the following as of the dates indicated (barrels and natural gas volumes in thousands and carrying value in millions):

	September 30, 2013						December 31, 2012
		Unit of	Carrying		Price/			Unit of	Carrying		Price/
	Volumes	Measure	Value		Unit (1)		Volumes	Measure	Value		Unit (1)
Inventory
Crude oil	5,624	barrels	$	535	$	95.13	9,492	barrels	$	737	$	77.64
NGL	13,767	barrels	539		$	39.15	9,472	barrels	388		$	40.96
Natural gas	29,443	Mcf	101		$	3.43	20,374	Mcf	60		$	2.94
Other	N/A		23		N/A		N/A		24		N/A
Inventory subtotal			1,198						1,209

Linefill and base gas
Crude oil	10,520	barrels	645		$	61.31	9,919	barrels	583		$	58.78
NGL	1,345	barrels	64		$	47.58	1,400	barrels	70		$	50.00
Natural gas	17,615	Mcf	61		$	3.46	15,755	Mcf	54		$	3.43
Linefill and base gas subtotal			770						707

Long-term inventory
Crude oil	2,134	barrels	167		$	78.26	1,962	barrels	149		$	75.94
NGL	1,161	barrels	51		$	43.93	3,238	barrels	125		$	38.60
Long-term inventory subtotal			218						274

Total			$	2,186					$	2,190

(1) Price per unit of measure represents a weighted average associated with various grades, qualities and locations. Accordingly, these prices may not coincide with any published benchmarks for such products.