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

6 Months Ended

Jun. 30, 2018

Inventory, Linefill and Base Gas and Long-term Inventory

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

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

	June 30, 2018						December 31, 2017
	Volumes	Unit of Measure	Carrying Value		Price/ Unit (1)		Volumes	Unit of Measure	Carrying Value		Price/ Unit (1)
Inventory
Crude oil	5,188	barrels	$	359	$	69.20	7,800	barrels	$	402	$	51.54
NGL	10,583	barrels	262		$	24.76	10,774	barrels	294		$	27.29
Other	N/A		15		N/A		N/A		17		N/A
Inventory subtotal			636						713
Linefill and base gas
Crude oil	12,410	barrels	716		$	57.70	12,340	barrels	719		$	58.27
NGL	1,562	barrels	42		$	26.89	1,597	barrels	45		$	28.18
Natural gas	24,976	Mcf	108		$	4.32	24,976	Mcf	108		$	4.32
Linefill and base gas subtotal			866						872
Long-term inventory
Crude oil	1,903	barrels	113		$	59.38	1,870	barrels	105		$	56.15
NGL	2,352	barrels	56		$	23.81	2,167	barrels	59		$	27.23
Long-term inventory subtotal			169						164
Total			$	1,671					$	1,749

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