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

12 Months Ended

Dec. 31, 2017

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):



	December 31, 2017						December 31, 2016
	Volumes	Unit of Measure	Carrying Value		Price/ Unit ⁽¹⁾		Volumes	Unit of Measure	Carrying Value		Price/ Unit ⁽¹⁾
Inventory
Crude oil	7,800	barrels	$	402	$	51.54	23,589	barrels	$	1,049	$	44.47
NGL	10,774	barrels	294		$	27.29	13,497	barrels	242		$	17.93
Natural gas	—	Mcf	—		$	—	14,540	Mcf	32		$	2.20
Other	N/A		17		N/A		N/A		20		N/A
Inventory subtotal			713						1,343

Linefill and base gas
Crude oil	12,340	barrels	719		$	58.27	12,273	barrels	710		$	57.85
NGL	1,597	barrels	45		$	28.18	1,660	barrels	45		$	27.11
Natural gas	24,976	Mcf	108		$	4.32	30,812	Mcf	141		$	4.58
Linefill and base gas subtotal			872						896

Long-term inventory
Crude oil	1,870	barrels	105		$	56.15	3,279	barrels	163		$	49.71
NGL	2,167	barrels	59		$	27.23	1,418	barrels	30		$	21.16
Long-term inventory subtotal			164						193

Total			$	1,749					$	2,432


⁽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.