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Inventory (Tables)

6 Months Ended

Jun. 30, 2018

Inventory Disclosure [Abstract]

Components of Inventory

Total inventory consists of the following:

	June 30, 2018				December 31, 2017
	(In thousands)
Inventory
Crude oil inventory	$	7,000			$	10,427
Equipment and materials	16,222				8,940
Total inventory	$	23,222			$	19,367
Long-term inventory
Linefill in third-party pipelines	$	12,505			$	12,200
Long-term inventory	$	12,505			$	12,200
Total	$	35,727			$	31,567

Components of Long-term Inventory

Total inventory consists of the following:

	June 30, 2018				December 31, 2017
	(In thousands)
Inventory
Crude oil inventory	$	7,000			$	10,427
Equipment and materials	16,222				8,940
Total inventory	$	23,222			$	19,367
Long-term inventory
Linefill in third-party pipelines	$	12,505			$	12,200
Long-term inventory	$	12,505			$	12,200
Total	$	35,727			$	31,567

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Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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Tabular disclosure of inventories not expected to be converted to cash, sold or exchanged within the normal operating cycle including inventoried costs relating to long-term contracts or programs.

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