Oil and Natural Gas Property Transactions (Tables)

3 Months Ended

Mar. 31, 2018

Property, Plant and Equipment [Abstract]

VPP Transactions

As of March 31, 2018, we had the following VPP outstanding:

					Volume Sold
VPP #	Date of VPP	Location	Proceeds		Oil	Natural Gas	NGL	Total
			($ in millions)		(mmbbl)	(bcf)	(mmbbl)	(bcfe)
9	May 2011	Mid-Continent	$	853	1.7	138	4.8	177

VPP Volumes Remaining to Be Delivered

The volumes remaining to be delivered on behalf of our VPP buyers as of March 31, 2018 were as follows:

		Volume Remaining as of March 31, 2018
VPP #	Term Remaining	Oil	Natural Gas	NGL	Total
	(in months)	(mmbbl)	(bcf)	(mmbbl)	(bcfe)
9	35	0.4	31.3	0.8	38.2