Oil and Natural Gas Property Transactions (Tables)

3 Months Ended

Mar. 31, 2017

Property, Plant and Equipment [Abstract]

VPP Transactions

As of March 31, 2017, 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 Produced During Period

The volumes produced on behalf of our VPP buyers during the Current Quarter and the Prior Quarter were as follows:

Three Months Ended March 31, 2017
VPP #	Oil	Natural Gas	NGL	Total
	(mbbl)	(bcf)	(mbbl)	(bcfe)
9	35.9	3.1	82.8	3.8
Three Months Ended March 31, 2016
VPP #	Oil	Natural Gas	NGL	Total
	(mbbl)	(bcf)	(mbbl)	(bcfe)
10(a)	66.0	1.8	222.7	3.5
9	39.4	3.4	89.3	4.1
4(a)	10.1	1.9	—	2.0
3(a)	—	1.5	—	1.5
2(a)	—	0.9	—	0.9
1(a)	—	3.3	—	3.3
	115.5	12.8	312.0	15.3

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(a) In connection with certain asset divestitures in 2016, we purchased the remaining oil and natural gas interests previously sold in connection with VPP #10, VPP #4, VPP #3, VPP #2 and VPP #1. A majority of the oil and natural gas interests purchased were subsequently sold to the buyers of the assets.

VPP Volumes Remaining to Be Delivered

The volumes remaining to be delivered on behalf of our VPP buyers as of March 31, 2017 were as follows:

		Volume Remaining as of March 31, 2017
VPP #	Term Remaining	Oil	Natural Gas	NGL	Total
	(in months)	(mmbbl)	(bcf)	(mmbbl)	(bcfe)
9	47	0.5	42.8	1.1	52.5