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Oil and Natural Gas Property Transactions (Tables) | 3 Months Ended
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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 |

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