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9. Derivative Instruments (Details-Outstanding derivative contracts) | 9 Months Ended
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Sep. 30, 2015 $ / Boe bbl
Crude Oil Swaps 1 [Member] |
Outstanding derivative contracts Settlement Period | October 1, 2015 - December 31, 2015
Outstanding derivative contracts, amount of oil (in Barrels) | bbl | 6,000
Outstanding derivative contract, fixed price | 88.28
Crude Oil Swaps 2 [Member] |
Outstanding derivative contracts Settlement Period | October 1, 2015 - December 31, 2015
Outstanding derivative contracts, amount of oil (in Barrels) | bbl | 5,250
Outstanding derivative contract, fixed price | 89.70
Crude Oil Swaps 3 [Member] |
Outstanding derivative contracts Settlement Period | October 1, 2015 - December 31, 2015
Outstanding derivative contracts, amount of oil (in Barrels) | bbl | 3,000
Outstanding derivative contract, fixed price | 92.38
Crude Oil Swaps 4 [Member] |
Outstanding derivative contracts Settlement Period | October 1, 2015 - December 31, 2015
Outstanding derivative contracts, amount of oil (in Barrels) | bbl | 7,500
Outstanding derivative contract, fixed price | 90.16
Crude Oil Swaps 5 [Member] |
Outstanding derivative contracts Settlement Period | October 1, 2015 - December 31, 2015
Outstanding derivative contracts, amount of oil (in Barrels) | bbl | 36,000
Outstanding derivative contract, fixed price | 61.87
Crude Oil Swaps 6 [Member] |
Outstanding derivative contracts Settlement Period | April 1, 2016 - May 31, 2016
Outstanding derivative contracts, amount of oil (in Barrels) | bbl | 15,000
Outstanding derivative contract, fixed price | 62.88
Crude Oil Swaps 7 [Member] |
Outstanding derivative contracts Settlement Period | April 1, 2016 - May 31, 2016
Outstanding derivative contracts, amount of oil (in Barrels) | bbl | 10,000
Outstanding derivative contract, fixed price | 90.36
Crude Oil Swaps 8 [Member] |
Outstanding derivative contracts Settlement Period | April 1, 2016 - May 31, 2016
Outstanding derivative contracts, amount of oil (in Barrels) | bbl | 4,000
Outstanding derivative contract, fixed price | 88.15
Crude Oil Costless Collars1 [Member] |
Outstanding derivative contracts Settlement Period | October 1, 2015 - December 31, 2015
Outstanding derivative contracts, amount of oil (in Barrels) | bbl | 9,000
Outstanding derivative contracts Floor/Ceiling basis | NYMEX
Crude Oil Costless Collars1 [Member] | Minimum [Member] |
Outstanding derivative contract, fixed price | 75.00
Crude Oil Costless Collars1 [Member] | Maximum [Member] |
Outstanding derivative contract, fixed price | 95.60
Crude Oil Costless Collars2 [Member] |
Outstanding derivative contracts Settlement Period | April 1, 2016 – May 31, 2016
Outstanding derivative contracts, amount of oil (in Barrels) | bbl | 3,334
Outstanding derivative contracts Floor/Ceiling basis | NYMEX
Crude Oil Costless Collars2 [Member] | Minimum [Member] |
Outstanding derivative contract, fixed price | 80.00
Crude Oil Costless Collars2 [Member] | Maximum [Member] |
Outstanding derivative contract, fixed price | 89.50

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- Definition Total amount of product committed to be supplied under existing contracts or agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1207 -Paragraph (a) -Subparagraph (2) + Details
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