Price-Risk Management Price-Risk Management (Tables)

3 Months Ended

Mar. 31, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments [Table Text Block]

The following tables summarize the weighted average prices as well as future production volumes for our unsettled derivative contracts in place as of March 31, 2018:

Oil Derivative Swaps (NYMEX WTI Settlements)	Total Volumes (Bbls)	Weighted Average Price
2018 Contracts
2Q18	140,400	$	52.57
3Q18	130,400	$	52.40
4Q18	122,800	$	52.23
2019 Contracts
1Q19	107,700	$	52.77
2Q19	103,200	$	52.72
3Q19	99,000	$	52.79
4Q19	95,000	$	52.73
2020 Contracts
1Q20	81,300	$	52.42
2Q20	77,850	$	52.38
3Q20	74,700	$	52.34
4Q20	72,000	$	52.29

Natural Gas Derivative Contracts (NYMEX Henry Hub Settlements)	Total Volumes (MMBtu)	Weighted Average Price
2018 Contracts
2Q18	5,868,000	$	2.87
3Q18	9,834,000	$	2.88
4Q18	11,241,000	$	2.96
2019 Contracts
1Q19	7,516,000	$	3.08
2Q19	6,060,000	$	2.83
3Q19	5,550,000	$	2.84
4Q19	5,966,000	$	2.84
2020 Contracts
1Q20	5,370,000	$	2.83
2Q20	3,688,000	$	2.76
3Q20	3,585,000	$	2.76
4Q20	3,362,000	$	2.77

NGL Contracts	Total Volumes (Bbls)	Weighted Average Price
2018 Contracts
2Q18	118,200	$	24.78
3Q18	112,200	$	24.78
4Q18	148,200	$	24.78

Natural Gas Basis Derivative Swap (East Texas Houston Ship Channel vs NYMEX Settlements)	Total Volumes (MMBtu)	Weighted Average Price
2018 Contracts
2Q18	5,765,000	$	(0.040	)
3Q18	9,460,000	$	(0.020	)
4Q18	10,550,000	$	(0.080	)
2019 Contracts
1Q19	1,200,000	$	(0.100	)
2Q19	1,205,000	$	0.020
3Q19	1,210,000	$	0.020
4Q19	1,210,000	$	(0.050	)

Oil Basis Contracts	Total Volumes (Bbls)	Weighted Average Price
2018 Contracts
2Q18	80,000	$	4.13
3Q18	120,000	$	4.13
4Q18	120,000	$	4.13