Subsequent Events (Tables)

3 Months Ended

Mar. 31, 2019

Crude Oil

Derivative [Line Items]

Schedule of Derivative Instruments

As of March 31, 2019, the Company had the following outstanding commodity derivative instruments at weighted average contract volumes and prices:

Commodity	Period	Type of Contract	Index	Volumes (Bbls per day)	Fixed Price ($ per Bbl)		Sub-Floor Price ($ per Bbl)		Floor Price ($ per Bbl)		Ceiling Price ($ per Bbl)		Fixed Price Differential ($ per Bbl)
Crude oil	2Q19	Three-Way Collars	NYMEX WTI	27,000	—			$41.67		$50.96		$74.23	—
Crude oil	2Q19	Basis Swaps	LLS-WTI Cushing	6,000	—		—		—		—			$5.16
Crude oil	2Q19	Basis Swaps	WTI Midland-WTI Cushing	7,609	—		—		—		—			($4.38	)
Crude oil	2Q19	Sold Call Options	NYMEX WTI	3,875	—		—		—			$81.07	—
Crude oil	3Q19	Three-Way Collars	NYMEX WTI	27,000	—			$41.67		$50.96		$74.23	—
Crude oil	3Q19	Basis Swaps	LLS-WTI Cushing	6,000	—		—		—		—			$5.16
Crude oil	3Q19	Basis Swaps	WTI Midland-WTI Cushing	9,100	—		—		—		—			($4.44	)
Crude oil	3Q19	Sold Call Options	NYMEX WTI	3,875	—		—		—			$81.07	—
Crude oil	4Q19	Three-Way Collars	NYMEX WTI	27,000	—			$41.67		$50.96		$74.23	—
Crude oil	4Q19	Basis Swaps	WTI Midland-WTI Cushing	9,200	—		—		—		—			($4.64	)
Crude oil	4Q19	Sold Call Options	NYMEX WTI	3,875	—		—		—			$81.07	—
Crude oil	2020	Price Swaps	NYMEX WTI	3,000		$55.06	—		—		—		—
Crude oil	2020	Three-Way Collars	NYMEX WTI	6,000	—			$45.00		$55.00		$64.69	—
Crude oil	2020	Basis Swaps	WTI Midland-WTI Cushing	10,658	—		—		—		—			($1.68	)
Crude oil	2020	Sold Call Options	NYMEX WTI	4,575	—		—		—			$75.98	—
Crude oil	2021	Basis Swaps	WTI Midland-WTI Cushing	8,000	—		—		—		—			$0.18

In April 2019, the Company entered into the following commodity derivative instruments at weighted average contract volumes and prices:

Commodity	Period	Type of Contract	Index	Volumes (Bbls per day)	Fixed Price ($ per Bbl)		Sub-Floor Price ($ per Bbl)		Floor Price ($ per Bbl)		Ceiling Price ($ per Bbl)		Fixed Price Differential ($ per Bbl)
Crude oil	2Q19	Price Swaps	NYMEX WTI	3,352		$64.80	—		—		—		—
Crude oil	3Q19	Price Swaps	NYMEX WTI	5,000		$64.80	—		—		—		—
Crude oil	4Q19	Price Swaps	NYMEX WTI	5,000		$64.80	—		—		—		—
Crude oil	2020	Three-Way Collars	NYMEX WTI	6,000	—			$46.25		$56.25		$67.39	—

Natural Gas

Derivative [Line Items]

Schedule of Derivative Instruments

Commodity	Period	Type of Contract	Index	Volumes (MMBtu per day)	Fixed Price ($ per MMBtu)	Sub-Floor Price ($ per MMBtu)	Floor Price ($ per MMBtu)	Ceiling Price ($ per MMBtu)		Fixed Price Differential ($ per MMBtu)
Natural gas	2Q19	Basis Swaps	Waha-NYMEX Henry Hub	14,000	—	—	—	—			($2.12	)
Natural gas	2Q19	Sold Call Options	NYMEX Henry Hub	33,000		—	—		$3.25	—
Natural gas	3Q19	Basis Swaps	Waha-NYMEX Henry Hub	15,000	—	—	—	—			($1.60	)
Natural gas	3Q19	Sold Call Options	NYMEX Henry Hub	33,000		—	—		$3.25	—
Natural gas	4Q19	Basis Swaps	Waha-NYMEX Henry Hub	15,000	—	—	—	—			($1.05	)
Natural gas	4Q19	Sold Call Options	NYMEX Henry Hub	33,000		—	—		$3.25	—
Natural gas	2020	Basis Swaps	Waha-NYMEX Henry Hub	25,811	—	—	—	—			($0.71	)
Natural gas	2020	Sold Call Options	NYMEX Henry Hub	33,000		—	—		$3.50	—

Commodity	Period	Type of Contract	Index	Volumes (MMBtu per day)	Fixed Price ($ per MMBtu)	Sub-Floor Price ($ per MMBtu)	Floor Price ($ per MMBtu)	Ceiling Price ($ per MMBtu)	Fixed Price Differential ($ per MMBtu)
Natural gas	2Q20	Basis Swaps	Waha-NYMEX Henry Hub	15,000	—	—	—	—		($1.25	)