Commodity Price Risk Activities (Tables)

3 Months Ended

Mar. 31, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Commodity Derivative Contracts

The following table summarizes Lonestar's commodity derivative contracts as of March 31, 2019:

	Contract			Volumes	Weighted
Commodity	Type	Period	Range (1)	(Bbls/Mcf per day)	Average Price
Oil – WTI	Swaps	Apr - Dec 2019	$48.04 - $69.57	6,613	$	54.23
Oil – Argus WTI(2)	Basis Swaps	Apr - Dec 2019	5.00 - 5.55	6,000	5.05
Oil – WTI	Swaps	Jan - Dec 2020	48.90 - 65.56	4,680	57.34
Natural Gas - Henry Hub	Swaps	Apr - Dec 2019	2.76 - 2.98	15,000	2.80

(1) Ranges presented for fixed-price swaps and basis swaps represent the lowest and highest fixed prices of all open contracts for the period presented.

(2) Basis swap contracts establish a fixed amount for the differential between Argus WTI and Argus LLS prices on a trade-month basis for the period indicated.