Commodity Price Risk Activities (Tables)

9 Months Ended

Sep. 30, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Commodity Derivative Contracts

The following table summarizes Lonestar's commodity derivative contracts as of September 30, 2019:



	Contract			Volumes	Weighted
Commodity	Type	Period	Range ⁽¹⁾	(Bbls/Mcf per day)	Average Price
Oil - WTI	Swaps	Oct - Dec 2019	$48.04 - $69.57	7,212	$	54.54
Oil - Argus WTI ⁽²⁾	Basis Swaps	Oct - Dec 2019	5.00 - 5.55	6,000	5.05
Oil - WTI	Swaps	Jan - Dec 2020	48.90 - 65.56	7,480	56.95
Oil - WTI	Swaps	Jan - Dec 2021	51.05 - 56.50	3,000	54.68
Natural Gas - Henry Hub	Swaps	Oct - Dec 2019	2.76 - 2.98	15,000	2.87
Natural Gas - Henry Hub	Swaps	Jan - Dec 2020	2.59 - 2.59	15,000	2.59

(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.