STATEMENT OF CONSOLIDATED OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
REVENUES:
Midstream services revenue — affiliate (Note 3)		$ 33,847	$ 12,099
Total revenues		33,847	12,099
COSTS AND EXPENSES:
Operations and maintenance	[1]	16,399	10,992
General and administrative	[2]	2,991	1,617
Depreciation and accretion		7,651	3,705
Taxes other than income		2,575	3,355
Total costs and expenses		29,616	19,669
OPERATING INCOME (LOSS)		4,231	(7,570)
Interest income		2,161	0
Income from equity method interests		270	0
Total other income		2,431	0
Financing costs, net of capitalized interest		508	0
NET INCOME (LOSS) BEFORE INCOME TAXES		6,154	(7,570)
Deferred income tax expense		426	5,037
NET INCOME (LOSS) INCLUDING NONCONTROLLING INTEREST		5,728	(12,607)
Net income attributable to noncontrolling interest		4,628	0
NET INCOME (LOSS) ATTRIBUTABLE TO CLASS A COMMON SHAREHOLDERS		$ 1,100	$ (12,607)
NET LOSS ATTRIBUTABLE TO CLASS A COMMON SHAREHOLDERS, PER SHARE
Basic (in USD per share)		$ 0.01	$ (0.09)
Diluted (in USD per share)		$ 0.01	$ (0.09)
WEIGHTED AVERAGE SHARES
Basic (in shares)		74,929	139,941
Diluted (in shares)	[3]	324,929	139,941

[1] Includes amounts of $2.9 million and $2.3 million to related parties for the three months ended March 31, 2019 and 2018, respectively. Refer to Note 3 — Transactions with Affiliates.

[2] Includes amounts of $1.6 million and $1.6 million to related parties for the three months ended March 31, 2019 and 2018, respectively. Refer to Note 3 — Transactions with Affiliates.

[3] For periods prior to the Business Combination (as defined below), the number of shares has been retroactively restated to reflect the number of shares received by Apache. For further detail of the Business Combination and associated financial statement presentation, please refer to Note 1 — Summary of Significant Accounting Policies and Note 2 — Recapitalization Transaction.