Organization and Nature of Operations (Tables)

12 Months Ended

Dec. 31, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Subsidiaries

Our assets consist of ownership interests in certain companies which serve specific areas and integrated development plan (“IDP”) areas and consist of the following:

Company	Areas Served	NBLX Dedicated Service	NBLX Ownership	Noncontrolling Interest(1)
Colorado River LLC (2)	Wells Ranch IDP (DJ Basin) East Pony IDP (DJ Basin) All Noble DJ Basin Acreage	Crude Oil Gathering Natural Gas Gathering Water Services Crude Oil Gathering Crude Oil Treating	100%	N/A
San Juan River LLC (2)	East Pony IDP (DJ Basin)	Water Services	100%	N/A
Green River DevCo LLC (2)	Mustang IDP (DJ Basin)	Crude Oil Gathering Natural Gas Gathering Water Services	100%	N/A
Laramie River LLC (2)	Greeley Crescent IDP (DJ Basin)	Crude Oil Gathering Water Services	100%	N/A
	Black Diamond Dedication Area (DJ Basin)	Crude Oil Gathering Crude Oil Sales Natural Gas Gathering	54.4%	45.6%
Blanco River LLC (2)	Delaware Basin	Crude Oil Gathering Natural Gas Gathering Water Services	100%	N/A
Gunnison River DevCo LP	Bronco IDP (DJ Basin) (3)	Crude Oil Gathering Water Services	5%	95%
Trinity River DevCo LLC (4)	Delaware Basin	Natural Gas Compression Crude Oil Transmission	100%	N/A
Dos Rios DevCo LLC (5)	Delaware Basin	Crude Oil Transmission Y-Grade Transmission	100%	N/A
Noble Midstream Holdings LLC	East Pony IDP (DJ Basin)	Natural Gas Gathering Natural Gas Processing	100%	N/A
	Delaware Basin	Crude Oil Gathering Natural Gas Gathering Water Services	100%	N/A

⁽¹⁾  The noncontrolling interest represents Noble’s retained ownership interest in the Gunnison River DevCo LP. The noncontrolling interest in Black Diamond represents Greenfield Member’s interest in Black Diamond.

⁽²⁾  On December 31, 2019, the general partner and limited partnership of each of the companies were merged into a limited liability company (“LLC”).

⁽³⁾  The Bronco IDP is a future development area. We currently have no midstream infrastructure assets in the Bronco IDP.

⁽⁴⁾  Our interest in Advantage Pipeline L.L.C. (“Advantage”) is owned through Trinity River DevCo LLC.

⁽⁵⁾ 

Our ownership interests in Delaware Crossing, EPIC Y-Grade and EPIC Crude are owned through wholly-owned subsidiaries of Dos Rios DevCo LLC.