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Organization and Nature of Operations (Tables)
 9 Months Ended
Sep. 30, 2020
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:
DevCoAreas ServedNBLX Dedicated ServiceNBLX Ownership
Noncontrolling Interest (1)
Colorado River LLC
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 LLCEast Pony IDP (DJ Basin)Water Services100%N/A
Green River DevCo LLCMustang IDP (DJ Basin)Crude Oil Gathering
Natural Gas Gathering
Water Services		100%N/A
Laramie River LLCGreeley Crescent IDP (DJ Basin)Crude Oil Gathering
Water Services		100%N/A
Black Diamond Dedication Area (DJ Basin) (2)
Crude Oil Gathering
Natural Gas Gathering
Crude Oil Transmission		54.4%45.6%
Gunnison River DevCo LP
Bronco IDP (DJ Basin) (3)
Crude Oil Gathering
Water Services		5%95%
Blanco River LLCDelaware Basin Crude Oil Gathering
Natural Gas Gathering
Produced Water Services		100%N/A
Trinity River DevCo LLC (4)
Delaware BasinCrude Oil Transmission
Natural Gas Compression		100%N/A
Dos Rios DevCo LLC (5)
Delaware BasinCrude Oil Transmission
Y-Grade Transmission		100%N/A
NBL Midstream Holdings LLCEast Pony IDP (DJ Basin)Natural Gas Gathering
Natural Gas Processing		100%N/A
Delaware BasinCrude Oil Gathering
Natural Gas Gathering
Produced 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 Gathering LLC (“Black Diamond”) represents Greenfield Midstream, LLC’s (the “Greenfield Member”) interest in Black Diamond.
(2)Our ownership interest in Saddlehorn Pipeline Company, LLC (“Saddlehorn”) is owned through a wholly-owned subsidiary of Black Diamond. See Note 6. Investments.
(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 Holdings, L.L.C. (“Advantage”) is owned through Trinity River DevCo LLC.
(5)Our ownership interests in Delaware Crossing LLC (“Delaware Crossing”), EPIC Y-Grade, LP (“EPIC Y-Grade”), EPIC Crude Holdings, LP (“EPIC Crude”) and EPIC Propane Pipeline Holdings, LP (“EPIC Propane”) are owned through wholly-owned subsidiaries of Dos Rios DevCo LLC. See Note 6. Investments.