Exhibit 21.1

Subsidiaries of Civitas Resources, Inc., a Delaware corporation

SUBSIDIARIES OF CIVITAS RESOURCES, INC.:

•BONANZA CREEK ENERGY OPERATING COMPANY, LLC, a Delaware limited liability company

•HIGHPOINT RESOURCES CORPORATION, a Delaware corporation

•EXTRACTION OIL & GAS, INC., a Delaware corporation

•RAPTOR CONDOR MERGER SUB 2, LLC, a Delaware limited liability company

•CIVITAS NORTH, LLC, a Colorado limited liability company

•CIVITAS MID BASIN ENERGY, LLC, a Delaware limited liability company

•CIVITAS MID BASIN ENERGY B, LLC, a Delaware limited liability company

•CIVITAS PERMIAN OPERATING, LLC, a Delaware limited liability company

•CIVITAS DE BASIN NM HOLDINGS, LLC, a Delaware limited liability company

•CIVITAS DE BASIN RESOURCES, LLC, a Delaware limited liability company

•CIVITAS DE BASIN RESOURCES II, LLC, a Delaware limited liability company

•CIVITAS DE BASIN NM MINERALS, LLC, a Delaware limited liability company

•CIVITAS DE BASIN HOLDINGS, LLC, a Delaware limited liability company

•CIVITAS DE BASIN MINERALS, LP, a Delaware limited partnership

•CIVITAS DE BASIN MIDSTREAM, LLC, a Delaware limited liability company

•CIVITAS DE BASIN HOLDINGS II, LLC, a Delaware limited liability company

•CIVITAS DE BASIN MINERALS II, LLC, a Delaware limited liability company

•ROCKY MOUNTAIN INFRASTRUCTURE, LLC, a Delaware limited liability company

•HOLMES EASTERN COMPANY, LLC, a Delaware limited liability company

•HIGHPOINT OPERATING CORPORATION, a Delaware corporation

•FIFTH POCKET PRODUCTION, LLC, a Colorado limited liability company

•EXTRACTION FINANCE CORP., a Delaware corporation

•MOUNTAINTOP MINERALS, LLC, a Delaware limited liability company

•TABLE MOUNTAIN RESOURCES, LLC, a Delaware limited liability company

•NORTHWEST CORRIDOR HOLDINGS, LLC, a Delaware limited liability company

•XTR MIDSTREAM, LLC, a Delaware limited liability company

•7N, LLC, a Delaware limited liability company

•8 NORTH, LLC, a Delaware limited liability company

•AXIS EXPLORATION, LLC, a Delaware limited liability company

•XOG SERVICES, LLC, a Delaware limited liability company

•CRESTONE PEAK RESOURCES GP INC., a Delaware corporation

•CRESTONE PEAK RESOURCES LP, a Delaware limited partnership

•CRESTONE PEAK RESOURCES LLC, a Delaware limited liability company

•CRESTONE PEAK RESOURCES ACQUISITION COMPANY I LLC, a Delaware limited liability company

•CRESTONE PEAK RESOURCES OPERATING LLC, a Delaware limited liability company

•CRESTONE PEAK RESOURCES MIDSTREAM LLC, a Delaware limited liability company

•CRESTONE PEAK RESOURCES HOLDINGS LLC, a Delaware limited liability company

•COLLEGIATE HOLDINGS LLC, a Delaware limited liability company

•CRESTONE PEAK RESOURCES WATKINS MIDSTREAM LLC, a Delaware limited liability company

•CRESTONE PEAK RESOURCES WATKINS HOLDINGS LLC, a Delaware limited liability company