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EXHIBIT 21

EOG Resources, Inc.
Subsidiaries
As of December 31, 2025

EOG Resources, Inc., a Delaware corporation, had the U.S. and international subsidiaries shown below as of December 31, 2025.
Name of Subsidiary
Jurisdiction of Organization/Incorporation
EOG Resources, Inc.
Delaware
EOG Resources International, Inc.
Delaware
EOG Resources China LLC
Delaware
EOGI International, Inc.
Delaware
EOG - Canada, Inc.
Delaware
EOG Expat Services, Inc.
Delaware
EOG Resources Marketing LLC
Delaware
Nilo Operating Company
Delaware
Pecan Pipeline Company
Delaware
Pecan Pipeline (North Dakota), Inc.
Delaware
Pecan Pipeline (Wyoming) LLC
Delaware
EOG SPG Holdings, Inc.
Delaware
SPG Dorado Transportation LLC
Delaware
SPG Dorado Injection LLC
Delaware
Rockies Holdings LLC
Wyoming
EOG Canada Oil & Gas Inc.
Alberta
EOGI Oman International Block 49 Ltd.
Cayman Islands
EOG Resources Oman Block 49 Limited
Cayman Islands
EOG Resources Muscat Block 49 SPC
Sultanate of Oman
EOGI Oman International Ltd.
Cayman Islands
EOG Resources Oman Limited
Cayman Islands
EOG Resources Muscat SPC
Sultanate of Oman
EOG Resources Australia Pty Ltd
Australia
EOG Resources Australia Block WA-488 Pty Ltd
Australia
EOG Resources Australia Block WA-544 Pty Ltd
Australia
EOG Resources Australia NT-P87 Pty Ltd
Australia
EOGI International Block NCMA 4(a) Ltd.
Cayman Islands
EOG Resources Block NCMA 4(a) Company
Cayman Islands
EOG Resources Trinidad Block NCMA 4(a) Unlimited
Trinidad
EOGI International Block LRL Ltd.
Cayman Islands
EOG Resources Block LRL Company
Cayman Islands



Name of Subsidiary
Jurisdiction of Organization/Incorporation
EOG Resources Trinidad Block LRL Unlimited
Trinidad
EOGI International Company
Cayman Islands
EOG Resources Block 4(a) Company
Cayman Islands
EOG Resources Nitro2000 Company
Cayman Islands
EOG Resources Trinidad Nitro Unlimited
Trinidad
EOG Resources U(b) Block Company
Cayman Islands
EOG Resources (Nevis) Block 4 (a) Limited
Nevis
EOG Resources Trinidad Block 4(a) Unlimited
Trinidad
EOG Resources Nevis U (b) Block Limited
Nevis
EOG Resources Trinidad U(b) Block Unlimited
Trinidad
EOGI Trinidad - U(a) Block Company
Cayman Islands
EOG Resources Trinidad - U(a) Block Limited
Cayman Islands
Murrott Capital Ltd.
Nevis
EOG Resources Trinidad Limited
Trinidad
Airstream Compression, LLC
Delaware
EAP Minerals Ohio, LLC
Delaware
EAP Ohio, LLC
Delaware
EAP Operating, LLC
Delaware
Encino Acquisition Partners Holdings, LLC
Delaware
Encino Acquisition Partners, LLC
Delaware
EOG Resources Bahrain Awali W. L.L.
Kingdom of Bahrain
EOGI Bahrain Awali Ltd.
Cayman Islands
EOG Resources Bahrain Awali Company
Cayman Islands
EOG Resources Gulf Nations Block UCO3 Company
Cayman Islands
EOG Resources Gulf Nations Block UCO3 – L.L.C-S.P.C
United Arab Emirates
EOGI Gulf Nations Block UCO3 Ltd.
Cayman Islands
EOG Resources Gulf Nations Ruwais Diyab Company
Cayman Islands
EOGI Gulf Nations Ruwais Diyab Ltd.
Cayman Islands