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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Name of Issuer)

(Title of Class of Securities)

(CUSIP Number)

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13D/A 0000950157-19-000901 0000797468 XXXXXXXX LIVE 8 Common Units Representing Limited Partner Interests 01/16/2026 0001423902 958669103 Western Midstream Partners, LP 9950 Woodloch Forest Drive, Suite 2800 The Woodlands TX 77380 Nicole E. Clark (713) 215-7000 5 Greenway Plaza, Suite 110 Houston TX 77046 0000797468 N Occidental Petroleum Corporation OO DE 0 165681578 0 165681578 165681578 40.6 HC CO Represents (i) 156,219,520 common units representing limited partner interests in the Issuer ("Common Units") held by Western Gas Resources, Inc. ("WGRI"), (ii) 457,849 Common Units held by APC Midstream Holdings, LLC ("AMH") and (iii) 9,004,209 Common Units held by Anadarko USH1 Corporation ("AUSH1"). Occidental Petroleum Corporation ("Occidental") indirectly owns 100% of the issued and outstanding common stock of Anadarko Petroleum Corporation ("Anadarko"), which directly or indirectly owns 100% of the issued and outstanding equity interests of WGRI, AMH and AUSH1. Occidental may, therefore, be deemed to beneficially own the Common Units held by WGRI, AMH and AUSH1. The calculation is based on a total of 407,995,725 Common Units issued and outstanding as of October 31, 2025. Y OXY USA Inc. OO DE 0 165681578 0 165681578 165681578 40.6 CO Represents (i) 156,219,520 Common Units held by WGRI, (ii) 457,849 Common Units held by AMH and (iii) 9,004,209 Common Units held by AUSH1. OXY Oil Partners, Inc. indirectly owns 100% of the issued and outstanding common stock of Anadarko, which directly or indirectly owns 100% of the issued and outstanding equity interests of WGRI, AMH and AUSH1. Oxy Oil Partners, Inc. may be deemed to beneficially own the Common Units held by WGRI, AMH and AUSH1. The calculation is based on a total of 407,995,725 Common Units issued and outstanding as of October 31, 2025. Y OXY Oil Partners, Inc. OO DE 0 165681578 0 165681578 165681578 40.6 CO Represents (i) 156,219,520 Common Units held by WGRI, (ii) 457,849 Common Units held by AMH and (iii) 9,004,209 Common Units held by AUSH1. OXY Oil Partners, Inc. indirectly owns 100% of the issued and outstanding common stock of Anadarko, which directly or indirectly owns 100% of the issued and outstanding equity interests of WGRI, AMH and AUSH1. Oxy Oil Partners, Inc. may be deemed to beneficially own the Common Units held by WGRI, AMH and AUSH1. The calculation is based on a total of 407,995,725 Common Units issued and outstanding as of October 31, 2025. Y Baseball Merger Sub 2, Inc. OO DE 0 165681578 0 165681578 165681578 40.6 HC CO Represents (i) 156,219,520 Common Units held by WGRI, (ii) 457,849 Common Units held by AMH and (iii) 9,004,209 Common Units held by AUSH1. Baseball Merger Sub 2, Inc. indirectly owns 100% of the issued and outstanding common stock of Anadarko, which directly or indirectly owns 100% of the issued and outstanding equity interests of WGRI, AMH and AUSH1. Baseball Merger Sub 2, Inc. may, therefore, be deemed to beneficially own the Common Units held by WGRI, AMH and AUSH1. The calculation is based on a total of 407,995,725 Common Units issued and outstanding as of October 31, 2025. Y Anadarko Petroleum Corporation OO DE 0 165681578 0 165681578 165681578 40.6 HC CO Represents (i) 156,219,520 Common Units held by WGRI, (ii) 457,849 Common Units held by AMH and (iii) 9,004,209 Common Units held by AUSH1. Anadarko directly or indirectly owns 100% of the issued and outstanding equity interests of WGRI, AMH and AUSH1 and may, therefore, be deemed to beneficially own the Common Units held by WGRI, AMH and AUSH1. The calculation is based on a total of 407,995,725 Common Units issued and outstanding as of October 31, 2025. Y Western Gas Resources, Inc. OO DE 0 156677369 0 156677369 156677369 38.4 HC CO Represents (i) 156,219,520 Common Units held by WGRI and (ii) 457,849 Common Units held by AMH. In addition to its Common Units held of record, WGRI directly owns 100% of the issued and outstanding equity interests of AMH and may, therefore, be deemed to beneficially own the Common Units held by AMH. The calculation is based on a total of 407,995,725 Common Units issued and outstanding as of October 31, 2025. Y APC Midstream Holdings, LLC OO DE 0 457849 0 457849 457849 0.1 OO HC Represents 457,849 Common Units held by AMH. The calculation is based on a total of 407,995,725 Common Units issued and outstanding as of October 31, 2025. Y Anadarko Holding Company OO UT 0 9004209 0 9004209 9004209 2.2 HC CO Represents 9,004,209 Common Units held by AUSH1. Anadarko Holding Company ("AHC") and Kerr-McGee Corporation ("KMG") together own 100% of the common stock of Kerr-McGee Worldwide Corporation ("KMWW"), and Anadarko and KMWW together indirectly own 100% of the common stock of AUSH1. The calculation is based on a total of 407,995,725 Common Units issued and outstanding as of October 31, 2025. Y Kerr-McGee Corporation OO DE 0 9004209 0 9004209 9004209 2.2 HC CO Represents 9,004,209 Common Units held by AUSH1. AHC and KMG together own 100% of the common stock of KMWW, and Anadarko and KMWW together indirectly own 100% of the common stock of AUSH1. The calculation is based on a total of 407,995,725 Common Units issued and outstanding as of October 31, 2025. Y Kerr-McGee Worldwide Corporation OO DE 0 9004209 0 9004209 9004209 2.2 HC CO Represents 9,004,209 Common Units held by AUSH1. KMWW and Anadarko together indirectly own 100% of the common stock of AUSH1. The calculation is based on a total of 407,995,725 Common Units issued and outstanding as of October 31, 2025. Y Anadarko USH1 Corporation OO DE 0 9004209 0 9004209 9004209 2.2 CO Represents 9,004,209 Common Units held of record by AUSH1. The calculation is based on a total of 407,995,725 Common Units issued and outstanding as of October 31, 2025. Common Units Representing Limited Partner Interests Western Midstream Partners, LP 9950 Woodloch Forest Drive, Suite 2800 The Woodlands TX 77380 This Amendment No. 8 amends and supplements the Schedule 13D filed with the Securities and Exchange Commission on August 19, 2019 (the "Original Schedule 13D," and as amended, the "Schedule 13D") relating to the common units representing limited partner interests (the "Common Units") in Western Midstream Partners, LP, a Delaware master limited partnership (the "Issuer") beneficially owned by Occidental Petroleum Corporation ("Occidental"), OXY USA Inc. ("OXY USA"), OXY Oil Partners, Inc. ("OOP"), Baseball Merger Sub 2, Inc. ("BMS"), Anadarko Petroleum Corporation ("Anadarko"), Western Gas Resources, Inc. ("WGRI"), APC Midstream Holdings, LLC ("AMH"), Anadarko Holding Company ("AHC"), Kerr-McGee Corporation ("KMG"), Kerr-McGee Worldwide Corporation ("KWC") and Anadarko USH1 Corporation ("AUSH1" and together with Occidental, OXY USA, OOP, BMS, Anadarko, WGRI, AMH, AHC, KMG and KWC, the "Reporting Persons"). Capitalized terms used but not defined herein shall have the meanings ascribed to them in the Original Schedule 13D and subsequent amendments, as applicable. The filing of this Amendment No. 8 shall not be construed as an admission that any of the Reporting Persons is for the purposes of Section 13(d) or 13(g) of the Securities Exchange Act of 1934, the beneficial owner of any of the Common Units reported herein. Pursuant to Rule 13d-4, each of the Reporting Persons disclaims all such beneficial ownership in any such Common Units. Item 4 of the Schedule 13D is hereby amended and supplemented by adding the following: January 2026 Unit Redemption Agreement On January 16, 2026, the Issuer entered into a Unit Redemption Agreement with WGRI and the other parties thereto (the "Unit Redemption Agreement"), pursuant to which, on February 3, 2026, WGRI will transfer and surrender an aggregate of 15,307,402 Common Units to the Issuer in connection with the execution of (i) the Third Amendment to the Gas Gathering Agreement (the "GGA Amendment"), and (ii) the Eleventh Amendment to the Gas Processing Contract (the "GPC Amendment") to, among other things, (a) in the case of the GGA Amendment, provide Delaware Basin Midstream LLC ("DBM") with a minimum volume commitment of dedicated gas from Anadarko E&P Onshore LLC ("AE&P"), reduce the gathering fee charged by DBM to AE&P, and provide for a fixed-fee (instead of cost-of-service) rate structure, and (b) in the case of the GPC Amendment, add provisions related to DBM entering into a separate Gas Gathering, Processing and Treating Agreement directly with Permian Delaware Enterprises Holdings LLC ("PDEH"). The foregoing description of the Unit Redemption Agreement does not purport to be complete and is qualified in its entirety by reference to the full text of such agreement, which is filed as an exhibit hereto and incorporated herein by reference. See the information on the cover pages of this Amendment No. 8 to the Schedule 13D, which is incorporated by reference herein. See the information on the cover pages of this Amendment No. 8 to the Schedule 13D, which is incorporated by reference herein. None of the Reporting Persons, nor to the Reporting Persons' knowledge, none of the Listed Persons, has effected any transactions in the Common Units during the past 60 days, other than as described in Item 4 of this Amendment No. 8 to the Schedule 13D. The Reporting Persons have the right to receive distributions from, and the proceeds from the sale of, the respective Common Units reported by such persons on the cover pages of the Schedule 13D and in this Item 5. Except for the foregoing, no other person is known by the Reporting Persons to have the right to receive or the power to direct the receipt of distributions from, or the proceeds from the sale of, Common Units beneficially owned by the Reporting Persons or, to the Reporting Persons' knowledge, the Listed Persons. Not applicable. Item 6 is hereby amended and supplemented by adding the following: The description of the Unit Redemption Agreement in Item 4 above is hereby incorporated by reference into this Item 6. A copy of the United Redemption Agreement is included as an exhibit to this filing. Item 7 of the Schedule 13D is hereby amended and supplemented by inserting the following exhibit: Exhibit AD Unit Redemption Agreement, dated as of January 16, 2026, by and among Western Gas Resources, Inc., Anadarko E&P Onshore LLC, Western Midstream Partners, LP, and Delaware Basin Midstream LLC. Occidental Petroleum Corporation /s/ Nicole E. Clark Nicole E. Clark/Vice President, Corporate Secretary and Chief Compliance Officer 01/21/2026 OXY USA Inc. /s/ Nicole E. Clark Nicole E. Clark/Vice President and Secretary 01/21/2026 OXY Oil Partners, Inc. /s/ Nicole E. Clark Nicole E. Clark/Vice President and Secretary 01/21/2026 Baseball Merger Sub 2, Inc. /s/ Nicole E. Clark Nicole E. Clark/Vice President and Secretary 01/21/2026 Anadarko Petroleum Corporation /s/ Nicole E. Clark Nicole E. Clark/Vice President and Secretary 01/21/2026 Western Gas Resources, Inc. /s/ Nicole E. Clark Nicole E. Clark/Vice President and Secretary 01/21/2026 APC Midstream Holdings, LLC /s/ Nicole E. Clark Nicole E. Clark/Vice President and Secretary 01/21/2026 Anadarko Holding Company /s/ Nicole E. Clark Nicole E. Clark/Vice President and Secretary 01/21/2026 Kerr-McGee Corporation /s/ Nicole E. Clark Nicole E. Clark/Vice President and Secretary 01/21/2026 Kerr-McGee Worldwide Corporation /s/ Nicole E. Clark Nicole E. Clark/Vice President and Secretary 01/21/2026 Anadarko USH1 Corporation /s/ Nicole E. Clark Nicole E. Clark/Vice President and Secretary 01/21/2026