On 10/1/2022, Marathon Oil EF II acquired all Eagle Ford wells previously operated by Ensign. Beginning April 25, 2023 all revenue payments will be remitted by Marathon Oil. All inquiries and notifications should now be directed to Marathon Oil Company Owner Relations.

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Phone: 888-522-8871

Email: ownerrelations@marathonoil.com
Marathon Oil Company
Division Order
P.O. Box 2069
Houston, TX 77252-9755