OPERATORS · TEXAS · P-5 NUMBER 525398

Marathon Oil EF LLC

706 FILINGS · 565 PERMITS · PAGE 1 OF 15 · BY ISSUE DATE

IssuedPermitTypeCountyLease / wellDepthStatusAPIOperator change
May 6, 2026915293AmendmentDrillAtascosaFoushee-Wright Keathley SA6 #6HH17,500—01336275—
May 6, 2026915292AmendmentDrillAtascosaFoushee-Wright Keathley SA5 #5HH17,500—01336274—
May 6, 2026915293DrillAtascosaFoushee-Wright Keathley SA6 #6HH17,500Spudded01336275—
May 6, 2026915292DrillAtascosaFoushee-Wright Keathley SA5 #5HH17,500—01336274—
May 4, 2026915291AmendmentDrillAtascosaMauch-Wright Henke SA2 #2HH17,500—01336273—
May 4, 2026915290AmendmentDrillAtascosaMauch-Wright Henke SA1 #1HH17,500—01336272—
May 4, 2026915291DrillAtascosaMauch-Wright Henke SA2 #2HH17,500Spudded01336273—
May 4, 2026915290DrillAtascosaMauch-Wright Henke SA1 #1HH17,500—01336272—
Sep 30, 2025910512DrillAtascosaMauch-Wright-Ethridge SA2 #2HH17,500—01336260—
Sep 23, 2025910522DrillAtascosaWright-Ethridge SA3 #3HH17,500—01336261—
Sep 23, 2025910505DrillAtascosaMauch-Ethridge SA1 #1HH17,500—01336259—
Apr 24, 2025907540AmendmentDrillAtascosaGriffin-Krueger SA 1 #1HH17,500Final completion01336230—
Apr 24, 2025907566DrillAtascosaGriffin-Krueger SA4 #4HH17,500Final completion01336233—
Apr 24, 2025907560DrillAtascosaGriffin-Krueger SA3 #3HH17,500Final completion01336232—
Apr 24, 2025907545DrillAtascosaGriffin-Krueger SA2 #2HH17,500Final completion01336231—
Apr 24, 2025907540DrillAtascosaGriffin-Krueger SA 1 #1HH17,500Spudded01336230—
Jan 23, 2025905381DrillAtascosaTom Family Unit #2HH17,500Final completion01336219—
Jan 23, 2025905379DrillAtascosaMCS Foundation Unit #10HH17,500Spudded01336223—
Jan 23, 2025905379AmendmentDrillAtascosaMCS Foundation-Tom Family Usw A #1H17,500Final completion01336223—
Jan 23, 2025905377DrillAtascosaMCS Foundation Unit #9HH17,500Final completion01336222—
Jan 23, 2025905376DrillAtascosaMCS Foundation Unit #8HH17,500Final completion01336221—
Jan 23, 2025905375DrillAtascosaMCS Foundation Unit #7HH17,500Final completion01336220—
Dec 20, 2024904851DrillAtascosaMiddle McCowen #133HRH22,000Final completion01336215—
Nov 20, 2024903676DrillAtascosaR May a-May Girls Chapman SA2 #2HH24,000Final completion01336205—
Nov 20, 2024903675DrillAtascosaR May a-Schroeder Chapman SA1 #1HH24,000Final completion01336204—
Oct 31, 2024903674DrillAtascosaR. May A #13HH22,000Final completion01336203—
Sep 9, 2024902172DrillAtascosaMiddle McCowen #192HH22,000Final completion01336198—
Sep 9, 2024902149DrillAtascosaMiddle McCowen #136HH22,000Final completion01336190—
Aug 23, 2024902161DrillAtascosaMiddle McCowen #140HH22,000Final completion01336195—
Aug 23, 2024902158DrillAtascosa74 Ranch E #11H22,000Final completion01336200—
Aug 22, 2024902173DrillAtascosaMiddle McCowen #133HH22,000Unperforated completion01336199—
Aug 22, 2024902171DrillAtascosaMiddle McCowen #191HH22,000Final completion01336197—
Aug 22, 2024902164DrillAtascosaMiddle McCowen #137HH22,000Final completion01336196—
Aug 22, 2024902162DrillAtascosaMiddle McCowen #139HH22,000Final completion01336188—
Aug 22, 2024902159DrillAtascosaMiddle McCowen #197HH22,000Final completion01336194—
Aug 21, 2024902163DrillAtascosaMiddle McCowen #138HH22,000Final completion01336189—
Aug 21, 2024902152DrillAtascosaMiddle McCowen #194HH22,000Final completion01336193—
Aug 21, 2024902151DrillAtascosaMiddle McCowen #195HH22,000Final completion01336192—
Aug 21, 2024902150DrillAtascosaMiddle McCowen #196HH22,000Final completion01336191—
Aug 1, 2024901583DrillAtascosaHierholzer Retzloff-McMahon SA3 #3HH24,000Final completion01336185—
Aug 1, 2024901582DrillAtascosaHierholzer Retzloff-McMahon SA2 #2HH24,000Final completion01336186—
Aug 1, 2024901580DrillAtascosaHierholzer Retzloff-McMahon SA1 #1HH24,000Final completion01336187—
Apr 29, 2024899225DrillAtascosaFoushee Henke SA3 #3HH22,000—01336173—
Apr 29, 2024899224DrillAtascosaFoushee Henke SA2 #2HH22,000—01336172—
Apr 29, 2024899223DrillAtascosaFoushee Henke SA1 #1HH22,000—01336171—
Apr 24, 2024898863DrillAtascosaTom-Smith Unit C #6HH22,000Spudded01335906—
Apr 24, 2024898863AmendmentDrillAtascosaTom-Smith Unit C #6HH22,000Final completion01335906—
Apr 24, 2024898862DrillAtascosaTom-Smith Unit C #5HH22,000Spudded01335905—
Apr 24, 2024898862AmendmentDrillAtascosaTom-Smith Unit C #5HH22,000Final completion01335905—
Feb 8, 2024897137DrillAtascosaMay Girls #5HH18,000Final completion01336135—