Oil & Gas Operator
Here are a few key data points for Marathon Oil Ef LLC. This page represents an aggregation of wells ( and leases where applicable ) to provide a more complete view when looking at oil and gas properties in the U.S.
| Operating State | TX |
|---|---|
| Production Dates | Oct 2010 - Feb 2026 |
| Total Oil Production | 549,685,241 BBLs |
| Total Gas Production | 1,666,700,836 MCF |
| Estimated Daily Oil Prod. | 89,012 BBLs |
| Estimated Daily Gas Prod. | 317,104 MCF |
| Estimated Daily Water Prod. | 162,125 BBLs |
| Producing Wells | 2,440 |
| API # | Well Name | Status | County | Est. Daily Oil Prod. | Est. Daily Gas Prod. | Est. Daily Water Prod. | Latitude | Longitude |
|---|---|---|---|---|---|---|---|---|
| API # | Well Name | Status | County | Est. Daily Oil Prod. | Est. Daily Gas Prod. | Est. Daily Water Prod. | Latitude | Longitude |
| 42-177-34746 | BARNHART (EF)-J.M. PRESTON SA6 123H | PRODUCING | Gonzales County, TX | 29.312555 | -97.501206 | |||
| 42-255-38164 | BEST BATEMAN-BEST HUTH SA1 1H | Horizontal Well Surface Locatio | Karnes County, TX | 28.820102 | -98.007993 | |||
| 42-255-38165 | BEST FENNER-MORGAN SA1 1H | Horizontal Well Surface Locatio | Karnes County, TX | 28.820124 | -98.007918 | |||
| 42-255-38154 | DAVIS-ALEXANDER SA1 1H | Horizontal Well Surface Locatio | Karnes County, TX | 28.864128 | -97.835370 | |||
| 42-255-37996 | DEBILL-LISKA SA1 1H | PRODUCING | Karnes County, TX | 28.916060 | -97.718316 | |||
| 42-255-38052 | DEMING-DEBILL SA1 1H | PRODUCING | Karnes County, TX | 28.894698 | -97.696846 | |||
| 42-255-38054 | DEMING-LONG SA1 1H | PRODUCING | Karnes County, TX | 28.894787 | -97.696726 | |||
| 42-255-38099 | ELIZONDO 01 07H | Horizontal Well Surface Locatio | Karnes County, TX | 28.928715 | -97.728966 | |||
| 42-255-38100 | ELIZONDO 01 08H | Horizontal Well Surface Locatio | Karnes County, TX | 28.928784 | -97.728964 | |||
| 42-255-38101 | ELIZONDO 01 09H | Horizontal Well Surface Locatio | Karnes County, TX | 28.928851 | -97.728966 | |||
| 42-255-38257 | FRANSEN UNIT 7H | Horizontal Well Surface Locatio | Karnes County, TX | 28.808008 | -97.980123 | |||
| 42-255-38259 | FRANSEN-DIRECT ASSETS SA2 2H | Horizontal Well Surface Locatio | Karnes County, TX | 28.808058 | -97.979979 | |||
| 42-013-36187 | HIERHOLZER RETZLOFF-MCMAHON SA1 1H | PRODUCING | Atascosa County, TX | 28.806331 | -98.138972 | |||
| 42-013-36186 | HIERHOLZER RETZLOFF-MCMAHON SA2 2H | PRODUCING | Atascosa County, TX | 28.806286 | -98.139033 | |||
| 42-013-36185 | HIERHOLZER RETZLOFF-MCMAHON SA3 3H | PRODUCING | Atascosa County, TX | 28.806247 | -98.139118 | |||
| 42-123-35377 | HOPE-BRUNS SA1 1H | PRODUCING | DeWitt County, TX | 29.005050 | -97.594096 | |||
| 42-255-38104 | KIRK 01 06H | PRODUCING | Karnes County, TX | 28.916280 | -97.689907 | |||
| 42-255-38106 | KIRK-LONG SA1 1H | PRODUCING | Karnes County, TX | 28.916233 | -97.690134 | |||
| 42-123-35347 | KOOPMAN 01-L 01-S 01-A 01 SA1 01H | PRODUCING | DeWitt County, TX | 29.038751 | -97.556760 | |||
| 42-123-35348 | KOOPMAN 01-L 01-S 01-A 01 SA2 02H | PRODUCING | DeWitt County, TX | 29.038811 | -97.556722 | |||
| 42-255-37855 | L.B. HAILEY-DAVILA-BAILEY SA 1H | PRODUCING | Karnes County, TX | 28.797005 | -98.007543 | |||
| 42-123-35390 | LESKE-MOTL SA C 3H | PRODUCING | DeWitt County, TX | 29.159498 | -97.408281 | |||
| 42-013-36220 | MCS FOUNDATION UNIT 7H | PRODUCING | Atascosa County, TX | 28.761987 | -98.199741 | |||
| 42-013-36222 | MCS FOUNDATION UNIT 9H | PRODUCING | Atascosa County, TX | 28.762090 | -98.199841 | |||
| 42-013-36223 | MCS FOUNDATION-TOM FAMILY USW A 1 | PRODUCING | Atascosa County, TX | 28.762143 | -98.199891 | |||
| 42-013-36094 | MIDDLE MCCOWEN 103H | PRODUCING | Atascosa County, TX | 28.663338 | -98.374259 | |||
| 42-013-36095 | MIDDLE MCCOWEN 105H | PRODUCING | Atascosa County, TX | 28.664218 | -98.373024 | |||
| 42-013-36215 | MIDDLE MCCOWEN 133HR | PRODUCING | Atascosa County, TX | 28.692466 | -98.365442 | |||
| 42-013-36190 | MIDDLE MCCOWEN 136H | PRODUCING | Atascosa County, TX | 28.688604 | -98.354365 | |||
| 42-013-36196 | MIDDLE MCCOWEN 137H | PRODUCING | Atascosa County, TX | 28.689084 | -98.353921 | |||
| 42-013-36189 | MIDDLE MCCOWEN 138H | PRODUCING | Atascosa County, TX | 28.689137 | -98.353871 | |||
| 42-013-36188 | MIDDLE MCCOWEN 139H | PRODUCING | Atascosa County, TX | 28.689190 | -98.353821 | |||
| 42-013-36197 | MIDDLE MCCOWEN 191H | PRODUCING | Atascosa County, TX | 28.692331 | -98.365617 | |||
| 42-013-36198 | MIDDLE MCCOWEN 192H | PRODUCING | Atascosa County, TX | 28.692375 | -98.365558 | |||
| 42-013-36193 | MIDDLE MCCOWEN 194H | PRODUCING | Atascosa County, TX | 28.688658 | -98.354315 | |||
| 42-013-36191 | MIDDLE MCCOWEN 196H | PRODUCING | Atascosa County, TX | 28.688765 | -98.354217 | |||
| 42-013-36093 | MIDDLE MCCOWEN 260H | PRODUCING | Atascosa County, TX | 28.663301 | -98.374293 | |||
| 42-255-38261 | MILLER RIDOUT MIKKELSON SA1 1H | Horizontal Well Surface Locatio | Karnes County, TX | 28.870405 | -97.927594 | |||
| 42-255-38265 | MILLER RIDOUT MIKKELSON SA3 3H | Horizontal Well Surface Locatio | Karnes County, TX | 28.870475 | -97.927594 | |||
| 42-255-38262 | MILLER-RIDOUT UNIT 502H | Horizontal Well Surface Locatio | Karnes County, TX | 28.870544 | -97.927594 | |||
| 42-255-38061 | PATINO UNIT 5H | PRODUCING | Karnes County, TX | 28.777378 | -97.912797 | |||
| 42-255-38060 | PATINO UNIT 9H | PRODUCING | Karnes County, TX | 28.777329 | -97.912850 | |||
| 42-255-38059 | PATINO-FRANKE UNIT SA1 1H | PRODUCING | Karnes County, TX | 28.777278 | -97.912906 | |||
| 42-013-36205 | R MAY A-MAY GIRLS CHAPMAN SA2 2H | PRODUCING | Atascosa County, TX | 28.713705 | -98.240500 | |||
| 42-255-38077 | REYNOLDS GAS UNIT 2 2H | PRODUCING | Karnes County, TX | 28.905886 | -97.777381 | |||
| 42-255-38078 | REYNOLDS GAS UNIT 2 3H | PRODUCING | Karnes County, TX | 28.905833 | -97.777433 | |||
| 42-255-38118 | RIDLEY 01 12H | Horizontal Well Surface Locatio | Karnes County, TX | 28.893355 | -97.774491 | |||
| 42-255-38120 | RIDLEY 01 13H | Horizontal Well Surface Locatio | Karnes County, TX | 28.893321 | -97.774397 | |||
| 42-255-38121 | RIDLEY 01 16H | Horizontal Well Surface Locatio | Karnes County, TX | 28.893405 | -97.774522 | |||
| 42-255-38057 | RIPPSTEIN-HONS RAFTER SA1 1H | PRODUCING | Karnes County, TX | 28.893699 | -97.951189 |
| Lease # | Lease Name | County | Monthly Oil Prod. | Monthly Gas Prod. |
|---|---|---|---|---|
| Lease # | Lease Name | County | Monthly Oil Prod. | Monthly Gas Prod. |
| 01-21737 | 74 RANCH E | Atascosa County, TX | ||
| 01-20608 | 74 RANCH UNIT S3 | Atascosa County, TX | ||
| 01-15397 | BARNHART (EF) | Gonzales County, TX | ||
| 02-13128 | BARNHART (EF)-HFS SA1 | Gonzales County, TX | ||
| 02-13148 | BARNHART (EF)-HFS SA3 | Gonzales County, TX | ||
| 02-13152 | BARNHART (EF)-HFS SA5 | Gonzales County, TX | ||
| 02-13118 | BARNHART (EF)-HFS SA6 | Gonzales County, TX | ||
| 02-13130 | BARNHART (EF)-HFS SA7 | Gonzales County, TX | ||
| 02-13135 | BARNHART (EF)-HFS SA8 | Gonzales County, TX | ||
| 01-21712 | BARNHART (EF)-J.M. PRESTON SA1 | Gonzales County, TX | ||
| 02-13131 | BARNHART (EF)-J.M. PRESTON SA10 | Gonzales County, TX | ||
| 02-13129 | BARNHART (EF)-J.M. PRESTON SA6 | Gonzales County, TX | ||
| 01-20794 | BARNHART GRAND F UNIT-E UNIT SA | Gonzales County, TX | ||
| 01-21202 | DEATLEY GRIFFIN MAY A-B SA | Atascosa County, TX | ||
| 02-298263 | DEBILL-LISKA SA1 1H | Karnes County, TX | ||
| 02-298251 | DEMING-DEBILL SA1 1H | Karnes County, TX | ||
| 02-12918 | DEMING-HERBERN SA1 | Karnes County, TX | ||
| 02-298466 | DEMING-LONG SA1 1H | Karnes County, TX | ||
| 02-298245 | EASLEY UNIT 8H | Karnes County, TX | ||
| 02-287163 | FRANKE JOHNSON-PATINO 7H PSA 7H | Karnes County, TX | ||
| 01-17741 | GUAJILLO EAST | Atascosa County, TX | ||
| 01-21771 | HIERHOLZER RETZLOFF-MCMAHON SA1 | Atascosa County, TX | ||
| 01-21772 | HIERHOLZER RETZLOFF-MCMAHON SA2 | Atascosa County, TX | ||
| 01-21723 | HIERHOLZER RETZLOFF-MCMAHON SA3 | Atascosa County, TX | ||
| 02-10539 | HONS RAFTER UNIT | Karnes County, TX | ||
| 02-298042 | HOPE-BRUNS SA1 1H | DeWitt County, TX | ||
| 02-299071 | KIRK 01 06H | Karnes County, TX | ||
| 02-299058 | KIRK 01 503H | Karnes County, TX | ||
| 02-299069 | KIRK-LONG SA1 1H | Karnes County, TX | ||
| 02-296667 | KOOPMAN 01-L 01-S 01-A 01 SA1 01H | DeWitt County, TX | ||
| 02-296675 | KOOPMAN 01-L 01-S 01-A 01 SA2 02H | DeWitt County, TX | ||
| 02-296240 | L.B. HAILEY-DAVILA-BAILEY SA 1H | Karnes County, TX | ||
| 02-298538 | LESKE-JUDD-MOTL SA D 4H | DeWitt County, TX | ||
| 02-299127 | LESKE-MOTL SA C 3H | DeWitt County, TX | ||
| 01-21791 | MCS FOUNDATION UNIT | Atascosa County, TX | ||
| 01-21800 | MCS FOUNDATION-TOM FAMILY USW A | Atascosa County, TX | ||
| 01-15638 | MIDDLE MCCOWEN | Atascosa County, TX | ||
| 02-296666 | OLSON ESSE-KENNEDY SA2 2H | Karnes County, TX | ||
| 02-299805 | PATINO UNIT 5H | Karnes County, TX | ||
| 02-299074 | PATINO UNIT 9H | Karnes County, TX | ||
| 02-299143 | PATINO-FRANKE UNIT SA1 1H | Karnes County, TX | ||
| 01-21798 | R MAY A-MAY GIRLS CHAPMAN SA2 | Atascosa County, TX | ||
| 01-21797 | R MAY A-SCHROEDER CHAPMAN SA1 | Atascosa County, TX | ||
| 02-10222 | REYNOLDS GAS UNIT 2 | Karnes County, TX | ||
| 02-297962 | RIDLEY FARMS-DOUGLAS SA1 1H | Karnes County, TX | ||
| 02-12866 | RIPPSTEIN-HONS RAFTER SA1 | Karnes County, TX | ||
| 02-12865 | RIPPSTEIN-HONS RAFTER SA2 | Karnes County, TX | ||
| 01-21658 | STEWART GIESE HENKE SA4 | Atascosa County, TX | ||
| 02-10062 | TIPTON-JONAS UNIT | Karnes County, TX | ||
| 01-20500 | TOM-SMITH UNIT C | Atascosa County, TX |
| Property Name | County | Period | Monthly Oil Prod. | Monthly Gas Prod. | Production Range | Active Wells |
|---|---|---|---|---|---|---|
| Property Name | County | Period | Monthly Oil Prod. | Monthly Gas Prod. | Production Range | Active Wells |
| BAILEY-RETZLOFF UNIT | Karnes County, TX | Oct 2025 | 5,453 BBLs | 48,061 MCF | Oct 2012 - Nov 2025 | 21 |
| BARBOZA UNIT | Karnes County, TX | Oct 2025 | 7,235 BBLs | 54,454 MCF | Apr 2011 - Nov 2025 | 17 |
| BARNHART | Gonzales County, TX | Oct 2025 | 237,581 BBLs | 264,491 MCF | Jul 2010 - Nov 2025 | 121 |
| BARNHART (EF)-J.M. PRESTON SA | Gonzales County, TX | Oct 2025 | 68,593 BBLs | 44,579 MCF | Oct 2023 - Nov 2025 | 6 |
| BARNHART GRAND F UNIT-E UNIT SA | Gonzales County, TX | Oct 2025 | 12,288 BBLs | 6,465 MCF | Nov 2022 - Nov 2025 | 1 |
| BEAM MEYER-RICHARD BUTLER B SA | Karnes County, TX | Oct 2025 | 17,747 BBLs | 41,257 MCF | Aug 2024 - Nov 2025 | 3 |
| BEAM MEYER-TINA BUTLER SA1 | Karnes County, TX | Oct 2025 | 8,153 BBLs | 19,320 MCF | Aug 2024 - Nov 2025 | 1 |
| BERGEY FLETCHER SA | Gonzales County, TX | Oct 2025 | 8,117 BBLs | 14,970 MCF | Jul 2024 - Nov 2025 | 2 |
| BEST BATEMAN | Karnes County, TX | Oct 2025 | 13,193 BBLs | 23,335 MCF | Aug 2025 - Nov 2025 | 8 |
| BEST FENNER | Karnes County, TX | Oct 2025 | 16,629 BBLs | 28,836 MCF | Aug 2025 - Nov 2025 | 9 |
| BRYSCH ADAMS-BRYSCH JONAS | Karnes County, TX | Oct 2025 | 10,398 BBLs | 28,493 MCF | Sep 2022 - Nov 2025 | 2 |
| BRYSCH-JONAS | Karnes County, TX | Oct 2025 | 8,811 BBLs | 10,595 MCF | Aug 2011 - Nov 2025 | 20 |
| CHALLENGER | Karnes County, TX | Oct 2025 | 24,320 BBLs | 62,018 MCF | Feb 2013 - Nov 2025 | 39 |
| CHAPMAN HUMMEL | Karnes County, TX | Oct 2025 | 11,834 BBLs | 18,752 MCF | Oct 2012 - Nov 2025 | 5 |
| COY CITY RANCH | Karnes County, TX | Oct 2025 | 8,827 BBLs | 26,367 MCF | May 2011 - Nov 2025 | 18 |
| DAVILA UNIT | Karnes County, TX | Oct 2025 | 8,217 BBLs | 58,024 MCF | Jul 2012 - Nov 2025 | 20 |
| DAVILA-GRAHAM | Karnes County, TX | Oct 2025 | 6,619 BBLs | 40,500 MCF | Sep 2012 - Nov 2025 | 10 |
| DAVIS | Karnes County, TX | Oct 2025 | 8,503 BBLs | 59,563 MCF | Jan 2011 - Nov 2025 | 14 |
| DAVIS-ALEXANDER SA1 1H | Karnes County, TX | Oct 2025 | 25,031 BBLs | 128,255 MCF | Apr 2025 - Nov 2025 | 1 |
| DEATLEY-GRIFFIN | Atascosa County, TX | Oct 2025 | 29,633 BBLs | 41,441 MCF | Nov 2011 - Nov 2025 | 5 |
| DEBILL-LISKA SA1 1H | Karnes County, TX | Oct 2025 | 7,018 BBLs | 70,796 MCF | Sep 2024 - Nov 2025 | 1 |
| DEMING-DEBILL SA1 1H | Karnes County, TX | Oct 2025 | 6,989 BBLs | 79,777 MCF | Sep 2024 - Nov 2025 | 1 |
| DEMING-HERBERN SA1 | Karnes County, TX | Oct 2025 | 4,775 BBLs | 59,883 MCF | Sep 2024 - Nov 2025 | 1 |
| DEMING-LONG SA1 1H | Karnes County, TX | Oct 2025 | 7,990 BBLs | 91,011 MCF | Sep 2024 - Nov 2025 | 1 |
| DULLYE 01 | Karnes County, TX | Oct 2025 | 13,754 BBLs | 163,713 MCF | Nov 2010 - Nov 2025 | 8 |
| EASLEY UNIT | Karnes County, TX | Oct 2025 | 15,816 BBLs | 272,766 MCF | May 2010 - Nov 2025 | 12 |
| ELIZONDO 01 0 | Karnes County, TX | Oct 2025 | 86,789 BBLs | 379,764 MCF | Jul 2025 - Nov 2025 | 9 |
| FORISTER 541 | Karnes County, TX | Oct 2025 | 13,044 BBLs | 21,977 MCF | Dec 2011 - Nov 2025 | 12 |
| FOSTER UNIT | Karnes County, TX | Oct 2025 | 4,361 BBLs | 53,850 MCF | Apr 2011 - Nov 2025 | 22 |
| FRANK MALEK 0 | Live Oak County, TX | Oct 2025 | 9,960 BBLs | 208,144 MCF | Sep 2012 - Nov 2025 | 19 |
| FRANKE UNIT | Karnes County, TX | Oct 2025 | 16,816 BBLs | 78,042 MCF | Dec 2010 - Nov 2025 | 24 |
| FRANKE-JOHNSON | Karnes County, TX | Oct 2025 | 11,809 BBLs | 158,447 MCF | Jun 2012 - Nov 2025 | 17 |
| FRANSEN UNIT | Karnes County, TX | Oct 2025 | 18,001 BBLs | 35,742 MCF | Aug 2025 - Nov 2025 | 7 |
| FRANSEN-DIRECT ASSETS SA | Karnes County, TX | Oct 2025 | 32,187 BBLs | 56,993 MCF | Aug 2025 - Nov 2025 | 2 |
| GUAJILLO | Live Oak County, TX | Oct 2025 | 28,809 BBLs | 58,808 MCF | Jun 2014 - Nov 2025 | 55 |
| GUAJILLO UNIT | Atascosa County, TX | Oct 2025 | 33,541 BBLs | 40,582 MCF | Jan 2015 - Nov 2025 | 71 |
| HANDY | Karnes County, TX | Oct 2025 | 7,890 BBLs | 27,641 MCF | Apr 2010 - Nov 2025 | 14 |
| HAVEMAN | Karnes County, TX | Oct 2025 | 5,535 BBLs | 100,246 MCF | Dec 2010 - Nov 2025 | 14 |
| HEMBY UNIT | Karnes County, TX | Oct 2025 | 5,994 BBLs | 45,988 MCF | Aug 2012 - Nov 2025 | 19 |
| HIERHOLZER | Atascosa County, TX | Oct 2025 | 8,471 BBLs | 9,216 MCF | Nov 2010 - Nov 2025 | 2 |
| HIERHOLZER RETZLOFF | Atascosa County, TX | Oct 2025 | 47,538 BBLs | 81,940 MCF | Jun 2011 - Nov 2025 | 4 |
| HOLLAND OPIELA | Karnes County, TX | Oct 2025 | 8,048 BBLs | 18,048 MCF | Dec 2011 - Nov 2025 | 6 |
| HOLLMAN | Karnes County, TX | Oct 2025 | 6,085 BBLs | 40,109 MCF | Mar 2011 - Nov 2025 | 22 |
| HONS RAFTER UNIT | Karnes County, TX | Oct 2025 | 10,819 BBLs | 14,490 MCF | Jun 2013 - Nov 2025 | 5 |
| HOPE-BRUNS SA1 1H | DeWitt County, TX | Oct 2025 | 7,589 BBLs | 53,945 MCF | Jun 2024 - Nov 2025 | 1 |
| IVAS SMITH 0 | Live Oak County, TX | Oct 2025 | 6,978 BBLs | 46,629 MCF | Sep 2012 - Nov 2025 | 10 |
| JAMES GANO 01 | DeWitt County, TX | Oct 2025 | 3,326 BBLs | 58,783 MCF | Aug 2011 - Nov 2025 | 7 |
| JANSSEN - OETKEN 01 | Karnes County, TX | Oct 2025 | 4,145 BBLs | 73,941 MCF | Apr 2023 - Nov 2025 | 5 |
| JAUER-SONKA UNIT | Karnes County, TX | Oct 2025 | 9,105 BBLs | 8,947 MCF | Jul 2013 - Nov 2025 | 9 |
| JOHNSON-TSCHIRHART UNIT | Karnes County, TX | Oct 2025 | 23,004 BBLs | 168,073 MCF | Oct 2025 - Nov 2025 | 5 |
| JULIE BECK | Live Oak County, TX | Oct 2025 | 7,697 BBLs | 40,305 MCF | Nov 2010 - Nov 2025 | 17 |
| KARNES CITY | Karnes County, TX | Oct 2025 | 10,826 BBLs | 45,979 MCF | Dec 2013 - Nov 2025 | 15 |
| KARNES CITY N | Karnes County, TX | Oct 2025 | 9,575 BBLs | 11,355 MCF | Apr 2014 - Nov 2025 | 13 |
| KELLNER JONAS | Live Oak County, TX | Oct 2025 | 19,761 BBLs | 40,645 MCF | Jun 2011 - Nov 2025 | 8 |
| KIRK 01 | Karnes County, TX | Oct 2025 | 34,539 BBLs | 345,917 MCF | Apr 2011 - Nov 2025 | 14 |
| KIRK-LONG SA | Karnes County, TX | Oct 2025 | 12,004 BBLs | 103,992 MCF | Feb 2025 - Nov 2025 | 2 |
| KOOPMAN | DeWitt County, TX | Oct 2025 | 20,121 BBLs | 253,023 MCF | Jun 2011 - Nov 2025 | 7 |
| L.B. HAILEY | Karnes County, TX | Oct 2025 | 6,040 BBLs | 43,956 MCF | Jun 2013 - Nov 2025 | 4 |
| L.B. HAILEY-DAVILA | Karnes County, TX | Oct 2025 | 14,965 BBLs | 88,912 MCF | Apr 2024 - Nov 2025 | 2 |
| LESKE-JUDD-MOTL SA D | DeWitt County, TX | Oct 2025 | 7,770 BBLs | 48,505 MCF | Oct 2024 - Nov 2025 | 1 |
| LESKE-MOTL SA | DeWitt County, TX | Oct 2025 | 19,293 BBLs | 135,270 MCF | Oct 2024 - Nov 2025 | 3 |
| LIVE OAK PARTNERS 0 | Live Oak County, TX | Oct 2025 | 6,452 BBLs | 57,685 MCF | May 2013 - Nov 2025 | 6 |
| LOUISE STRAUBE 02 0 | DeWitt County, TX | Oct 2025 | 5,979 BBLs | 38,263 MCF | Aug 2011 - Nov 2025 | 7 |
| MANGIONE 01 | Karnes County, TX | Oct 2025 | 6,990 BBLs | 31,237 MCF | May 2012 - Nov 2025 | 15 |
| MAUCH TOM KRUEGER | Atascosa County, TX | Oct 2025 | 8,008 BBLs | 14,959 MCF | Apr 2023 - Nov 2025 | 2 |
| MAURER-MCFARLAND UNIT | Karnes County, TX | Oct 2025 | 8,375 BBLs | 22,048 MCF | Dec 2012 - Nov 2025 | 7 |
| MAY-RYAN UNIT | Karnes County, TX | Oct 2025 | 17,608 BBLs | 23,649 MCF | Feb 2012 - Nov 2025 | 11 |
| MCCOY EGBERT | Karnes County, TX | Oct 2025 | 9,724 BBLs | 22,122 MCF | Jan 2013 - Nov 2025 | 7 |
| MCS FOUNDATION | Atascosa County, TX | Oct 2025 | 60,370 BBLs | 63,158 MCF | Jul 2025 - Nov 2025 | 4 |
| MEDINA-HOFFMAN | Karnes County, TX | Oct 2025 | 8,495 BBLs | 11,396 MCF | Apr 2012 - Nov 2025 | 7 |
| MEDINA-JONAS | Karnes County, TX | Oct 2025 | 12,710 BBLs | 14,701 MCF | Feb 2012 - Nov 2025 | 18 |
| MILLER RIDOUT | Karnes County, TX | Oct 2025 | 60,969 BBLs | 78,659 MCF | Sep 2025 - Nov 2025 | 8 |
| MOBIL UNIT | Karnes County, TX | Oct 2025 | 8,841 BBLs | 63,762 MCF | Nov 2012 - Nov 2025 | 32 |
| MOCZYGEMBA | Karnes County, TX | Oct 2025 | 8,669 BBLs | 22,352 MCF | Oct 2013 - Nov 2025 | 7 |
| OLSON ESSE-KENNEDY SA | Karnes County, TX | Oct 2025 | 8,029 BBLs | 120,290 MCF | May 2024 - Nov 2025 | 2 |
| OLSON-ESSE UNIT | Karnes County, TX | Oct 2025 | 5,724 BBLs | 105,838 MCF | May 2012 - Nov 2025 | 4 |
| PATINO UNIT | Karnes County, TX | Oct 2025 | 15,251 BBLs | 186,393 MCF | Oct 2010 - Nov 2025 | 3 |
| PATINO-FRANKE UNIT SA1 1H | Karnes County, TX | Oct 2025 | 13,257 BBLs | 122,478 MCF | Feb 2025 - Nov 2025 | 1 |
| PFEIFER-SCHEELE HUTH UNIT A SA | Karnes County, TX | Oct 2025 | 17,214 BBLs | 41,928 MCF | Jan 2025 - Nov 2025 | 4 |
| R MAY A-MAY GIRLS CHAPMAN SA2 | Atascosa County, TX | Oct 2025 | 15,725 BBLs | 20,159 MCF | Jun 2025 - Nov 2025 | 1 |
| R MAY A-SCHROEDER CHAPMAN SA1 | Atascosa County, TX | Oct 2025 | 11,872 BBLs | 14,644 MCF | Jun 2025 - Nov 2025 | 1 |
| R. MAY | Atascosa County, TX | Oct 2025 | 16,115 BBLs | 15,971 MCF | Jun 2012 - Nov 2025 | 42 |
| RANCHO GRANDE TRUST | Karnes County, TX | Oct 2025 | 7,388 BBLs | 30,943 MCF | Jun 2010 - Nov 2025 | 13 |
| RESSMAN 01 | DeWitt County, TX | Oct 2025 | 5,348 BBLs | 38,200 MCF | Oct 2010 - Nov 2025 | 12 |
| RETZLOFF-MAY | Atascosa County, TX | Oct 2025 | 9,745 BBLs | 9,286 MCF | Oct 2011 - Nov 2025 | 2 |
| REYNOLDS | Karnes County, TX | Oct 2025 | 43,828 BBLs | 147,361 MCF | May 2011 - Nov 2025 | 17 |
| RIDLEY | Karnes County, TX | Oct 2025 | 49,633 BBLs | 138,142 MCF | Jun 2025 - Nov 2025 | 30 |
| RIPPSTEIN-HONS RAFTER SA | Karnes County, TX | Oct 2025 | 21,462 BBLs | 50,164 MCF | Aug 2024 - Nov 2025 | 2 |
| SAGER 01-DUDERSTADT 01 SA | DeWitt County, TX | Oct 2025 | 1,073 BBLs | 87,198 MCF | Jul 2023 - Nov 2025 | 2 |
| SAN CHRISTOVAL | Live Oak County, TX | Oct 2025 | 182,573 BBLs | 773,280 MCF | Sep 2011 - Nov 2025 | 70 |
| SCHENDEL | Karnes County, TX | Oct 2025 | 13,979 BBLs | 86,526 MCF | Oct 2010 - Nov 2025 | 27 |
| STEWART-GIESE | Atascosa County, TX | Oct 2025 | 26,167 BBLs | 44,057 MCF | Nov 2011 - Nov 2025 | 4 |
| STRAUBE 01 | DeWitt County, TX | Oct 2025 | 5,748 BBLs | 107,059 MCF | Apr 2011 - Nov 2025 | 11 |
| SWIZE MCFARLAND UNIT | Karnes County, TX | Oct 2025 | 8,797 BBLs | 16,846 MCF | Dec 2012 - Nov 2025 | 5 |
| TIPTON-JONAS UNIT | Karnes County, TX | Oct 2025 | 10,611 BBLs | 20,264 MCF | May 2012 - Nov 2025 | 7 |
| TOM-SMITH UNIT | Atascosa County, TX | Oct 2025 | 17,501 BBLs | 16,149 MCF | May 2021 - Nov 2025 | 12 |
| TURNBULL | Karnes County, TX | Oct 2025 | 30,979 BBLs | 93,990 MCF | Jun 2010 - Nov 2025 | 51 |
| WARNER | Karnes County, TX | Oct 2025 | 7,808 BBLs | 38,982 MCF | Apr 2012 - Nov 2025 | 15 |
| WESSENDORFF | Karnes County, TX | Oct 2025 | 14,310 BBLs | 163,799 MCF | Apr 2006 - Nov 2025 | 29 |
| WINGNUT UNIT | Karnes County, TX | Oct 2025 | 7,959 BBLs | 15,818 MCF | Jan 2013 - Nov 2025 | 18 |
| Well Name | County | API # | Submitted | Approved | Type | Drill | Well | Status | Proposed Depth |
|---|---|---|---|---|---|---|---|---|---|
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These are the contact records we have for Marathon Oil Ef LLC. They are obtained from the state and county goverment agency where we obtain our data.
| Address | Phone # |
|---|---|
| 990 TOWN AND COUNTRY BLVD ATTN TAX DEPAR HOUSTON, TX 77024 | (918) 925-6907 |
| 990 TOWN AND COUNTRY BLVD, HOUSTON, TX 77024-2217 | |
| PO BOX 2197 REGULATORY DEPT HOUSTON, TX 77252 | (832) 486-2737 |