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 - Dec 2025 |
| Total Oil Production | 544,545,093 BBLs |
| Total Gas Production | 1,648,735,767 MCF |
| Estimated Daily Oil Prod. | 93,471 BBLs |
| Estimated Daily Gas Prod. | 345,412 MCF |
| Estimated Daily Water Prod. | 165,452 BBLs |
| Producing Wells | 2,414 |
| 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 |
| 42-177-34702 | BARNHART (EF) 113H | PRODUCING | Gonzales County, TX | 29.302105 | -97.506778 | |||
| 42-177-34695 | BARNHART (EF) 63H | PRODUCING | Gonzales County, TX | 29.238774 | -97.476571 | |||
| 42-177-34703 | BARNHART (EF)-J.M. PRESTON SA1 115H | PRODUCING | Gonzales County, TX | 29.302155 | -97.506669 | |||
| 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 | |||
| 42-255-38153 | DAVIS-MENSIK SA1 1H | Horizontal Well Surface Locatio | Karnes County, TX | 28.864141 | -97.835475 | |||
| 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 | |||
| 42-013-36187 | 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 | |||
| 42-255-38104 | KIRK 01 06H | PRODUCING | Karnes County, TX | 28.916280 | -97.689907 | |||
| 42-255-38105 | KIRK 01 503H | PRODUCING | Karnes County, TX | 28.916265 | -97.689983 | |||
| 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 | |||
| 42-013-36221 | MCS FOUNDATION UNIT 8H | PRODUCING | Atascosa County, TX | 28.762037 | -98.199791 | |||
| 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 | |||
| 42-013-36215 | 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 | |||
| 42-013-35965 | MIDDLE MCCOWEN 188H | PRODUCING | Atascosa County, TX | 28.692612 | -98.365250 | |||
| 42-013-36198 | MIDDLE MCCOWEN 192H | PRODUCING | Atascosa County, TX | 28.692375 | -98.365558 | |||
| 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 | |||
| 42-255-38061 | 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 | |||
| 42-013-36204 | R MAY A-SCHROEDER CHAPMAN SA1 1H | PRODUCING | Atascosa County, TX | 28.713618 | -98.240619 | |||
| 42-013-36203 | R. MAY A 13H | PRODUCING | Atascosa County, TX | 28.713661 | -98.240560 | |||
| 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 | |||
| 42-255-38058 | RIPPSTEIN-HONS RAFTER SA2 2H | PRODUCING | Karnes County, TX | 28.893729 | -97.951267 | |||
| 42-013-36087 | STEWART GIESE HENKE SA4 4H | PRODUCING | Atascosa County, TX | 28.762591 | -98.153434 |
| Lease # | Lease Name | County | Monthly Oil Prod. | Monthly Gas Prod. |
|---|---|---|---|---|
| Lease # | Lease Name | County | Monthly Oil Prod. | Monthly Gas Prod. |
| 01-20608 | 74 RANCH UNIT S3 | Atascosa County, TX | ||
| 01-15397 | BARNHART (EF) | Gonzales County, TX | ||
| 01-16813 | BARNHART (EF) H | Gonzales County, TX | ||
| 01-21670 | BARNHART (EF) H UNIT SA3 | Gonzales County, TX | ||
| 01-21712 | BARNHART (EF)-J.M. PRESTON SA1 | Gonzales County, TX | ||
| 02-12875 | BEAM MEYER-TINA BUTLER SA1 | Karnes 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 | ||
| 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 | ||
| 02-10590 | JAUER-SONKA UNIT | Karnes County, TX | ||
| 02-09944 | JULIE BECK | Karnes 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 | ||
| 02-299268 | KIRK-LONG SA2 2H | 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 | ||
| 02-298548 | LESKE-MOTL SA A 1H | 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 | ||
| 01-16012 | R. MAY A | Atascosa County, TX | ||
| 01-21496 | RETZLOFF-MAY-TOM SA1 | Atascosa County, TX | ||
| 02-10222 | REYNOLDS GAS UNIT 2 | Karnes County, TX | ||
| 02-11355 | RIDLEY 01 | 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 | ||
| 01-21711 | STEWART GIESE HENKE SA2 | Atascosa County, TX | ||
| 01-21617 | STEWART GIESE HENKE SA3 | Atascosa 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 |
| BARBOZA UNIT | Karnes County, TX | Aug 2025 | 8,954 BBLs | 60,501 MCF | Apr 2011 - Sep 2025 | 16 |
| BARNHART (EF) H UNIT SA | Gonzales County, TX | Aug 2025 | 13,420 BBLs | 14,622 MCF | Aug 2023 - Sep 2025 | 2 |
| BARNHART (EF)-J.M. PRESTON SA | Gonzales County, TX | Aug 2025 | 27,287 BBLs | 18,021 MCF | Oct 2023 - Sep 2025 | 5 |
| BEAM MEYER-RICHARD BUTLER B SA | Karnes County, TX | Aug 2025 | 18,346 BBLs | 42,553 MCF | Aug 2024 - Sep 2025 | 3 |
| BEAM MEYER-TINA BUTLER SA1 | Karnes County, TX | Aug 2025 | 8,819 BBLs | 18,279 MCF | Aug 2024 - Sep 2025 | 1 |
| BEAM-MEYER | Karnes County, TX | Aug 2025 | 7,985 BBLs | 15,017 MCF | Dec 2011 - Sep 2025 | 2 |
| BERGEY FLETCHER SA | Gonzales County, TX | Aug 2025 | 9,324 BBLs | 15,127 MCF | Jul 2024 - Sep 2025 | 2 |
| BEST BATEMAN | Karnes County, TX | Aug 2025 | 19,228 BBLs | 22,520 MCF | Aug 2025 - Sep 2025 | 8 |
| BEST FENNER | Karnes County, TX | Aug 2025 | 37,583 BBLs | 57,492 MCF | Aug 2025 - Sep 2025 | 9 |
| BRYSCH ADAMS-BRYSCH JONAS | Karnes County, TX | Aug 2025 | 10,238 BBLs | 26,547 MCF | Sep 2022 - Sep 2025 | 2 |
| CHALLENGER | Karnes County, TX | Aug 2025 | 26,028 BBLs | 53,713 MCF | Feb 2013 - Sep 2025 | 39 |
| CHAPMAN HUMMEL | Karnes County, TX | Aug 2025 | 11,827 BBLs | 19,778 MCF | Oct 2012 - Sep 2025 | 5 |
| COY CITY RANCH | Karnes County, TX | Aug 2025 | 10,633 BBLs | 31,941 MCF | May 2011 - Sep 2025 | 18 |
| DAVILA UNIT | Karnes County, TX | Aug 2025 | 7,059 BBLs | 62,879 MCF | Jul 2012 - Sep 2025 | 20 |
| DAVILA-GRAHAM | Karnes County, TX | Aug 2025 | 5,889 BBLs | 43,319 MCF | Sep 2012 - Sep 2025 | 10 |
| DAVIS | Karnes County, TX | Aug 2025 | 12,224 BBLs | 73,654 MCF | Jan 2011 - Sep 2025 | 14 |
| DAVIS-ALEXANDER SA1 1H | Karnes County, TX | Aug 2025 | 28,964 BBLs | 131,434 MCF | Apr 2025 - Sep 2025 | 1 |
| DAVIS-MENSIK SA1 1H | Karnes County, TX | Aug 2025 | 30,726 BBLs | 129,646 MCF | Apr 2025 - Sep 2025 | 1 |
| DEATLEY HOLLUB | Atascosa County, TX | Aug 2025 | 9,363 BBLs | 14,897 MCF | Nov 2011 - Sep 2025 | 9 |
| DEATLEY-GRIFFIN | Atascosa County, TX | Aug 2025 | 25,230 BBLs | 41,665 MCF | Nov 2011 - Sep 2025 | 5 |
| DEBILL-LISKA SA1 1H | Karnes County, TX | Aug 2025 | 8,970 BBLs | 62,947 MCF | Sep 2024 - Sep 2025 | 1 |
| DEMING-DEBILL SA1 1H | Karnes County, TX | Aug 2025 | 8,735 BBLs | 105,715 MCF | Sep 2024 - Sep 2025 | 1 |
| DEMING-HERBERN SA1 | Karnes County, TX | Aug 2025 | 6,354 BBLs | 71,938 MCF | Sep 2024 - Sep 2025 | 1 |
| DEMING-LONG SA1 1H | Karnes County, TX | Aug 2025 | 11,982 BBLs | 118,422 MCF | Sep 2024 - Sep 2025 | 1 |
| DULLYE 01 | Karnes County, TX | Aug 2025 | 16,446 BBLs | 179,259 MCF | Nov 2010 - Sep 2025 | 8 |
| EASLEY UNIT | Karnes County, TX | Aug 2025 | 17,416 BBLs | 312,907 MCF | May 2010 - Sep 2025 | 11 |
| ELIZONDO 01 0 | Karnes County, TX | Aug 2025 | 124,414 BBLs | 639,811 MCF | Jul 2025 - Sep 2025 | 9 |
| ETHRIDGE UNIT | Atascosa County, TX | Aug 2025 | 8,158 BBLs | 16,212 MCF | Sep 2011 - Sep 2025 | 6 |
| FORISTER 541 | Karnes County, TX | Aug 2025 | 14,750 BBLs | 29,716 MCF | Dec 2011 - Sep 2025 | 12 |
| FOUSHEE-WRIGHT KEATHLEY SA | Atascosa County, TX | Aug 2025 | 7,972 BBLs | 9,236 MCF | Apr 2021 - Sep 2025 | 4 |
| FRANK MALEK 0 | Live Oak County, TX | Aug 2025 | 14,562 BBLs | 297,262 MCF | Sep 2012 - Sep 2025 | 19 |
| FRANKE UNIT | Karnes County, TX | Aug 2025 | 18,242 BBLs | 84,021 MCF | Dec 2010 - Sep 2025 | 24 |
| FRANKE-JOHNSON | Karnes County, TX | Aug 2025 | 7,227 BBLs | 87,837 MCF | Jun 2012 - Sep 2025 | 17 |
| FRANKE-MAY UNIT | Karnes County, TX | Aug 2025 | 8,486 BBLs | 7,070 MCF | Dec 2013 - Sep 2025 | 12 |
| GUAJILLO | Live Oak County, TX | Aug 2025 | 30,891 BBLs | 66,494 MCF | Jun 2014 - Sep 2025 | 55 |
| GUAJILLO UNIT | Atascosa County, TX | Aug 2025 | 30,915 BBLs | 48,853 MCF | Jan 2015 - Sep 2025 | 71 |
| HALL-MANNING | Gonzales County, TX | Aug 2025 | 8,668 BBLs | 6,677 MCF | Sep 2014 - Sep 2025 | 7 |
| HARTMAN-RIPPSTEIN MIKKELSON SA1 | Karnes County, TX | Aug 2025 | 8,327 BBLs | 15,380 MCF | Aug 2024 - Sep 2025 | 1 |
| HAVEMAN | Karnes County, TX | Aug 2025 | 6,725 BBLs | 120,397 MCF | Dec 2010 - Sep 2025 | 14 |
| HEMBY UNIT | Karnes County, TX | Aug 2025 | 7,347 BBLs | 40,599 MCF | Aug 2012 - Sep 2025 | 19 |
| HIERHOLZER RETZLOFF | Atascosa County, TX | Aug 2025 | 66,810 BBLs | 100,929 MCF | Jun 2011 - Sep 2025 | 4 |
| HIERHOLZER SEEWALD | Atascosa County, TX | Aug 2025 | 8,213 BBLs | 6,832 MCF | Jun 2011 - Sep 2025 | 3 |
| HOLLAND OPIELA | Karnes County, TX | Aug 2025 | 9,189 BBLs | 17,677 MCF | Dec 2011 - Sep 2025 | 6 |
| HOLLMAN | Karnes County, TX | Aug 2025 | 7,009 BBLs | 49,514 MCF | Mar 2011 - Sep 2025 | 22 |
| HONS RAFTER UNIT | Karnes County, TX | Aug 2025 | 11,628 BBLs | 16,964 MCF | Jun 2013 - Sep 2025 | 5 |
| HOPE-BRUNS SA1 1H | DeWitt County, TX | Aug 2025 | 8,542 BBLs | 59,149 MCF | Jun 2024 - Sep 2025 | 1 |
| JANSSEN - OETKEN 01 | Karnes County, TX | Aug 2025 | 5,104 BBLs | 78,855 MCF | Apr 2023 - Sep 2025 | 5 |
| JAUER-SONKA UNIT | Karnes County, TX | Aug 2025 | 11,442 BBLs | 6,828 MCF | Jul 2013 - Sep 2025 | 9 |
| JULIE BECK | Live Oak County, TX | Aug 2025 | 10,728 BBLs | 49,817 MCF | Nov 2010 - Sep 2025 | 17 |
| KARNES CITY | Karnes County, TX | Aug 2025 | 10,391 BBLs | 9,672 MCF | Dec 2013 - Sep 2025 | 15 |
| KELLNER-JONAS | Live Oak County, TX | Aug 2025 | 17,007 BBLs | 38,893 MCF | Jun 2011 - Sep 2025 | 8 |
| KIRK 01 | Karnes County, TX | Aug 2025 | 41,836 BBLs | 385,058 MCF | Apr 2011 - Sep 2025 | 14 |
| KIRK-LONG SA | Karnes County, TX | Aug 2025 | 19,012 BBLs | 143,300 MCF | Feb 2025 - Sep 2025 | 2 |
| KOOPMAN | DeWitt County, TX | Aug 2025 | 24,659 BBLs | 280,024 MCF | Jun 2011 - Sep 2025 | 7 |
| L.B. HAILEY | Karnes County, TX | Aug 2025 | 6,465 BBLs | 51,714 MCF | Jun 2013 - Sep 2025 | 4 |
| L.B. HAILEY-DAVILA | Karnes County, TX | Aug 2025 | 14,528 BBLs | 71,823 MCF | Apr 2024 - Sep 2025 | 2 |
| LESKE-JUDD-MOTL SA D | DeWitt County, TX | Aug 2025 | 9,414 BBLs | 58,319 MCF | Oct 2024 - Sep 2025 | 1 |
| LESKE-MOTL SA | DeWitt County, TX | Aug 2025 | 24,271 BBLs | 161,844 MCF | Oct 2024 - Sep 2025 | 3 |
| LIVE OAK PARTNERS 0 | Live Oak County, TX | Aug 2025 | 6,897 BBLs | 65,964 MCF | May 2013 - Sep 2025 | 6 |
| MAUCH TOM KRUEGER | Atascosa County, TX | Aug 2025 | 8,712 BBLs | 14,196 MCF | Apr 2023 - Sep 2025 | 2 |
| MAURER-MCFARLAND UNIT | Karnes County, TX | Aug 2025 | 9,176 BBLs | 20,001 MCF | Dec 2012 - Sep 2025 | 7 |
| MAY B UNIT | Karnes County, TX | Aug 2025 | 7,417 BBLs | 58,181 MCF | Dec 2012 - Sep 2025 | 24 |
| MAY-RYAN ABC-ATLAS SA | Karnes County, TX | Aug 2025 | 7,686 BBLs | 10,116 MCF | Feb 2024 - Sep 2025 | 1 |
| MAY-RYAN UNIT | Karnes County, TX | Aug 2025 | 15,524 BBLs | 23,763 MCF | Feb 2012 - Sep 2025 | 11 |
| MCCOY EGBERT | Karnes County, TX | Aug 2025 | 10,504 BBLs | 22,601 MCF | Jan 2013 - Sep 2025 | 7 |
| MCS FOUNDATION | Atascosa County, TX | Aug 2025 | 105,646 BBLs | 87,880 MCF | Jul 2025 - Sep 2025 | 4 |
| MEDINA-HOFFMAN | Karnes County, TX | Aug 2025 | 9,175 BBLs | 13,850 MCF | Apr 2012 - Sep 2025 | 7 |
| MEDINA-JONAS | Karnes County, TX | Aug 2025 | 13,085 BBLs | 16,772 MCF | Feb 2012 - Sep 2025 | 18 |
| MOBIL UNIT | Karnes County, TX | Aug 2025 | 9,701 BBLs | 64,156 MCF | Nov 2012 - Sep 2025 | 31 |
| MOCZYGEMBA | Karnes County, TX | Aug 2025 | 8,778 BBLs | 30,786 MCF | Oct 2013 - Sep 2025 | 7 |
| MOHR-HONS UNIT | Karnes County, TX | Aug 2025 | 8,695 BBLs | 10,255 MCF | May 2012 - Sep 2025 | 8 |
| MURPHY-SINCLAIR UNIT | Karnes County, TX | Aug 2025 | 7,433 BBLs | 29,870 MCF | Oct 2012 - Sep 2025 | 14 |
| OLSON ESSE-KENNEDY SA | Karnes County, TX | Aug 2025 | 9,529 BBLs | 141,412 MCF | May 2024 - Sep 2025 | 2 |
| OLSON-ESSE UNIT | Karnes County, TX | Aug 2025 | 4,188 BBLs | 87,933 MCF | May 2012 - Sep 2025 | 4 |
| PATINO UNIT | Karnes County, TX | Aug 2025 | 21,609 BBLs | 250,449 MCF | Oct 2010 - Sep 2025 | 3 |
| PATINO-FRANKE UNIT SA1 1H | Karnes County, TX | Aug 2025 | 16,201 BBLs | 146,407 MCF | Feb 2025 - Sep 2025 | 1 |
| PFEIFER-SCHEELE HUTH UNIT A SA | Karnes County, TX | Aug 2025 | 22,993 BBLs | 52,563 MCF | Jan 2025 - Sep 2025 | 4 |
| R MAY A-MAY GIRLS CHAPMAN SA2 | Atascosa County, TX | Aug 2025 | 30,406 BBLs | 30,849 MCF | Jun 2025 - Sep 2025 | 1 |
| R MAY A-SCHROEDER CHAPMAN SA1 | Atascosa County, TX | Aug 2025 | 25,314 BBLs | 23,195 MCF | Jun 2025 - Sep 2025 | 1 |
| R. MAY | Atascosa County, TX | Aug 2025 | 27,251 BBLs | 20,415 MCF | Jun 2012 - Sep 2025 | 42 |
| RANCHO GRANDE TRUST | Karnes County, TX | Aug 2025 | 7,406 BBLs | 34,694 MCF | Jun 2010 - Sep 2025 | 13 |
| RESSMAN 01 | DeWitt County, TX | Aug 2025 | 5,871 BBLs | 40,886 MCF | Oct 2010 - Sep 2025 | 12 |
| RESSMAN-JAMES GANO SA1 1H | DeWitt County, TX | Aug 2025 | 5,619 BBLs | 43,523 MCF | Jun 2024 - Sep 2025 | 1 |
| RETZLOFF-MAY | Atascosa County, TX | Aug 2025 | 9,952 BBLs | 6,542 MCF | Oct 2011 - Sep 2025 | 2 |
| REYNOLDS | Karnes County, TX | Aug 2025 | 44,914 BBLs | 145,820 MCF | May 2011 - Sep 2025 | 17 |
| RIDLEY | Karnes County, TX | Aug 2025 | 86,030 BBLs | 225,316 MCF | Jun 2025 - Sep 2025 | 30 |
| RIPPSTEIN-HONS RAFTER SA | Karnes County, TX | Aug 2025 | 26,692 BBLs | 52,758 MCF | Aug 2024 - Sep 2025 | 2 |
| SAN CHRISTOVAL | Live Oak County, TX | Aug 2025 | 200,102 BBLs | 833,853 MCF | Sep 2011 - Sep 2025 | 68 |
| SCHENDEL | Karnes County, TX | Aug 2025 | 18,722 BBLs | 79,404 MCF | Oct 2010 - Sep 2025 | 27 |
| SCHENDEL-REYNOLDS SA1 1H | Karnes County, TX | Aug 2025 | 6,439 BBLs | 39,287 MCF | May 2024 - Sep 2025 | 1 |
| SMITH-MELLICK | Karnes County, TX | Aug 2025 | 8,599 BBLs | 17,015 MCF | Dec 2011 - Sep 2025 | 6 |
| STEWART-GIESE | Atascosa County, TX | Aug 2025 | 35,958 BBLs | 51,452 MCF | Nov 2011 - Sep 2025 | 4 |
| STRAUBE 01 | DeWitt County, TX | Aug 2025 | 6,449 BBLs | 112,280 MCF | Apr 2011 - Sep 2025 | 11 |
| TIPTON-JONAS UNIT | Karnes County, TX | Aug 2025 | 9,747 BBLs | 20,987 MCF | May 2012 - Sep 2025 | 7 |
| TOM-SMITH UNIT | Atascosa County, TX | Aug 2025 | 18,843 BBLs | 22,409 MCF | May 2021 - Sep 2025 | 12 |
| TURNBULL | Karnes County, TX | Aug 2025 | 32,792 BBLs | 117,885 MCF | Jun 2010 - Sep 2025 | 51 |
| WARNER | Karnes County, TX | Aug 2025 | 12,156 BBLs | 53,137 MCF | Apr 2012 - Sep 2025 | 15 |
| WESSENDORFF | Karnes County, TX | Aug 2025 | 20,159 BBLs | 241,956 MCF | Apr 2006 - Sep 2025 | 28 |
| WHITLEY-SCHEELE HUTH UNIT A SA1 | Karnes County, TX | Aug 2025 | 7,402 BBLs | 13,616 MCF | Jan 2025 - Sep 2025 | 1 |
| WINGNUT UNIT | Karnes County, TX | Aug 2025 | 11,251 BBLs | 24,075 MCF | Jan 2013 - Sep 2025 | 18 |
| Well Name | County | API # | Submitted | Approved | Type | Drill | Well | Status | Proposed Depth |
|---|---|---|---|---|---|---|---|---|---|
| Please Subscribe to View Permits filed by Marathon Oil Ef LLC | |||||||||
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 |