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 - Sep 2026 |
| Total Oil Production | 566,419,052 BBLs |
| Total Gas Production | 1,726,743,665 MCF |
| Estimated Daily Oil Prod. | 69,476 BBLs |
| Estimated Daily Gas Prod. | 255,253 MCF |
| Estimated Daily Water Prod. | 34,957 BBLs |
| Producing Wells | 2,208 |
| 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 |
| 42-013-36200 | 74 RANCH E 11 | PRODUCING | Atascosa County, TX | 28.689404 | -98.353623 | |||
| 42-123-35469 | ANNE FRIAR THOMAS 7H | Horizontal Well Surface Locatio | DeWitt County, TX | 29.261300 | -97.289947 | |||
| 42-123-35470 | ANNE FRIAR THOMAS AC 9H | Horizontal Well Surface Locatio | DeWitt County, TX | 29.261267 | -97.289878 | |||
| 42-255-38165 | BEST FENNER-MORGAN SA1 1H | Horizontal Well Surface Locatio | Karnes County, TX | 28.820124 | -98.007918 | |||
| 42-255-38008 | BRYSCH ADAMS-BRYSCH JONAS C SA1 1H | PRODUCING | Karnes County, TX | 28.840435 | -97.968851 | |||
| 42-255-38154 | DAVIS-ALEXANDER SA1 1H | PRODUCING | Karnes County, TX | 28.864128 | -97.835370 | |||
| 42-255-38153 | DAVIS-MENSIK SA1 1H | PRODUCING | Karnes County, TX | 28.864141 | -97.835475 | |||
| 42-255-32932 | DEBILL 01 04H | PRODUCING | Karnes County, TX | 28.920857 | -97.699869 | |||
| 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 | |||
| 42-123-33046 | EDWARD ROEDER 02 03H | PRODUCING | DeWitt County, TX | 28.998165 | -97.606056 | |||
| 42-123-33047 | EDWARD ROEDER 02 04H | PRODUCING | DeWitt County, TX | 28.998170 | -97.605969 | |||
| 42-123-35597 | EDWARD ROEDER-JAMES GANO SA1 1H | PRODUCING | DeWitt County, TX | 28.998684 | -97.606002 | |||
| 42-123-35609 | EDWARD ROEDER-MIGURA A SA1 1H | PRODUCING | DeWitt County, TX | 28.998625 | -97.606044 | |||
| 42-255-38147 | FELIX UNIT 3H | Horizontal Well Surface Locatio | Karnes County, TX | 28.843259 | -98.023457 | |||
| 42-255-38146 | FELIX UNIT 4H | Horizontal Well Surface Locatio | Karnes County, TX | 28.843195 | -98.023432 | |||
| 42-255-38145 | FELIX UNIT 5H | Horizontal Well Surface Locatio | Karnes County, TX | 28.843128 | -98.023410 | |||
| 42-255-38148 | FELIX UNIT 9H | Horizontal Well Surface Locatio | Karnes County, TX | 28.843326 | -98.023482 | |||
| 42-255-38149 | FELIX-SMITH MELLICK SA 1H | Horizontal Well Surface Locatio | Karnes County, TX | 28.843065 | -98.023385 | |||
| 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 | |||
| 42-013-36230 | GRIFFIN-KRUEGER SA1 1H | PRODUCING | Atascosa County, TX | 28.789263 | -98.160948 | |||
| 42-013-36231 | GRIFFIN-KRUEGER SA2 2H | PRODUCING | Atascosa County, TX | 28.789317 | -98.160999 | |||
| 42-013-36232 | GRIFFIN-KRUEGER SA3 3H | PRODUCING | Atascosa County, TX | 28.789368 | -98.161049 | |||
| 42-013-36233 | GRIFFIN-KRUEGER SA4 4H | PRODUCING | Atascosa County, TX | 28.789421 | -98.161099 | |||
| 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 | |||
| 42-013-36039 | HIERHOLZER-CHAPMAN SA 1H | PRODUCING | Atascosa County, TX | 28.791353 | -98.115736 | |||
| 42-255-38271 | JOHNSON-TSCHIRHART UNIT 10H | Horizontal Well Surface Locatio | Karnes County, TX | 28.776054 | -97.934476 | |||
| 42-255-38269 | JOHNSON-TSCHIRHART UNIT 8H | Horizontal Well Surface Locatio | Karnes County, TX | 28.775861 | -97.934396 | |||
| 42-255-38270 | JOHNSON-TSCHIRHART UNIT 9H | Horizontal Well Surface Locatio | Karnes County, TX | 28.775925 | -97.934423 | |||
| 42-255-38272 | JOHNSON-TSCHIRHART UNIT AC 10H | Horizontal Well Surface Locatio | Karnes County, TX | 28.775990 | -97.934449 | |||
| 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 | |||
| 42-013-36220 | 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 | |||
| 42-013-36223 | MCS FOUNDATION-TOM FAMILY USW A 1 | PRODUCING | Atascosa County, TX | 28.762143 | -98.199891 | |||
| 42-013-36097 | MIDDLE MCCOWEN 174H | PRODUCING | Atascosa County, TX | 28.664299 | -98.372905 | |||
| 42-013-36098 | MIDDLE MCCOWEN 175H | PRODUCING | Atascosa County, TX | 28.664346 | -98.372838 | |||
| 42-255-38261 | MILLER RIDOUT MIKKELSON SA1 1H | Horizontal Well Surface Locatio | Karnes County, TX | 28.870405 | -97.927594 | |||
| 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 | |||
| 42-013-36133 | RETZLOFF-MAY-TOM SA1 01H | PRODUCING | Atascosa County, TX | 28.734438 | -98.171166 | |||
| 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 | |||
| 42-255-38057 | RIPPSTEIN-HONS RAFTER SA1 1H | PRODUCING | Karnes County, TX | 28.893699 | -97.951189 | |||
| 42-013-36087 | STEWART GIESE HENKE SA4 4H | PRODUCING | Atascosa County, TX | 28.762591 | -98.153434 | |||
| 42-123-35471 | THOMAS-ANNE SA2 2H | Horizontal Well Surface Locatio | DeWitt County, TX | 29.261331 | -97.290019 |
| 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 | ||
| 01-20617 | 74 RANCH UNIT S2 | Atascosa County, TX | ||
| 01-20608 | 74 RANCH UNIT S3 | Atascosa County, TX | ||
| 01-15397 | BARNHART (EF) | Gonzales County, TX | ||
| 01-16813 | BARNHART (EF) H | Gonzales County, TX | ||
| 02-13134 | BARNHART (EF)-HFS SA4 | 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 | ||
| 01-21225 | BARNHART (EF)-J.M. PRESTON SA5 | Gonzales County, TX | ||
| 02-10478 | BORIS UNIT | Karnes County, TX | ||
| 02-10446 | CHALLENGER UNIT C | Karnes County, TX | ||
| 02-300842 | DAVIS-ALEXANDER SA1 1H | Karnes County, TX | ||
| 02-300819 | DAVIS-MENSIK SA1 1H | Karnes County, TX | ||
| 02-271129 | DEBILL 01 04H | Karnes County, TX | ||
| 02-298251 | DEMING-DEBILL SA1 1H | Karnes County, TX | ||
| 02-298466 | DEMING-LONG SA1 1H | Karnes County, TX | ||
| 02-271327 | EDWARD ROEDER 02 03H | DeWitt County, TX | ||
| 02-271534 | EDWARD ROEDER 02 04H | DeWitt County, TX | ||
| 02-300902 | EDWARD ROEDER-JAMES GANO SA1 1H | DeWitt County, TX | ||
| 02-300923 | EDWARD ROEDER-MIGURA A SA1 1H | DeWitt County, TX | ||
| 02-301342 | ELIZONDO 01 07H | Karnes County, TX | ||
| 02-301388 | ELIZONDO 01 09H | Karnes County, TX | ||
| 01-21864 | GRIFFIN-KRUEGER SA1 | Atascosa County, TX | ||
| 01-21865 | GRIFFIN-KRUEGER SA2 | Atascosa County, TX | ||
| 01-21872 | GRIFFIN-KRUEGER SA3 | Atascosa County, TX | ||
| 01-21866 | GRIFFIN-KRUEGER SA4 | Atascosa 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 | ||
| 02-296675 | 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 | ||
| 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 | ||
| 02-299143 | 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 | ||
| 02-12866 | RIPPSTEIN-HONS RAFTER SA1 | Karnes County, TX | ||
| 02-10062 | TIPTON-JONAS UNIT | Karnes County, TX | ||
| 01-18809 | TOM-SMITH UNIT B | Atascosa 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 |
| ANNE FRIAR THOMAS | DeWitt County, TX | May 2026 | 24,204 BBLs | 146,428 MCF | Mar 2026 - Jun 2026 | 2 |
| BAILEY-RETZLOFF UNIT | Karnes County, TX | May 2026 | 4,298 BBLs | 36,400 MCF | Oct 2012 - Jun 2026 | 20 |
| BARBOZA UNIT | Karnes County, TX | May 2026 | 4,499 BBLs | 40,027 MCF | Apr 2011 - Jun 2026 | 16 |
| BARNHART | Gonzales County, TX | May 2026 | 171,931 BBLs | 206,515 MCF | Jul 2010 - Jun 2026 | 128 |
| BARNHART (EF) | Gonzales County, TX | May 2026 | 53,371 BBLs | 28,604 MCF | Aug 2023 - Jun 2026 | 12 |
| BEAM MEYER-RICHARD BUTLER B SA | Karnes County, TX | May 2026 | 11,874 BBLs | 18,619 MCF | Aug 2024 - Jun 2026 | 3 |
| BEAM MEYER-TINA BUTLER SA1 | Karnes County, TX | May 2026 | 5,978 BBLs | 12,040 MCF | Aug 2024 - Jun 2026 | 1 |
| BEST FENNER | Karnes County, TX | May 2026 | 6,068 BBLs | 20,654 MCF | Aug 2025 - Jun 2026 | 8 |
| BORIS UNIT | Karnes County, TX | May 2026 | 10,856 BBLs | 12,195 MCF | Apr 2013 - Jun 2026 | 15 |
| BRYSCH ADAMS-BRYSCH JONAS | Karnes County, TX | May 2026 | 8,543 BBLs | 16,570 MCF | Sep 2022 - Jun 2026 | 2 |
| CARTER-HOLM | Karnes County, TX | May 2026 | 8,138 BBLs | 12,645 MCF | May 2012 - Jun 2026 | 11 |
| CHALLENGER | Karnes County, TX | May 2026 | 22,266 BBLs | 56,445 MCF | Feb 2013 - Jun 2026 | 39 |
| CHAPMAN HUMMEL | Karnes County, TX | May 2026 | 8,182 BBLs | 10,867 MCF | Oct 2012 - Jun 2026 | 5 |
| COY CITY RANCH | Karnes County, TX | May 2026 | 9,958 BBLs | 24,265 MCF | May 2011 - Jun 2026 | 18 |
| DAVILA UNIT | Karnes County, TX | May 2026 | 4,851 BBLs | 40,885 MCF | Jul 2012 - Jun 2026 | 17 |
| DAVILA-GRAHAM | Karnes County, TX | May 2026 | 5,786 BBLs | 39,033 MCF | Sep 2012 - Jun 2026 | 9 |
| DAVIS | Karnes County, TX | May 2026 | 5,906 BBLs | 24,674 MCF | Jan 2011 - Jun 2026 | 12 |
| DAVIS-ALEXANDER SA1 1H | Karnes County, TX | May 2026 | 14,717 BBLs | 92,666 MCF | Apr 2025 - Jun 2026 | 1 |
| DAVIS-MENSIK SA1 1H | Karnes County, TX | May 2026 | 15,377 BBLs | 94,722 MCF | Apr 2025 - Jun 2026 | 1 |
| DEATLEY-GRIFFIN | Atascosa County, TX | May 2026 | 11,674 BBLs | 13,161 MCF | Nov 2011 - Jun 2026 | 5 |
| DEBILL 01 | Karnes County, TX | May 2026 | 16,472 BBLs | 77,548 MCF | Dec 2011 - Jun 2026 | 13 |
| DEMING-DEBILL SA1 1H | Karnes County, TX | May 2026 | 5,315 BBLs | 66,375 MCF | Sep 2024 - Jun 2026 | 1 |
| DEMING-LONG SA1 1H | Karnes County, TX | May 2026 | 5,780 BBLs | 60,080 MCF | Sep 2024 - Jun 2026 | 1 |
| DULLYE 01 | Karnes County, TX | May 2026 | 9,773 BBLs | 107,225 MCF | Nov 2010 - Jun 2026 | 8 |
| EASLEY UNIT | Karnes County, TX | May 2026 | 8,919 BBLs | 154,868 MCF | May 2010 - Jun 2026 | 10 |
| ELIZONDO 01 0 | Karnes County, TX | May 2026 | 19,191 BBLs | 108,830 MCF | Jun 2011 - Jun 2026 | 2 |
| ETHRIDGE UNIT | Atascosa County, TX | May 2026 | 5,997 BBLs | 17,997 MCF | Sep 2011 - Jun 2026 | 6 |
| FELIX UNIT | Karnes County, TX | May 2026 | 38,327 BBLs | 51,981 MCF | Dec 2025 - Jun 2026 | 8 |
| FELIX-SMITH MELLICK SA 1H | Karnes County, TX | May 2026 | 9,545 BBLs | 14,273 MCF | Dec 2025 - Jun 2026 | 1 |
| FORISTER 541 | Karnes County, TX | May 2026 | 11,803 BBLs | 10,303 MCF | Dec 2011 - Jun 2026 | 12 |
| FOUSHEE-WRIGHT KEATHLEY SA | Atascosa County, TX | May 2026 | 5,679 BBLs | 7,343 MCF | Apr 2021 - Jun 2026 | 4 |
| FRANK MALEK 0 | Live Oak County, TX | May 2026 | 8,849 BBLs | 172,407 MCF | Sep 2012 - Jun 2026 | 19 |
| FRANKE JOHNSON | Karnes County, TX | May 2026 | 4,472 BBLs | 103,855 MCF | Jun 2012 - Jun 2026 | 16 |
| FRANKE UNIT | Karnes County, TX | May 2026 | 9,627 BBLs | 49,123 MCF | Dec 2010 - Jun 2026 | 22 |
| FRANSEN UNIT | Karnes County, TX | May 2026 | 6,830 BBLs | 21,147 MCF | Aug 2025 - Jun 2026 | 7 |
| FRANSEN-DIRECT ASSETS SA | Karnes County, TX | May 2026 | 11,484 BBLs | 47,392 MCF | Aug 2025 - Jun 2026 | 2 |
| GRIFFIN-KRUEGER SA | Atascosa County, TX | May 2026 | 55,728 BBLs | 65,622 MCF | Jan 2026 - Jun 2026 | 4 |
| GUAJILLO | Live Oak County, TX | May 2026 | 17,991 BBLs | 32,330 MCF | Jun 2014 - Jun 2026 | 63 |
| GUAJILLO UNIT | Atascosa County, TX | May 2026 | 29,429 BBLs | 54,250 MCF | Jan 2015 - Jun 2026 | 71 |
| HARTMAN-RIPPSTEIN MIKKELSON SA1 | Karnes County, TX | May 2026 | 5,746 BBLs | 7,893 MCF | Aug 2024 - Jun 2026 | 1 |
| HAVEMAN | Karnes County, TX | May 2026 | 5,436 BBLs | 81,729 MCF | Dec 2010 - Jun 2026 | 14 |
| HEMBY UNIT | Karnes County, TX | May 2026 | 4,611 BBLs | 25,204 MCF | Aug 2012 - Jun 2026 | 14 |
| HENKE UNIT | Atascosa County, TX | May 2026 | 6,046 BBLs | 7,059 MCF | May 2011 - Jun 2026 | 9 |
| HIERHOLZER | Atascosa County, TX | May 2026 | 6,727 BBLs | 8,645 MCF | Nov 2010 - Jun 2026 | 3 |
| HIERHOLZER RETZLOFF | Atascosa County, TX | May 2026 | 31,589 BBLs | 52,537 MCF | Jun 2011 - Jun 2026 | 4 |
| HIERHOLZER SEEWALD | Atascosa County, TX | May 2026 | 6,715 BBLs | 10,138 MCF | Jun 2011 - Jun 2026 | 3 |
| HOLLMAN | Karnes County, TX | May 2026 | 4,757 BBLs | 37,399 MCF | Mar 2011 - Jun 2026 | 21 |
| HONS RAFTER UNIT | Karnes County, TX | May 2026 | 8,450 BBLs | 6,662 MCF | Jun 2013 - Jun 2026 | 5 |
| IVAS SMITH 0 | Live Oak County, TX | May 2026 | 6,452 BBLs | 39,574 MCF | Sep 2012 - Jun 2026 | 10 |
| JANSSEN - OETKEN 01 | Karnes County, TX | May 2026 | 4,127 BBLs | 55,202 MCF | Apr 2023 - Jun 2026 | 5 |
| JOHNSON-TSCHIRHART UNIT | Karnes County, TX | May 2026 | 28,627 BBLs | 311,770 MCF | Oct 2025 - Jun 2026 | 6 |
| JULIE BECK | Live Oak County, TX | May 2026 | 5,313 BBLs | 25,352 MCF | Nov 2010 - Jun 2026 | 17 |
| KARNES CITY N | Karnes County, TX | May 2026 | 8,981 BBLs | 13,441 MCF | Apr 2014 - Jun 2026 | 13 |
| KELLNER-JONAS | Live Oak County, TX | May 2026 | 11,664 BBLs | 30,409 MCF | Jun 2011 - Jun 2026 | 8 |
| KIRK 01 | Karnes County, TX | May 2026 | 18,695 BBLs | 234,746 MCF | Apr 2011 - Jun 2026 | 14 |
| KIRK-LONG SA | Karnes County, TX | May 2026 | 7,304 BBLs | 80,970 MCF | Feb 2025 - Jun 2026 | 2 |
| KOOPMAN | DeWitt County, TX | May 2026 | 11,875 BBLs | 171,428 MCF | Jun 2011 - Jun 2026 | 6 |
| L.B. HAILEY | Karnes County, TX | May 2026 | 4,631 BBLs | 29,968 MCF | Jun 2013 - Jun 2026 | 4 |
| L.B. HAILEY-DAVILA | Karnes County, TX | May 2026 | 7,787 BBLs | 57,923 MCF | Apr 2024 - Jun 2026 | 2 |
| LABUS PITTMAN UNIT | Karnes County, TX | May 2026 | 5,833 BBLs | 5,448 MCF | Jan 2016 - Jun 2026 | 8 |
| LIVE OAK PARTNERS 0 | Live Oak County, TX | May 2026 | 4,343 BBLs | 42,545 MCF | May 2013 - Jun 2026 | 5 |
| MAUCH TOM KRUEGER | Atascosa County, TX | May 2026 | 6,508 BBLs | 14,315 MCF | Apr 2023 - Jun 2026 | 2 |
| MAURER-MCFARLAND UNIT | Karnes County, TX | May 2026 | 5,383 BBLs | 9,294 MCF | Dec 2012 - Jun 2026 | 7 |
| MAY B UNIT | Karnes County, TX | May 2026 | 4,984 BBLs | 50,871 MCF | Dec 2012 - Jun 2026 | 20 |
| MAY UNIT 1 | Karnes County, TX | May 2026 | 4,799 BBLs | 26,423 MCF | Nov 2010 - Jun 2026 | 13 |
| MAY-RYAN ABC-ATLAS SA | Karnes County, TX | May 2026 | 6,446 BBLs | 5,275 MCF | Feb 2024 - Jun 2026 | 1 |
| MAY-RYAN UNIT | Karnes County, TX | May 2026 | 8,396 BBLs | 8,765 MCF | Feb 2012 - Jun 2026 | 11 |
| MCCOY EGBERT | Karnes County, TX | May 2026 | 6,227 BBLs | 13,161 MCF | Jan 2013 - Jun 2026 | 7 |
| MCS FOUNDATION | Atascosa County, TX | May 2026 | 27,687 BBLs | 40,856 MCF | Jul 2025 - Jun 2026 | 4 |
| MEDINA-HOFFMAN | Karnes County, TX | May 2026 | 9,204 BBLs | 12,157 MCF | Apr 2012 - Jun 2026 | 7 |
| MEDINA-JONAS | Karnes County, TX | May 2026 | 9,720 BBLs | 13,589 MCF | Feb 2012 - Jun 2026 | 18 |
| MILLER RIDOUT | Karnes County, TX | May 2026 | 18,979 BBLs | 46,562 MCF | Sep 2025 - Jun 2026 | 8 |
| MOBIL UNIT | Karnes County, TX | May 2026 | 6,085 BBLs | 38,855 MCF | Nov 2012 - Jun 2026 | 28 |
| MOHR-HONS UNIT | Karnes County, TX | May 2026 | 6,179 BBLs | 5,594 MCF | May 2012 - Jun 2026 | 8 |
| MORGAN UNIT | Karnes County, TX | May 2026 | 4,844 BBLs | 20,189 MCF | Apr 2010 - Jun 2026 | 15 |
| MURPHY-SINCLAIR UNIT | Karnes County, TX | May 2026 | 5,435 BBLs | 27,971 MCF | Oct 2012 - Jun 2026 | 14 |
| OLSON ESSE-KENNEDY SA | Karnes County, TX | May 2026 | 3,754 BBLs | 56,645 MCF | May 2024 - Jun 2026 | 2 |
| PATINO UNIT | Karnes County, TX | May 2026 | 7,902 BBLs | 110,721 MCF | Oct 2010 - Jun 2026 | 3 |
| PATINO-FRANKE UNIT SA1 1H | Karnes County, TX | May 2026 | 5,285 BBLs | 80,182 MCF | Feb 2025 - Jun 2026 | 1 |
| PFEIFER-SCHEELE HUTH UNIT A SA | Karnes County, TX | May 2026 | 9,706 BBLs | 17,734 MCF | Jan 2025 - Jun 2026 | 4 |
| R MAY A-MAY GIRLS CHAPMAN SA2 | Atascosa County, TX | May 2026 | 9,523 BBLs | 18,501 MCF | Jun 2025 - Jun 2026 | 1 |
| R MAY A-SCHROEDER CHAPMAN SA1 | Atascosa County, TX | May 2026 | 7,702 BBLs | 12,406 MCF | Jun 2025 - Jun 2026 | 1 |
| R. MAY | Atascosa County, TX | May 2026 | 13,887 BBLs | 15,738 MCF | Jun 2012 - Jun 2026 | 42 |
| RANCHO GRANDE TRUST | Karnes County, TX | May 2026 | 7,058 BBLs | 28,468 MCF | Jun 2010 - Jun 2026 | 13 |
| RETZLOFF-MAY | Atascosa County, TX | May 2026 | 7,881 BBLs | 13,800 MCF | Oct 2011 - Jun 2026 | 2 |
| REYNOLDS | Karnes County, TX | May 2026 | 18,797 BBLs | 68,923 MCF | May 2011 - Jun 2026 | 14 |
| RIDLEY | Karnes County, TX | May 2026 | 26,647 BBLs | 181,507 MCF | Jul 2011 - Jun 2026 | 30 |
| RIPPSTEIN-HONS RAFTER SA | Karnes County, TX | May 2026 | 14,629 BBLs | 28,319 MCF | Aug 2024 - Jun 2026 | 2 |
| SAN CHRISTOVAL | Live Oak County, TX | May 2026 | 111,019 BBLs | 550,397 MCF | Sep 2011 - Jun 2026 | 67 |
| SCHENDEL | Karnes County, TX | May 2026 | 11,700 BBLs | 76,725 MCF | Oct 2010 - Jun 2026 | 27 |
| SMITH-MELLICK | Karnes County, TX | May 2026 | 7,584 BBLs | 32,671 MCF | Dec 2011 - Jun 2026 | 6 |
| STEWART-GIESE | Atascosa County, TX | May 2026 | 15,478 BBLs | 31,668 MCF | Nov 2011 - Jun 2026 | 4 |
| STRAUBE 01 | DeWitt County, TX | May 2026 | 4,761 BBLs | 106,277 MCF | Apr 2011 - Jun 2026 | 11 |
| SWIZE MCFARLAND UNIT | Karnes County, TX | May 2026 | 7,354 BBLs | 14,358 MCF | Dec 2012 - Jun 2026 | 5 |
| THOMAS-ANNE SA2 2H | DeWitt County, TX | May 2026 | 9,123 BBLs | 56,272 MCF | Mar 2026 - Jun 2026 | 1 |
| TIPTON-JONAS UNIT | Karnes County, TX | May 2026 | 7,365 BBLs | 7,857 MCF | May 2012 - Jun 2026 | 7 |
| TOM-SMITH UNIT | Atascosa County, TX | May 2026 | 19,332 BBLs | 19,409 MCF | May 2021 - Jun 2026 | 12 |
| TURNBULL | Karnes County, TX | May 2026 | 26,582 BBLs | 93,408 MCF | Jun 2010 - Jun 2026 | 48 |
| WARNER | Karnes County, TX | May 2026 | 9,475 BBLs | 47,207 MCF | Apr 2012 - Jun 2026 | 14 |
| WESSENDORFF | Karnes County, TX | May 2026 | 10,126 BBLs | 123,420 MCF | Apr 2006 - Jun 2026 | 29 |
| 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, HOUSTON, TX 77024-2217 | |
| PO BOX 2197 REGULATORY DEPT HOUSTON, TX 77252 | (832) 486-2737 |