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 - Nov 2026 |
| Total Oil Production | 571,344,599 BBLs |
| Total Gas Production | 1,742,802,222 MCF |
| Estimated Daily Oil Prod. | 71,187 BBLs |
| Estimated Daily Gas Prod. | 255,276 MCF |
| Estimated Daily Water Prod. | 35,577 BBLs |
| Producing Wells | 2,212 |
| 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 |
| 42-123-35469 | 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 | |||
| 42-255-38050 | BEAM MEYER-BALSER SA1 1H | PRODUCING | Karnes County, TX | 28.839642 | -98.040060 | |||
| 42-255-38008 | BRYSCH ADAMS-BRYSCH JONAS C SA1 1H | PRODUCING | Karnes County, TX | 28.840435 | -97.968851 | |||
| 42-255-38033 | CHAPMAN-HUMMEL UNIT 4H | PRODUCING | Karnes County, TX | 28.808608 | -98.116008 | |||
| 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 | |||
| 42-123-33046 | 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 | |||
| 42-255-38101 | ELIZONDO 01 09H | PRODUCING | Karnes County, TX | 28.928851 | -97.728966 | |||
| 42-255-38147 | FELIX UNIT 3H | Horizontal Well Surface Locatio | Karnes County, TX | 28.843259 | -98.023457 | |||
| 42-255-38145 | FELIX UNIT 5H | Horizontal Well Surface Locatio | Karnes County, TX | 28.843128 | -98.023410 | |||
| 42-255-38149 | FELIX-SMITH MELLICK SA 1H | Horizontal Well Surface Locatio | Karnes County, TX | 28.843065 | -98.023385 | |||
| 42-297-36358 | FRANK MALEK 05 07H | PRODUCING | Live Oak County, TX | 28.611844 | -98.111228 | |||
| 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 | |||
| 42-255-38362 | HIER-MEY-HED SA A 1 | Horizontal Well Surface Locatio | Karnes County, TX | 28.828360 | -98.039669 | |||
| 42-255-38368 | HIERHOLZER QUAD SA B 1 | Horizontal Well Surface Locatio | Karnes County, TX | 28.828254 | -98.039813 | |||
| 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 | |||
| 42-255-38361 | HIERHOLZER-HEDTKE UNIT 5 | Horizontal Well Surface Locatio | Karnes County, TX | 28.828290 | -98.039766 | |||
| 42-123-35377 | HOPE-BRUNS SA1 1H | PRODUCING | DeWitt County, TX | 29.005050 | -97.594096 | |||
| 42-255-38268 | JOHNSON-TSCHIRHART UNIT 7H | Horizontal Well Surface Locatio | Karnes County, TX | 28.775796 | -97.934369 | |||
| 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 | |||
| 42-013-36223 | 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 | PRODUCING | Karnes County, TX | 28.870405 | -97.927594 | |||
| 42-255-38365 | MUELLER-WARNER SA1 1H | Horizontal Well Surface Locatio | Karnes County, TX | 28.899355 | -97.736860 | |||
| 42-255-38366 | MUELLER-WARNER SA2 501H | Horizontal Well Surface Locatio | Karnes County, TX | 28.899361 | -97.736671 | |||
| 42-255-38367 | MUELLER-WARNER SA3 3H | Horizontal Well Surface Locatio | Karnes County, TX | 28.899358 | -97.736796 | |||
| 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 | |||
| 42-255-38057 | 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 | |||
| 42-255-38363 | SCHENDEL-DOUGLAS SA4 504H | Horizontal Well Surface Locatio | Karnes County, TX | 28.899361 | -97.736735 | |||
| 42-255-38364 | SCHENDEL-DOUGLAS SA5 503H | Horizontal Well Surface Locatio | Karnes County, TX | 28.899353 | -97.736921 | |||
| 42-123-35471 | THOMAS-ANNE SA2 2H | Horizontal Well Surface Locatio | DeWitt County, TX | 29.261331 | -97.290019 | |||
| 42-123-32442 | WARLING 01 01H | PRODUCING | DeWitt County, TX | 29.029958 | -97.568854 | |||
| 42-123-33581 | WARLING 01 08H | PRODUCING | DeWitt County, TX | 29.029494 | -97.571634 | |||
| 42-123-33583 | WARLING 01 10H | PRODUCING | DeWitt County, TX | 29.029414 | -97.571470 |
| Lease # | Lease Name | County | Monthly Oil Prod. | Monthly Gas Prod. |
|---|---|---|---|---|
| Lease # | Lease Name | County | Monthly Oil Prod. | Monthly Gas Prod. |
| 01-20617 | 74 RANCH UNIT S2 | Atascosa County, TX | ||
| 01-20608 | 74 RANCH UNIT S3 | Atascosa County, TX | ||
| 02-12940 | BEAM MEYER-BALSER SA1 | Karnes County, TX | ||
| 02-10478 | BORIS UNIT | Karnes County, TX | ||
| 02-12842 | BRYSCH ADAMS-BRYSCH JONAS C SA1 | Karnes County, TX | ||
| 02-09683 | CARTER UNIT | Karnes County, TX | ||
| 02-10297 | CHAPMAN-HUMMEL UNIT | Karnes County, TX | ||
| 02-10375 | COY CITY RANCH UNIT B | 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 | ||
| 02-271327 | 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 | ||
| 02-09955 | EGBERT-MILLER UNIT | 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 | ||
| 02-10307 | HIERHOLZER-HEDTKE UNIT | Karnes County, TX | ||
| 02-10543 | HONS BRODSKY UNIT | Karnes 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 | ||
| 02-10176 | KEMPE-LAUBACH 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 | ||
| 01-16413 | MAY GIRLS | Atascosa 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 | ||
| 02-13242 | MILLER RIDOUT MIKKELSON SA1 | 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 | ||
| 02-12866 | RIPPSTEIN-HONS RAFTER SA1 | Karnes County, TX | ||
| 02-12865 | RIPPSTEIN-HONS RAFTER SA2 | Karnes County, TX | ||
| 02-10324 | SWIZE MCFARLAND UNIT | Karnes County, TX | ||
| 02-265013 | WARLING 01 01H | DeWitt County, TX | ||
| 02-280368 | WARLING 01 08H | DeWitt County, TX | ||
| 02-280371 | WARLING 01 10H | DeWitt 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 |
| ADAMS-TIPTON UNIT | Karnes County, TX | Jul 2026 | 5,721 BBLs | 8,086 MCF | Apr 2012 - Aug 2026 | 7 |
| ANNE FRIAR THOMAS | DeWitt County, TX | Jul 2026 | 25,655 BBLs | 143,610 MCF | Mar 2026 - Aug 2026 | 2 |
| ANZALDUA OXFORD | Karnes County, TX | Jul 2026 | 7,473 BBLs | 5,914 MCF | Aug 2013 - Aug 2026 | 6 |
| BARNHART | Gonzales County, TX | Jul 2026 | 171,864 BBLs | 181,851 MCF | Jul 2010 - Aug 2026 | 129 |
| BARNHART (EF) | Gonzales County, TX | Jul 2026 | 52,838 BBLs | 30,652 MCF | Aug 2023 - Aug 2026 | 12 |
| BEAM MEYER-RICHARD BUTLER B SA | Karnes County, TX | Jul 2026 | 12,065 BBLs | 12,121 MCF | Aug 2024 - Aug 2026 | 3 |
| BEAM MEYER-TINA BUTLER SA1 | Karnes County, TX | Jul 2026 | 6,082 BBLs | 11,028 MCF | Aug 2024 - Aug 2026 | 1 |
| BEAM-MEYER | Karnes County, TX | Jul 2026 | 6,410 BBLs | 5,454 MCF | Dec 2011 - Aug 2026 | 2 |
| BEST BATEMAN | Karnes County, TX | Jul 2026 | 8,034 BBLs | 20,389 MCF | Jul 2013 - Aug 2026 | 8 |
| BLACKJACK UNIT | Karnes County, TX | Jul 2026 | 7,088 BBLs | 39,288 MCF | Jul 2014 - Aug 2026 | 5 |
| BORIS UNIT | Karnes County, TX | Jul 2026 | 8,560 BBLs | 5,565 MCF | Apr 2013 - Aug 2026 | 15 |
| BRYSCH ADAMS-BRYSCH JONAS | Karnes County, TX | Jul 2026 | 8,726 BBLs | 20,687 MCF | Sep 2022 - Aug 2026 | 2 |
| CARTER UNIT | Karnes County, TX | Jul 2026 | 9,007 BBLs | 5,910 MCF | Jun 2011 - Aug 2026 | 7 |
| CHALLENGER | Karnes County, TX | Jul 2026 | 17,428 BBLs | 40,216 MCF | Feb 2013 - Aug 2026 | 39 |
| CHAPMAN HUMMEL | Karnes County, TX | Jul 2026 | 13,071 BBLs | 13,353 MCF | Oct 2012 - Aug 2026 | 5 |
| CHERRY BERGEY S | Gonzales County, TX | Jul 2026 | 26,684 BBLs | 46,694 MCF | Jan 2026 - Aug 2026 | 3 |
| COY CITY RANCH | Karnes County, TX | Jul 2026 | 14,317 BBLs | 22,008 MCF | May 2011 - Aug 2026 | 18 |
| DAVIS-ALEXANDER SA1 1H | Karnes County, TX | Jul 2026 | 10,338 BBLs | 73,185 MCF | Apr 2025 - Aug 2026 | 1 |
| DAVIS-MENSIK SA1 1H | Karnes County, TX | Jul 2026 | 14,673 BBLs | 82,525 MCF | Apr 2025 - Aug 2026 | 1 |
| DEATLEY HOLLUB | Atascosa County, TX | Jul 2026 | 7,803 BBLs | 10,218 MCF | Nov 2011 - Aug 2026 | 9 |
| DEATLEY-GRIFFIN | Atascosa County, TX | Jul 2026 | 12,546 BBLs | 14,516 MCF | Nov 2011 - Aug 2026 | 5 |
| DEBILL 01 | Karnes County, TX | Jul 2026 | 12,525 BBLs | 71,016 MCF | Dec 2011 - Aug 2026 | 13 |
| DEMING-LONG SA1 1H | Karnes County, TX | Jul 2026 | 4,696 BBLs | 52,879 MCF | Sep 2024 - Aug 2026 | 1 |
| DULLYE 01 | Karnes County, TX | Jul 2026 | 9,078 BBLs | 67,063 MCF | Nov 2010 - Aug 2026 | 8 |
| EASLEY UNIT | Karnes County, TX | Jul 2026 | 10,992 BBLs | 182,687 MCF | May 2010 - Aug 2026 | 10 |
| EGBERT-MILLER UNIT | Karnes County, TX | Jul 2026 | 7,575 BBLs | 5,972 MCF | Feb 2012 - Aug 2026 | 5 |
| ELIZONDO 01 0 | Karnes County, TX | Jul 2026 | 15,399 BBLs | 85,452 MCF | Jun 2011 - Aug 2026 | 5 |
| FELIX UNIT | Karnes County, TX | Jul 2026 | 27,098 BBLs | 48,371 MCF | Dec 2025 - Aug 2026 | 8 |
| FELIX-SMITH MELLICK SA 1H | Karnes County, TX | Jul 2026 | 7,645 BBLs | 14,869 MCF | Dec 2025 - Aug 2026 | 1 |
| FORISTER 541 | Karnes County, TX | Jul 2026 | 13,402 BBLs | 18,610 MCF | Dec 2011 - Aug 2026 | 12 |
| FOSTER UNIT | Karnes County, TX | Jul 2026 | 4,529 BBLs | 62,510 MCF | Apr 2011 - Aug 2026 | 19 |
| FRANK MALEK 0 | Live Oak County, TX | Jul 2026 | 9,477 BBLs | 216,587 MCF | Sep 2012 - Aug 2026 | 19 |
| FRANKE UNIT | Karnes County, TX | Jul 2026 | 9,244 BBLs | 50,101 MCF | Dec 2010 - Aug 2026 | 22 |
| FRANSEN UNIT | Karnes County, TX | Jul 2026 | 5,894 BBLs | 17,495 MCF | Aug 2025 - Aug 2026 | 7 |
| FRANSEN-DIRECT ASSETS SA | Karnes County, TX | Jul 2026 | 8,280 BBLs | 34,892 MCF | Aug 2025 - Aug 2026 | 2 |
| GRIFFIN-KRUEGER SA | Atascosa County, TX | Jul 2026 | 50,919 BBLs | 70,465 MCF | Jan 2026 - Aug 2026 | 4 |
| GUAJILLO | Live Oak County, TX | Jul 2026 | 25,669 BBLs | 36,172 MCF | Jun 2014 - Aug 2026 | 63 |
| GUAJILLO UNIT | Atascosa County, TX | Jul 2026 | 30,096 BBLs | 41,216 MCF | Jan 2015 - Aug 2026 | 71 |
| HAVEMAN | Karnes County, TX | Jul 2026 | 6,050 BBLs | 79,585 MCF | Dec 2010 - Aug 2026 | 14 |
| HEMBY UNIT | Karnes County, TX | Jul 2026 | 8,228 BBLs | 63,850 MCF | Aug 2012 - Aug 2026 | 14 |
| HIER-MEY-HED SA A 1 | Karnes County, TX | Jul 2026 | 11,659 BBLs | 8,488 MCF | Jul 2026 - Aug 2026 | 1 |
| HIERHOLZER | Atascosa County, TX | Jul 2026 | 6,667 BBLs | 9,219 MCF | Nov 2010 - Aug 2026 | 3 |
| HIERHOLZER QUAD SA B 1 | Karnes County, TX | Jul 2026 | 7,861 BBLs | 8,038 MCF | Jul 2026 - Aug 2026 | 1 |
| HIERHOLZER RETZLOFF | Atascosa County, TX | Jul 2026 | 27,912 BBLs | 38,804 MCF | Jun 2011 - Aug 2026 | 4 |
| HIERHOLZER SEEWALD | Atascosa County, TX | Jul 2026 | 5,584 BBLs | 9,465 MCF | Jun 2011 - Aug 2026 | 3 |
| HIERHOLZER-HEDTKE UNIT | Karnes County, TX | Jul 2026 | 13,278 BBLs | 10,730 MCF | Jul 2026 - Aug 2026 | 5 |
| HOLLAND OPIELA | Karnes County, TX | Jul 2026 | 5,742 BBLs | 9,137 MCF | Dec 2011 - Aug 2026 | 6 |
| HONS BRODSKY UNIT | Karnes County, TX | Jul 2026 | 6,908 BBLs | 6,591 MCF | Jul 2013 - Aug 2026 | 6 |
| HONS RAFTER UNIT | Karnes County, TX | Jul 2026 | 6,689 BBLs | 7,864 MCF | Jun 2013 - Aug 2026 | 5 |
| HOPE-BRUNS SA1 1H | DeWitt County, TX | Jul 2026 | 5,383 BBLs | 42,445 MCF | Jun 2024 - Aug 2026 | 1 |
| IVAS SMITH 0 | Live Oak County, TX | Jul 2026 | 7,534 BBLs | 42,542 MCF | Sep 2012 - Aug 2026 | 10 |
| JAUER-SONKA UNIT | Karnes County, TX | Jul 2026 | 8,652 BBLs | 8,339 MCF | Jul 2013 - Aug 2026 | 9 |
| JOHNSON-TSCHIRHART UNIT | Karnes County, TX | Jul 2026 | 22,096 BBLs | 253,645 MCF | Oct 2025 - Aug 2026 | 6 |
| JULIE BECK | Live Oak County, TX | Jul 2026 | 6,346 BBLs | 40,568 MCF | Nov 2010 - Aug 2026 | 17 |
| KARNES CITY | Karnes County, TX | Jul 2026 | 9,862 BBLs | 10,470 MCF | Dec 2013 - Aug 2026 | 15 |
| KARNES CITY N | Karnes County, TX | Jul 2026 | 6,951 BBLs | 12,300 MCF | Apr 2014 - Aug 2026 | 13 |
| KELLNER-JONAS | Live Oak County, TX | Jul 2026 | 10,818 BBLs | 27,503 MCF | Jun 2011 - Aug 2026 | 8 |
| KEMPE-LAUBACH UNIT | Karnes County, TX | Jul 2026 | 7,686 BBLs | 7,174 MCF | Jul 2012 - Aug 2026 | 8 |
| KIRK 01 | Karnes County, TX | Jul 2026 | 17,614 BBLs | 229,000 MCF | Apr 2011 - Aug 2026 | 14 |
| KIRK-LONG SA | Karnes County, TX | Jul 2026 | 5,533 BBLs | 74,808 MCF | Feb 2025 - Aug 2026 | 2 |
| KOOPMAN | DeWitt County, TX | Jul 2026 | 10,304 BBLs | 151,957 MCF | Jun 2011 - Aug 2026 | 6 |
| L.B. HAILEY-DAVILA | Karnes County, TX | Jul 2026 | 8,741 BBLs | 50,882 MCF | Apr 2024 - Aug 2026 | 2 |
| MAURER-MCFARLAND UNIT | Karnes County, TX | Jul 2026 | 5,595 BBLs | 13,613 MCF | Dec 2012 - Aug 2026 | 7 |
| MAY B UNIT | Karnes County, TX | Jul 2026 | 8,525 BBLs | 76,169 MCF | Dec 2012 - Aug 2026 | 20 |
| MAY GIRLS | Atascosa County, TX | Jul 2026 | 6,634 BBLs | 5,669 MCF | Jan 2013 - Aug 2026 | 5 |
| MAY-RYAN UNIT | Karnes County, TX | Jul 2026 | 6,713 BBLs | 7,673 MCF | Feb 2012 - Aug 2026 | 11 |
| MCS FOUNDATION | Atascosa County, TX | Jul 2026 | 20,086 BBLs | 29,328 MCF | Jul 2025 - Aug 2026 | 4 |
| MEDINA JONAS | Karnes County, TX | Jul 2026 | 9,380 BBLs | 10,476 MCF | Feb 2012 - Aug 2026 | 18 |
| MEDINA-HOFFMAN | Karnes County, TX | Jul 2026 | 7,033 BBLs | 11,822 MCF | Apr 2012 - Aug 2026 | 7 |
| MIKKELSON-WITTE | Karnes County, TX | Jul 2026 | 7,276 BBLs | 3,698 MCF | Mar 2012 - Aug 2026 | 7 |
| MILLER-RIDOUT | Karnes County, TX | Jul 2026 | 11,110 BBLs | 30,337 MCF | Apr 2012 - Aug 2026 | 8 |
| MOBIL UNIT | Karnes County, TX | Jul 2026 | 7,323 BBLs | 42,724 MCF | Nov 2012 - Aug 2026 | 28 |
| MUELLER-WARNER SA | Karnes County, TX | Jul 2026 | 29,477 BBLs | 117,588 MCF | Jul 2026 - Aug 2026 | 3 |
| MURPHY-SINCLAIR UNIT | Karnes County, TX | Jul 2026 | 5,628 BBLs | 29,427 MCF | Oct 2012 - Aug 2026 | 14 |
| OLSON ESSE-KENNEDY SA | Karnes County, TX | Jul 2026 | 4,222 BBLs | 69,645 MCF | May 2024 - Aug 2026 | 2 |
| PATINO UNIT | Karnes County, TX | Jul 2026 | 6,259 BBLs | 94,226 MCF | Oct 2010 - Aug 2026 | 3 |
| PATINO-FRANKE UNIT SA1 1H | Karnes County, TX | Jul 2026 | 6,001 BBLs | 65,091 MCF | Feb 2025 - Aug 2026 | 1 |
| PFEIFER-SCHEELE HUTH UNIT A SA | Karnes County, TX | Jul 2026 | 10,023 BBLs | 18,546 MCF | Jan 2025 - Aug 2026 | 4 |
| R MAY A-MAY GIRLS CHAPMAN SA2 | Atascosa County, TX | Jul 2026 | 8,071 BBLs | 14,837 MCF | Jun 2025 - Aug 2026 | 1 |
| R MAY A-SCHROEDER CHAPMAN SA1 | Atascosa County, TX | Jul 2026 | 7,602 BBLs | 18,589 MCF | Jun 2025 - Aug 2026 | 1 |
| R. MAY | Atascosa County, TX | Jul 2026 | 13,076 BBLs | 11,858 MCF | Jun 2012 - Aug 2026 | 42 |
| RETZLOFF-MAY | Atascosa County, TX | Jul 2026 | 6,459 BBLs | 10,756 MCF | Oct 2011 - Aug 2026 | 2 |
| REYNOLDS | Karnes County, TX | Jul 2026 | 14,597 BBLs | 56,054 MCF | May 2011 - Aug 2026 | 14 |
| RIDLEY | Karnes County, TX | Jul 2026 | 26,888 BBLs | 184,340 MCF | Jul 2011 - Aug 2026 | 30 |
| RIPPSTEIN-HONS RAFTER SA | Karnes County, TX | Jul 2026 | 16,138 BBLs | 30,325 MCF | Aug 2024 - Aug 2026 | 2 |
| SAN CHRISTOVAL | Live Oak County, TX | Jul 2026 | 98,487 BBLs | 532,405 MCF | Sep 2011 - Aug 2026 | 67 |
| SCHENDEL | Karnes County, TX | Jul 2026 | 9,566 BBLs | 57,332 MCF | Oct 2010 - Aug 2026 | 27 |
| SCHENDEL-DOUGLAS SA | Karnes County, TX | Jul 2026 | 12,237 BBLs | 88,592 MCF | Jul 2026 - Aug 2026 | 2 |
| SMITH-MELLICK | Karnes County, TX | Jul 2026 | 6,084 BBLs | 7,099 MCF | Dec 2011 - Aug 2026 | 6 |
| STEWART-GIESE | Atascosa County, TX | Jul 2026 | 11,899 BBLs | 15,640 MCF | Nov 2011 - Aug 2026 | 4 |
| STRAUBE 01 | DeWitt County, TX | Jul 2026 | 4,769 BBLs | 109,077 MCF | Apr 2011 - Aug 2026 | 11 |
| SWIZE MCFARLAND UNIT | Karnes County, TX | Jul 2026 | 8,108 BBLs | 14,838 MCF | Dec 2012 - Aug 2026 | 5 |
| THOMAS-ANNE SA2 2H | DeWitt County, TX | Jul 2026 | 10,761 BBLs | 74,936 MCF | Mar 2026 - Aug 2026 | 1 |
| TIPTON-JONAS UNIT | Karnes County, TX | Jul 2026 | 5,921 BBLs | 13,279 MCF | May 2012 - Aug 2026 | 7 |
| TOM-SMITH UNIT | Atascosa County, TX | Jul 2026 | 8,880 BBLs | 9,740 MCF | May 2021 - Aug 2026 | 12 |
| TURNBULL | Karnes County, TX | Jul 2026 | 26,127 BBLs | 95,824 MCF | Jun 2010 - Aug 2026 | 48 |
| WARLING 01 | DeWitt County, TX | Jul 2026 | 64,398 BBLs | 292,458 MCF | Oct 2011 - Aug 2026 | 10 |
| WARNER | Karnes County, TX | Jul 2026 | 7,821 BBLs | 46,197 MCF | Apr 2012 - Aug 2026 | 14 |
| WESSENDORFF | Karnes County, TX | Jul 2026 | 10,963 BBLs | 156,666 MCF | Apr 2006 - Aug 2026 | 29 |
| ZAESKE-ECKOLS | Karnes County, TX | Jul 2026 | 6,956 BBLs | 9,126 MCF | Apr 2012 - Aug 2026 | 11 |
| 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, HOUSTON, TX 77024-2217 | |
| PO BOX 2197 REGULATORY DEPT HOUSTON, TX 77252 | (832) 486-2737 |