Atascosa County Drilling Permits
Every permit issued by the Texas Railroad Commission in Atascosa County — updated daily, data through 2026-07-21.
Atascosa County permitting is running 10 permits a month over the trailing 90 days (31 total, versus 1 in the prior quarter). 2 were issued in the past week. EOG RESOURCES, INC. leads with 21 permits in the past 12 months, one of 9 operators active in the county.
Last 30 Days
3
Operators (30d)
2
Latest Permit
2026-07-21
All Time
6,389
6,389 permits
| ISSUED | PERMIT | API | LEASE | OPERATOR | TYPE | DEPTH | HZ |
|---|---|---|---|---|---|---|---|
| 2021-05-14 | 869743 | 42-013-35845 | GUAJILLO UNIT 14 SOUTH #1H | MARATHON OIL EF LLC | DRILL | 22,000 | Y |
| 2021-05-14 | 869742 | 42-013-35844 | GUAJILLO UNIT 13 SOUTH #4H | MARATHON OIL EF LLC | DRILL | 22,000 | Y |
| 2021-05-14 | 869741 | 42-013-35843 | GUAJILLO UNIT 13 SOUTH #3H | MARATHON OIL EF LLC | DRILL | 22,000 | Y |
| 2021-05-14 | 869740 | 42-013-35842 | GUAJILLO UNIT 13 SOUTH #2H | MARATHON OIL EF LLC | DRILL | 22,000 | Y |
| 2021-05-14 | 869738 | 42-013-35841 | GUAJILLO UNIT 13 SOUTH #1H | MARATHON OIL EF LLC | DRILL | 22,000 | Y |
| 2021-05-03 | 869444 | 42-013-35839 | R. MAY A #15H | MARATHON OIL EF LLC | DRILL | 23,000 | Y |
| 2021-05-03 | 869443 | 42-013-35838 | R. MAY A #14H | MARATHON OIL EF LLC | DRILL | 23,000 | Y |
| 2021-05-03 | 869426 | 42-013-01395 | WILSON, STELLA #3 | WTXR OPERATING (TEXAS), INC. | RECOMP | 4,321 | |
| 2021-05-03 | 869215 | 42-013-35840 | ATASCOSA SWD #3 | MILESTONE ENVIRO SERVICES, LLC | DRILL | 6,900 | |
| 2021-04-30 | 869446 | 42-013-35837 | SCHROEDER-CHAPMAN UNIT #5H | MARATHON OIL EF LLC | DRILL | 23,000 | Y |
| 2021-04-30 | 869445 | 42-013-35836 | SCHROEDER-CHAPMAN UNIT #4H | MARATHON OIL EF LLC | DRILL | 23,000 | Y |
| 2021-04-29 | 869399 | 42-013-35835 | R. MAY B #29H | MARATHON OIL EF LLC | DRILL | 22,000 | Y |
| 2021-04-29 | 869398 | 42-013-35834 | R. MAY B #28H | MARATHON OIL EF LLC | DRILL | 22,000 | Y |
| 2021-04-14 | 868972 | 42-013-35833 | ROCKIN M B UNIT #1H | PILLAR EFS, LLC | DRILL | 8,700 | Y |
| 2021-04-14 | 868969 | 42-013-35832 | ROCKIN M A UNIT #1H | PILLAR EFS, LLC | DRILL | 8,700 | Y |
| 2021-04-01 | 868625 | 42-013-35831 | RETZLOFF-TOM-MAUCH-TOM SA #1H | MARATHON OIL EF LLC | DRILL | 26,000 | Y |
| 2021-03-29 | 868624 | 42-013-35830 | TOM FAMILY-RETZLOFF SA3 #3H | MARATHON OIL EF LLC | DRILL | 26,000 | Y |
| 2021-03-29 | 868623 | 42-013-35829 | TOM FAMILY-RETZLOFF SA2 #2H | MARATHON OIL EF LLC | DRILL | 26,000 | Y |
| 2021-03-29 | 868622 | 42-013-35828 | TOM FAMILY-RETZLOFF SA1 #1H | MARATHON OIL EF LLC | DRILL | 26,000 | Y |
| 2021-01-19 | 867004 | 42-013-35827 | MIDDLE MCCOWEN #187H | MARATHON OIL EF LLC | DRILL | 24,000 | Y |
| 2021-01-19 | 867003 | 42-013-35826 | MIDDLE MCCOWEN #186H | MARATHON OIL EF LLC | DRILL | 24,000 | Y |
| 2021-01-19 | 867002 | 42-013-35825 | MIDDLE MCCOWEN #185H | MARATHON OIL EF LLC | DRILL | 24,000 | Y |
| 2021-01-15 | 867001 | 42-013-35824 | 74-ATASCOSA SA 3 #3H | MARATHON OIL EF LLC | DRILL | 22,000 | Y |
| 2021-01-15 | 867000 | 42-013-35823 | 74-ATASCOSA SA 2 #2H | MARATHON OIL EF LLC | DRILL | 22,000 | Y |
| 2021-01-15 | 866999 | 42-013-35821 | 74-ATASCOSA SA 1 #1H | MARATHON OIL EF LLC | DRILL | 22,000 | Y |
| 2020-12-03 | 866273 | 42-013-35819 | TOM-SMITH UNIT B #3H | MARATHON OIL EF LLC | DRILL | 23,000 | Y |
| 2020-12-03 | 866273 | 42-013-35819 | TOM-SMITH UNIT B #3H | MARATHON OIL EF LLC | DRILL | 23,000 | Y |
| 2020-12-03 | 866273 | 42-013-35819 | TOM-SMITH UNIT B #3H | MARATHON OIL EF LLC | DRILL | 23,000 | Y |
| 2020-12-03 | 866272 | 42-013-35818 | TOM-SMITH UNIT B #2H | MARATHON OIL EF LLC | DRILL | 23,000 | Y |
| 2020-12-03 | 866272 | 42-013-35818 | TOM-SMITH UNIT B #2H | MARATHON OIL EF LLC | DRILL | 23,000 | Y |
| 2020-12-03 | 866272 | 42-013-35818 | TOM-SMITH UNIT B #2H | MARATHON OIL EF LLC | DRILL | 23,000 | Y |
| 2020-08-14 | 864529 | 42-013-35816 | FOUSHEE-WRIGHT KEATHLEY SA3 #3H | MARATHON OIL EF LLC | DRILL | 22,000 | Y |
| 2020-08-14 | 864529 | 42-013-35816 | FOUSHEE-WRIGHT KEATHLEY SA3 #3H | MARATHON OIL EF LLC | DRILL | 22,000 | Y |
| 2020-08-10 | 864521 | 42-013-35815 | FOUSHEE-WRIGHT KEATHLEY SA4 #4H | MARATHON OIL EF LLC | DRILL | 22,000 | Y |
| 2020-08-05 | 864496 | 42-013-35814 | FOUSHEE-WRIGHT KEATHLEY SA2 #2H | MARATHON OIL EF LLC | DRILL | 22,000 | Y |
| 2020-08-05 | 864496 | 42-013-35814 | FOUSHEE-WRIGHT KEATHLEY SA2 #2H | MARATHON OIL EF LLC | DRILL | 22,000 | Y |
| 2020-08-05 | 864487 | 42-013-35813 | FOUSHEE-WRIGHT KEATHLEY SA1 #1H | MARATHON OIL EF LLC | DRILL | 22,000 | Y |
| 2020-08-05 | 864487 | 42-013-35813 | FOUSHEE-WRIGHT KEATHLEY SA1 #1H | MARATHON OIL EF LLC | DRILL | 22,000 | Y |
| 2020-04-15 | 863311 | 42-013-33991 | LIEKE-RICHTER #1 | BRITANCO, L.L.C. | RECOMP | 10,900 | |
| 2020-03-19 | 862864 | 42-013-35812 | HOUSE #2H | TEAL OPERATING, LLC | DRILL | 13,500 | Y |
| 2020-03-19 | 862856 | 42-013-35811 | HOUSE #1H | TEAL OPERATING, LLC | DRILL | 13,500 | Y |
| 2020-03-13 | 862720 | 42-013-35810 | KELLNER-JONAS UNIT #5H | MARATHON OIL EF LLC | DRILL | 22,000 | Y |
| 2020-03-13 | 862720 | 42-013-35810 | KELLNER JONAS-MUTZ UNIT SA5 #5H | MARATHON OIL EF LLC | DRILL | 24,000 | Y |
| 2020-03-13 | 862719 | 42-013-35809 | KELLNER-JONAS UNIT #4H | MARATHON OIL EF LLC | DRILL | 22,000 | Y |
| 2020-03-13 | 862719 | 42-013-35809 | KELLNER JONAS-MUTZ UNIT SA4 #4H | MARATHON OIL EF LLC | DRILL | 24,000 | Y |
| 2020-03-13 | 862718 | 42-013-35808 | KELLNER-JONAS UNIT #3H | MARATHON OIL EF LLC | DRILL | 22,000 | Y |
| 2020-03-13 | 862718 | 42-013-35808 | KELLNER JONAS-MUTZ UNIT SA3 #3H | MARATHON OIL EF LLC | DRILL | 24,000 | Y |
| 2020-03-13 | 862716 | 42-013-35807 | KELLNER-JONAS UNIT #2H | MARATHON OIL EF LLC | DRILL | 22,000 | Y |
| 2020-03-13 | 862716 | 42-013-35807 | KELLNER JONAS-MUTZ-902 LTD SA2 #2H | MARATHON OIL EF LLC | DRILL | 24,000 | Y |
| 2020-02-19 | 861956 | 42-013-35797 | GORDON TRUST #14H | EOG RESOURCES, INC. | DRILL | 10,000 | Y |
Source: Texas Railroad Commission drilling permit master (OGA049M), refreshed daily. See also operators in Atascosa County.