Ector County Drilling Permits
Every permit issued by the Texas Railroad Commission in Ector County — updated daily, data through 2026-09-10.
Ector County permitting is running 18 permits a month over the trailing 90 days (54 total, versus 9 in the prior quarter). DIAMONDBACK E&P LLC leads with 92 permits in the past 12 months, one of 18 operators active in the county.
Last 30 Days
13
Operators (30d)
6
Latest Permit
2026-09-10
All Time
16,108
16,108 permits
| ISSUED | PERMIT | API | LEASE | OPERATOR | TYPE | DEPTH | HZ |
|---|---|---|---|---|---|---|---|
| 2001-03-21 | 506173 | 42-135-02660 | COWDEN, J. F. #8 | TEXACO E & P INC. | RECOMP | 8,116 | |
| 2001-03-21 | 505687 | 42-135-38007 | HOLT, O. B. "C" #27 | PURE RESOURCES, L.P. | DRILL | 5,500 | |
| 2001-03-20 | 506723 | 42-135-38047 | DIAMOND LIL #1 | OXY USA WTP LP | DRILL | 12,600 | |
| 2001-03-15 | 506531 | 42-135-08747 | HEADLEE DEVONIAN UNIT #4903H | FOUR STAR OIL AND GAS COMPANY | RECOMP | 16,000 | Y |
| 2001-03-13 | 506411 | 42-135-38041 | NORTH COWDEN UNIT #1538 | OCCIDENTAL PERMIAN LTD. | DRILL | 4,800 | |
| 2001-03-13 | 506410 | 42-135-38040 | NORTH COWDEN UNIT #1537 | OCCIDENTAL PERMIAN LTD. | DRILL | 4,800 | |
| 2001-03-13 | 506409 | 42-135-38039 | NORTH COWDEN UNIT #1536 | OCCIDENTAL PERMIAN LTD. | DRILL | 4,800 | |
| 2001-03-13 | 506408 | 42-135-38038 | NORTH COWDEN UNIT #1535 | OCCIDENTAL PERMIAN LTD. | DRILL | 4,800 | |
| 2001-03-13 | 506407 | 42-135-38037 | NORTH COWDEN UNIT #1521 | OCCIDENTAL PERMIAN LTD. | DRILL | 4,800 | |
| 2001-03-13 | 506406 | 42-135-20206 | NORTH COWDEN UNIT #499 | OCCIDENTAL PERMIAN LTD. | RENTR | 4,800 | |
| 2001-03-12 | 506325 | 42-135-38035 | WITCHER, J. E. #117 | OCCIDENTAL PERMIAN LTD. | DRILL | 4,600 | |
| 2001-03-12 | 506324 | 42-135-38031 | WITCHER, J. E. #116 | OCCIDENTAL PERMIAN LTD. | DRILL | 4,600 | |
| 2001-03-12 | 506323 | 42-135-38034 | WITCHER, J. E. #114 | OCCIDENTAL PERMIAN LTD. | DRILL | 4,600 | |
| 2001-03-12 | 506322 | 42-135-38033 | WITCHER, J. E. #112 | OCCIDENTAL PERMIAN LTD. | DRILL | 4,600 | |
| 2001-03-12 | 506321 | 42-135-38032 | WITCHER, J. E. #110 | OCCIDENTAL PERMIAN LTD. | DRILL | 4,600 | |
| 2001-03-12 | 506320 | 42-135-38036 | WITCHER, J. E. A #16 | OCCIDENTAL PERMIAN LTD. | DRILL | 4,600 | |
| 2001-03-12 | 506313 | 42-135-33899 | SOUTH COWDEN UNIT #220 | PHILLIPS PETROLEUM COMPANY | RECOMP | 4,580 | Y |
| 2001-03-06 | 506129 | 42-135-38030 | HOLT, O. B., JR. #2Q | PURE RESOURCES, L.P. | DRILL | 4,200 | |
| 2001-03-06 | 506103 | 42-135-38029 | GOLDSMITH LANDRETH DEEP UNIT #342 | OCCIDENTAL PERMIAN LTD. | DRILL | 6,500 | |
| 2001-03-06 | 506102 | 42-135-38028 | GOLDSMITH LANDRETH DEEP UNIT #341 | OCCIDENTAL PERMIAN LTD. | DRILL | 6,500 | |
| 2001-03-06 | 506101 | 42-135-38027 | GOLDSMITH LANDRETH DEEP UNIT #336 | OCCIDENTAL PERMIAN LTD. | DRILL | 6,500 | |
| 2001-03-06 | 506100 | 42-135-38026 | GOLDSMITH LANDRETH DEEP UNIT #321 | OCCIDENTAL PERMIAN LTD. | DRILL | 6,500 | |
| 2001-03-06 | 506099 | 42-135-38025 | GOLDSMITH LANDRETH DEEP UNIT #320 | OCCIDENTAL PERMIAN LTD. | DRILL | 6,500 | |
| 2001-03-02 | 506038 | 42-135-38024 | TXL NORTH UNIT #879 | ANADARKO PETROLEUM CORP. | DRILL | 7,000 | |
| 2001-03-02 | 506038 | 42-135-38024 | TXL NORTH UNIT #879 | ANADARKO PETROLEUM CORP. | DRILL | 7,000 | |
| 2001-02-28 | 505919 | 42-135-35218 | JOHNSON, J. L. -AB- #181 | PURE RESOURCES, L.P. | RECOMP | 4,200 | |
| 2001-02-28 | 505919 | 42-135-35218 | JOHNSON, J. L. -AB- #181 | PURE RESOURCES, L.P. | RECOMP | 4,600 | |
| 2001-02-28 | 505908 | 42-135-38023 | NORTH COWDEN UNIT #1525 | OCCIDENTAL PERMIAN LTD. | DRILL | 4,800 | |
| 2001-02-28 | 505907 | 42-135-38019 | NORTH COWDEN UNIT #1514 | OCCIDENTAL PERMIAN LTD. | DRILL | 4,800 | |
| 2001-02-28 | 505906 | 42-135-38020 | NORTH COWDEN UNIT #1516 | OCCIDENTAL PERMIAN LTD. | DRILL | 4,800 | |
| 2001-02-28 | 505905 | 42-135-38021 | NORTH COWDEN UNIT #1520 | OCCIDENTAL PERMIAN LTD. | DRILL | 4,800 | |
| 2001-02-28 | 505904 | 42-135-38022 | NORTH COWDEN UNIT #1511 | OCCIDENTAL PERMIAN LTD. | DRILL | 4,800 | |
| 2001-02-27 | 505847 | 42-135-38018 | WITCHER, J. E. PB #27 | OCCIDENTAL PERMIAN LTD. | DRILL | 4,600 | |
| 2001-02-27 | 505845 | 42-135-38017 | WITCHER, J. E. PB #26 | OCCIDENTAL PERMIAN LTD. | DRILL | 4,600 | |
| 2001-02-23 | 505715 | 42-135-38016 | HOT LIPS #2 | OXY USA WTP LP | DRILL | 8,900 | |
| 2001-02-23 | 505675 | 42-135-38010 | GOLDSMITH ANDECTOR UNIT #T 10 | PHILLIPS PETROLEUM COMPANY | DRILL | 6,550 | |
| 2001-02-23 | 505674 | 42-135-38011 | GOLDSMITH ANDECTOR UNIT #N105 | PHILLIPS PETROLEUM COMPANY | DRILL | 6,550 | |
| 2001-02-23 | 505673 | 42-135-38012 | GOLDSMITH ANDECTOR UNIT #F 65 | PHILLIPS PETROLEUM COMPANY | DRILL | 6,550 | |
| 2001-02-23 | 505672 | 42-135-38013 | GOLDSMITH ANDECTOR UNIT #C 35 | PHILLIPS PETROLEUM COMPANY | DRILL | 6,550 | |
| 2001-02-23 | 505671 | 42-135-38014 | GOLDSMITH ANDECTOR UNIT #C 9 | PHILLIPS PETROLEUM COMPANY | DRILL | 6,550 | |
| 2001-02-23 | 505670 | 42-135-38015 | GOLDSMITH ANDECTOR UNIT #L 95 | PHILLIPS PETROLEUM COMPANY | DRILL | 6,550 | |
| 2001-02-20 | 505514 | 42-135-38006 | TXL SOUTH UNIT #3725W | ANADARKO PETROLEUM CORP. | DRILL | 6,600 | |
| 2001-02-16 | 505437 | 42-135-38005 | NORTH PENWELL UNIT #255 | PHILLIPS PETROLEUM COMPANY | DRILL | 5,050 | |
| 2001-02-16 | 505437 | 42-135-38005 | NORTH PENWELL UNIT #255 | PHILLIPS PETROLEUM COMPANY | DRILL | 5,050 | |
| 2001-02-16 | 505420 | 42-135-30889 | NORTH COWDEN UNIT #622 | OCCIDENTAL PERMIAN LTD. | RECOMP | 4,800 | Y |
| 2001-02-16 | 505418 | 42-135-38004 | WITCHER, J. E. PB #28 | OCCIDENTAL PERMIAN LTD. | DRILL | 4,600 | |
| 2001-02-15 | 505334 | 42-135-37982 | WITCHER, J. E. A #18 | OCCIDENTAL PERMIAN LTD. | DRILL | 4,600 | |
| 2001-02-15 | 505333 | 42-135-38003 | WITCHER, J. E. #113 | OCCIDENTAL PERMIAN LTD. | DRILL | 4,600 | |
| 2001-02-09 | 505108 | 42-135-38002 | NORTH PENWELL UNIT #254 | PHILLIPS PETROLEUM COMPANY | DRILL | 4,250 | |
| 2001-02-09 | 505107 | 42-135-38001 | NORTH PENWELL UNIT #242 | PHILLIPS PETROLEUM COMPANY | DRILL | 5,050 |
Source: Texas Railroad Commission drilling permit master (OGA049M), refreshed daily. See also operators in Ector County.