Ector County Drilling Permits
Every permit issued by the Texas Railroad Commission in Ector County — updated daily, data through 2026-09-23.
Ector County permitting is running 18 permits a month over the trailing 90 days (55 total, versus 9 in the prior quarter). 1 was issued in the past week. DIAMONDBACK E&P LLC leads with 72 permits in the past 12 months, one of 19 operators active in the county.
Last 30 Days
9
Operators (30d)
5
Latest Permit
2026-09-23
All Time
16,110
16,110 permits
| ISSUED | PERMIT | API | LEASE | OPERATOR | TYPE | DEPTH | HZ |
|---|---|---|---|---|---|---|---|
| 1987-11-10 | 338644 | 42-135-35697 | GOLDSMITH LANDRETH (DEEP) UNIT #276 | AMOCO PRODUCTION COMPANY | DRILL | 6,800 | |
| 1987-11-10 | 338116 | 42-135-35684 | WITCHER, J. E. #90 | AMOCO PRODUCTION COMPANY | DRILL | 4,700 | |
| 1987-11-10 | 338116 | 42-135-35684 | WITCHER, J. E. #90 | AMOCO PRODUCTION COMPANY | DRILL | 4,700 | |
| 1987-11-09 | 338493 | 42-135-35690 | TXL NORTH UNIT #268 | SHELL WESTERN E&P INC. | DRILL | 7,100 | |
| 1987-11-09 | 338492 | 42-135-35691 | TXL NORTH UNIT #490 | SHELL WESTERN E&P INC. | DRILL | 7,100 | |
| 1987-11-09 | 338491 | 42-135-35694 | TXL NORTH UNIT #450W | SHELL WESTERN E&P INC. | DRILL | 7,100 | |
| 1987-11-09 | 338490 | 42-135-35693 | TXL NORTH UNIT #448 | SHELL WESTERN E&P INC. | DRILL | 7,100 | |
| 1987-11-06 | 338477 | 42-135-35689 | NORTH PENWELL UNIT #180 | PHILLIPS PETROLEUM COMPANY | DRILL | 5,000 | |
| 1987-11-06 | 338425 | 42-135-35688 | TXL #1 | RASMUSSEN, TOM | DRILL | 4,600 | |
| 1987-11-05 | 338280 | 42-135-35686 | JOHNSON "B-37" #2 | ARCO OIL & GAS CO. | DRILL | 9,300 | |
| 1987-11-05 | 338279 | 42-135-35687 | JOHNSON "B-36" #1 | ARCO OIL & GAS CO. | DRILL | 9,300 | |
| 1987-11-04 | 338250 | 42-135-35685 | BLAKENEY B #5 | CITIES SERVICE OIL & GAS CORP. | DRILL | 6,000 | |
| 1987-11-04 | 338250 | 42-135-35685 | BLAKENEY B #5 | OXY USA INC. | DRILL | 5,600 | |
| 1987-11-02 | 338162 | 42-135-00140 | CUMMINS P #3 | CITIES SERVICE OIL & GAS CORP. | RECOMP | 6,212 | |
| 1987-10-30 | 338118 | 42-135-35682 | COWDEN, E. F. "A" #176 | AMOCO PRODUCTION COMPANY | DRILL | 4,700 | |
| 1987-10-30 | 338118 | 42-135-35682 | COWDEN, E. F. "A" #176 | AMOCO PRODUCTION COMPANY | DRILL | 4,700 | |
| 1987-10-30 | 338117 | 42-135-35683 | COWDEN, E. F. "A" #175 | AMOCO PRODUCTION COMPANY | DRILL | 4,700 | |
| 1987-10-28 | 338055 | 42-135-35681 | COWDEN "31" #2 | BAYTECH, INC. | DRILL | 9,300 | |
| 1987-10-28 | 338050 | 42-135-35680 | JOHNSON, J. L. "A" #3 | SOUTHLAND ROYALTY COMPANY | DRILL | 9,100 | |
| 1987-10-28 | 337938 | 42-135-35676 | TXL NORTH UNIT #368 | SHELL WESTERN E&P INC. | DRILL | 7,100 | |
| 1987-10-28 | 337937 | 42-135-35677 | TXL NORTH UNIT #480 | SHELL WESTERN E&P INC. | DRILL | 7,100 | |
| 1987-10-28 | 337936 | 42-135-35678 | TXL NORTH UNIT #521 | SHELL WESTERN E&P INC. | DRILL | 7,100 | |
| 1987-10-28 | 337584 | 42-135-35674 | TEXACO-SLATOR "22" #2 | RUST OIL CORP. | DRILL | 8,500 | |
| 1987-10-27 | 338006 | 42-135-35679 | COWDEN "32" #1 | BAYTECH, INC. | DRILL | 9,300 | |
| 1987-10-26 | 337674 | 42-135-35380 | WIGHT UNIT #146 | CONOCO INC. | RECOMP | 10,700 | |
| 1987-10-23 | 336428 | 42-135-35663 | SOUTH COWDEN CANYON UNIT #24 | CONOCO INC. | DRILL | 9,150 | |
| 1987-10-22 | 337814 | 42-135-35675 | MOSS "B" #1 | AMOCO PRODUCTION COMPANY | DRILL | 9,500 | |
| 1987-10-22 | 337755 | 42-135-20498 | TXL -L- A/C 2 #30 | SHELL WESTERN E&P INC. | OTHER | 9,370 | |
| 1987-10-22 | 337353 | 42-135-35671 | TXL NORTH UNIT #444 | SHELL WESTERN E&P INC. | DRILL | 7,100 | |
| 1987-10-21 | 337577 | 42-135-03678 | PARKER, J. E. -C- #3 | TEXACO INC. | RECOMP | 6,680 | |
| 1987-10-19 | 336199 | 42-135-35657 | JOHNSON, J. L. "31" #24 | GREAT WESTERN DRLG. CO. | DRILL | 9,100 | |
| 1987-10-15 | 337483 | 42-135-35673 | COWDEN, E. F. "B" #101 | AMOCO PRODUCTION COMPANY | DRILL | 4,600 | |
| 1987-10-15 | 337483 | 42-135-35673 | COWDEN, E. F. "B" #101 | AMOCO PRODUCTION COMPANY | DRILL | 4,600 | |
| 1987-10-15 | 337356 | 42-135-35668 | TXL NORTH UNIT #528 | SHELL WESTERN E&P INC. | DRILL | 7,100 | |
| 1987-10-15 | 337355 | 42-135-35669 | TXL NORTH UNIT #526 | SHELL WESTERN E&P INC. | DRILL | 7,100 | |
| 1987-10-15 | 337354 | 42-135-35670 | TXL NORTH UNIT #518 | SHELL WESTERN E&P INC. | DRILL | 7,100 | |
| 1987-10-15 | 337352 | 42-135-35672 | TXL NORTH UNIT #264 | SHELL WESTERN E&P INC. | DRILL | 7,100 | |
| 1987-10-14 | 337312 | 42-135-35667 | WILLIAMSON "C" #2 | ALTA ENERGY CORPORATION | DRILL | 5,850 | |
| 1987-10-14 | 337311 | 42-135-35666 | BARROW #1A | ALTA ENERGY CORPORATION | DRILL | 4,600 | |
| 1987-10-14 | 337311 | 42-135-35666 | BARROW, AUGUSTA #1A | ALTA ENERGY CORPORATION | DRILL | 4,600 | |
| 1987-10-13 | 337247 | 42-135-35665 | FOSTER-JOHNSON UNIT #1416 | SUN EXPL. & PROD. CO.-MIDLAND | DRILL | 4,600 | |
| 1987-10-12 | 337162 | 42-135-00139 | CUMMINS P #2 | CITIES SERVICE OIL & GAS CORP. | RECOMP | 5,775 | |
| 1987-10-07 | 336947 | 42-135-01680 | CONNELL, A. B. -A- #2 | ICE BROTHERS, INC. | RECOMP | 8,990 | |
| 1987-10-06 | 336722 | 42-135-35664 | TXL NORTH UNIT #374 | SHELL WESTERN E&P INC. | DRILL | 7,100 | |
| 1987-10-02 | 336695 | 42-135-34733 | WOODS, E. N. #1A | AMOCO PRODUCTION COMPANY | RECOMP | 10,537 | |
| 1987-09-24 | 336458 | 42-135-35662 | JENNIFER 'A' #27 | RENDOVA OIL CO | DRILL | 4,700 | |
| 1987-09-24 | 336450 | 42-135-35661 | MINS-DD #8 | PHILLIPS PETROLEUM COMPANY | DRILL | 4,600 | |
| 1987-09-23 | 336395 | 42-135-35660 | JENNIFER 'A' #25 | RENDOVA OIL CO | DRILL | 4,700 | |
| 1987-09-23 | 336299 | 42-135-35659 | MCNAMARA, RUTH #2 | AMOCO PRODUCTION COMPANY | DRILL | 9,700 | |
| 1987-09-22 | 336333 | 42-135-35658 | JENNIFER 'A' #26 | RENDOVA OIL CO | DRILL | 4,700 |
Source: Texas Railroad Commission drilling permit master (OGA049M), refreshed daily. See also operators in Ector County.