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 |
|---|---|---|---|---|---|---|---|
| 1989-12-14 | 367481 | 42-135-36174 | COWDEN RANCH "6" #8 | RUST OIL CORP. | DRILL | 9,000 | |
| 1989-12-05 | 366843 | 42-135-05647 | TXL "19" #2 | MARIAH ENERGY CORP. | RENTR | 4,600 | |
| 1989-12-01 | 367051 | 42-135-01747 | HOLT, O. B. JR. ETAL #1 | CHEVRON U. S. A. INC. | RECOMP | 5,328 | |
| 1989-12-01 | 365573 | 42-135-36154 | EMMONS UNIT #131 | FINA OIL & CHEMICAL COMPANY | DRILL | 4,800 | |
| 1989-11-30 | 367049 | 42-135-36173 | SCHARBAUER "H" #3A | ADOBE RESOURCES CORPORATION | DRILL | 4,300 | |
| 1989-11-29 | 366950 | 42-135-36172 | GOLDSMITH ADOBE UNIT #405 | TRISEARCH INC. | DRILL | 6,200 | |
| 1989-11-28 | 366828 | 42-135-02586 | COWDEN, CLYDE #130 | PHILLIPS PETROLEUM COMPANY | RECOMP | 5,900 | |
| 1989-11-28 | 366785 | 42-135-36169 | GOLDSMITH LANDRETH (DEEP) UNIT #272 | AMOCO PRODUCTION COMPANY | DRILL | 7,000 | |
| 1989-11-28 | 366784 | 42-135-36171 | GOLDSMITH LANDRETH (DEEP) UNIT #260 | AMOCO PRODUCTION COMPANY | DRILL | 7,000 | |
| 1989-11-27 | 366756 | 42-135-36170 | TOAD "A" #2 | CARLOW CORP. | DRILL | 5,500 | |
| 1989-11-21 | 366603 | 42-135-32116 | COWDEN, ELLIOTT F. -D- #7 | AMOCO PRODUCTION COMPANY | RECOMP | 9,501 | |
| 1989-11-20 | 366552 | 42-135-36168 | WIGHT #1 | AMERIND OIL CO. | DRILL | 5,350 | |
| 1989-11-20 | 366322 | 42-135-04372 | BLAKENEY, B. H. #8 | CHEVRON U. S. A. INC. | RECOMP | 5,355 | |
| 1989-11-15 | 366486 | 42-135-33997 | PARKER TURST 20 #1 | ADOBE RESOURCES CORPORATION | RECOMP | 12,320 | |
| 1989-11-15 | 366383 | 42-135-36167 | TOAD "B" #3 | CARLOW CORP. | DRILL | 5,500 | |
| 1989-11-09 | 366110 | 42-135-36166 | GOLDSMITH ADOBE UNIT #1005 | TRISEARCH INC. | DRILL | 6,200 | |
| 1989-11-06 | 365893 | 42-135-36090 | TOAD "B" #1 | CARLOW CORP. | RECOMP | 5,362 | |
| 1989-11-03 | 365932 | 42-135-02584 | COWDEN, CLYDE #128 | PHILLIPS PETROLEUM COMPANY | RECOMP | 5,900 | |
| 1989-11-03 | 365895 | 42-135-36015 | TOAD #3 | CARLOW CORP. | RECOMP | 5,341 | |
| 1989-11-03 | 365894 | 42-135-36023 | TOAD #4 | CARLOW CORP. | RECOMP | 5,355 | |
| 1989-11-03 | 364684 | 42-135-04591 | SLAT #1 | PHILLIPS PETROLEUM COMPANY | RECOMP | 10,100 | |
| 1989-11-02 | 365925 | 42-135-36163 | SHOEBAR RANCH #1 | PHILLIPS PETROLEUM COMPANY | DRILL | 11,300 | |
| 1989-11-02 | 365889 | 42-135-35275 | COWDEN #2E | FOSTER, RANDALL R. | RENTR | 9,060 | |
| 1989-11-02 | 365889 | 42-135-35275 | COWDEN #2E | FOSTER, RANDALL R. | RENTR | 5,506 | |
| 1989-11-01 | 365792 | 42-135-36161 | COLBERT, E. K. #14 | FINA OIL & CHEMICAL COMPANY | DRILL | 4,800 | |
| 1989-11-01 | 365785 | 42-135-36162 | TXL "B" #1 | CARLOW CORP. | DRILL | 5,500 | |
| 1989-11-01 | 365763 | 42-135-07640 | COCHRAN, W. C. #4 | CHEVRON U. S. A. INC. | RECOMP | 5,336 | |
| 1989-11-01 | 365694 | 42-135-03214 | COWDEN, R. B. "12" #4 | MARATHON OIL COMPANY | RECOMP | 8,500 | |
| 1989-10-31 | 365852 | 42-135-36164 | NORTH COWDEN UNIT #1399 | AMOCO PRODUCTION COMPANY | DRILL | 5,000 | |
| 1989-10-31 | 365852 | 42-135-36164 | NORTH COWDEN UNIT #1399 | AMOCO PRODUCTION COMPANY | DRILL | 5,000 | |
| 1989-10-31 | 365851 | 42-135-36165 | NORTH COWDEN UNIT #1398 | AMOCO PRODUCTION COMPANY | DRILL | 5,000 | |
| 1989-10-31 | 365082 | 42-135-36143 | EAST PENWELL (SAN ANDRES) UNIT #1506 | FINA OIL & CHEMICAL COMPANY | DRILL | 4,100 | |
| 1989-10-31 | 365081 | 42-135-36148 | EAST PENWELL (SAN ANDRES) UNIT #1412 | FINA OIL & CHEMICAL COMPANY | DRILL | 4,100 | |
| 1989-10-31 | 365079 | 42-135-36150 | EAST PENWELL (SAN ANDRES) UNIT #208 | FINA OIL & CHEMICAL COMPANY | DRILL | 4,100 | |
| 1989-10-30 | 365666 | 42-135-36160 | GOLDSMITH ADOBE UNIT #1505 | TRISEARCH INC. | DRILL | 6,200 | |
| 1989-10-30 | 365656 | 42-135-36159 | KAYSER, EVA #5 | OSCEOLA OIL & GAS CORPORATION | DRILL | 4,600 | |
| 1989-10-30 | 365614 | 42-135-01133 | GOLDSMITH, C.A., ET AL #756W | CHEVRON U. S. A. INC. | RECOMP | 6,280 | |
| 1989-10-27 | 365577 | 42-135-36157 | EMMONS UNIT #216 | FINA OIL & CHEMICAL COMPANY | DRILL | 4,800 | |
| 1989-10-27 | 365576 | 42-135-36158 | EMMONS UNIT #215 | FINA OIL & CHEMICAL COMPANY | DRILL | 4,800 | |
| 1989-10-27 | 365575 | 42-135-36155 | EMMONS UNIT #214 | FINA OIL & CHEMICAL COMPANY | DRILL | 4,800 | |
| 1989-10-27 | 365574 | 42-135-36156 | EMMONS UNIT #129 | FINA OIL & CHEMICAL COMPANY | DRILL | 4,800 | |
| 1989-10-25 | 365471 | 42-135-36152 | SOUTH COWDEN UNIT #620 | PHILLIPS PETROLEUM COMPANY | DRILL | 4,875 | |
| 1989-10-24 | 365470 | 42-135-36153 | SOUTH COWDEN UNIT #224 | PHILLIPS PETROLEUM COMPANY | DRILL | 4,875 | |
| 1989-10-24 | 365293 | 42-135-06721 | PARKS, ROY JR "B" TG #16 | ARCO OIL & GAS CO. | RECOMP | 13,114 | |
| 1989-10-20 | 365233 | 42-135-08311 | WILLIAMSON, JESSIE MAE #A 1 | BROCK OIL & GAS CORPORATION | RECOMP | 8,250 | |
| 1989-10-18 | 365080 | 42-135-36149 | EAST PENWELL (SAN ANDRES) UNIT #1111 | FINA OIL & CHEMICAL COMPANY | DRILL | 4,100 | |
| 1989-10-16 | 365111 | 42-135-36151 | CASTLEMAN "11" #1G | SAGE ENERGY COMPANY | DRILL | 6,000 | |
| 1989-10-16 | 365085 | 42-135-36146 | EAST PENWELL (SAN ANDRES) UNIT #906 | FINA OIL & CHEMICAL COMPANY | DRILL | 4,100 | |
| 1989-10-16 | 365084 | 42-135-36145 | EAST PENWELL (SAN ANDRES) UNIT #907 | FINA OIL & CHEMICAL COMPANY | DRILL | 4,100 | |
| 1989-10-16 | 365059 | 42-135-36147 | OLIVER "23" #1G | SAGE ENERGY COMPANY | DRILL | 6,000 |
Source: Texas Railroad Commission drilling permit master (OGA049M), refreshed daily. See also operators in Ector County.