Ector County Drilling Permits
Every permit issued by the Texas Railroad Commission in Ector County — updated daily, data through 2026-08-04.
Ector County permitting is running 8.7 permits a month over the trailing 90 days (26 total, down 45% on the prior quarter). 7 were issued in the past week. DIAMONDBACK E&P LLC leads with 87 permits in the past 12 months, one of 19 operators active in the county.
Last 30 Days
17
Operators (30d)
4
Latest Permit
2026-08-04
All Time
16,074
16,074 permits
| ISSUED | PERMIT | API | LEASE | OPERATOR | TYPE | DEPTH | HZ |
|---|---|---|---|---|---|---|---|
| 1989-09-05 | 363555 | 42-135-36129 | COWDEN, CLYDE #177 | PHILLIPS PETROLEUM COMPANY | DRILL | 6,800 | |
| 1989-09-05 | 362454 | 42-135-35522 | FASKEN "19" #1 | UNION TEXAS PETROLEUM CORP. | RECOMP | 12,450 | |
| 1989-09-01 | 363239 | 42-135-35338 | BAGLEY, J. E. #13 | FINA OIL & CHEMICAL COMPANY | RECOMP | 4,500 | |
| 1989-08-29 | 363278 | 42-135-36126 | COWDEN, CLYDE #174 | PHILLIPS PETROLEUM COMPANY | DRILL | 6,800 | |
| 1989-08-29 | 363278 | 42-135-36126 | COWDEN, CLYDE #174 | PHILLIPS PETROLEUM COMPANY | DRILL | 6,800 | |
| 1989-08-29 | 363277 | 42-135-36125 | COWDEN, CLYDE #172 | PHILLIPS PETROLEUM COMPANY | DRILL | 6,800 | |
| 1989-08-24 | 363021 | 42-135-36121 | TOAD "B" #2 | CARLOW CORP. | DRILL | 5,500 | |
| 1989-08-14 | 362724 | 42-135-36120 | FOSTER, H. C. #32 | PHILLIPS PETROLEUM COMPANY | DRILL | 6,100 | |
| 1989-08-14 | 362724 | 42-135-36120 | FOSTER, H. C. #32 | PHILLIPS PETROLEUM COMPANY | DRILL | 6,100 | |
| 1989-08-11 | 362579 | 42-135-36118 | JOHNSON, J. L. "38" #7 | CONOCO INC. | DRILL | 5,700 | |
| 1989-08-11 | 362579 | 42-135-36118 | JOHNSON, J. L. "38" #7 | CONOCO INC. | DRILL | 5,700 | |
| 1989-08-10 | 362614 | 42-135-36119 | TOAD "C" #1 | CARLOW CORP. | DRILL | 5,600 | |
| 1989-08-10 | 362439 | 42-135-36116 | GOLDSMITH ADOBE UNIT #4906 | TRISEARCH INC. | DRILL | 6,200 | |
| 1989-08-10 | 362438 | 42-135-36117 | GOLDSMITH ADOBE UNIT #5006 | TRISEARCH INC. | DRILL | 6,200 | |
| 1989-08-08 | 362371 | 42-135-36115 | SOUTH COWDEN CANYON UNIT #30 | CONOCO INC. | DRILL | 9,800 | |
| 1989-08-07 | 362197 | 42-135-04825 | FOSTER-JOHNSON UNIT #1101 | EXXON CORP. | DRILL | 4,164 | |
| 1989-08-04 | 361084 | 42-135-30512 | ECTOR "AS" FEE #5 | CONOCO INC. | RECOMP | 4,800 | |
| 1989-08-03 | 362327 | 42-135-04504 | SLATOR, J.D. #2 | MARATHON OIL COMPANY | RECOMP | 9,758 | |
| 1989-08-03 | 362086 | 42-135-34424 | COWDEN, ELLIOTT F. "A" #154 | AMOCO PRODUCTION COMPANY | RECOMP | 9,143 | |
| 1989-07-31 | 362075 | 42-135-36114 | GOLDSMITH ADOBE UNIT #3505 | TRISEARCH INC. | DRILL | 6,200 | |
| 1989-07-26 | 361869 | 42-135-36113 | KAYSER, EVA #4 | MINIHAN, TOM R. | DRILL | 4,600 | |
| 1989-07-20 | 361590 | 42-135-36112 | COWDEN RANCH "6" #7 | RUST OIL CORP. | DRILL | 9,500 | |
| 1989-07-17 | 358820 | 42-135-36077 | GIST "C" #12 | KERR-MCGEE CORPORATION | DRILL | 4,500 | |
| 1989-07-14 | 361439 | 42-135-36039 | TOAD #5 | CARLOW CORP. | RECOMP | 5,341 | |
| 1989-07-14 | 360536 | 42-135-36097 | CORRIGAN COWDEN UNIT #326 | ARCO OIL & GAS CO. | DRILL | 4,700 | |
| 1989-07-14 | 360535 | 42-135-36096 | CORRIGAN COWDEN UNIT #325 | ARCO OIL & GAS CO. | DRILL | 4,700 | |
| 1989-07-13 | 361361 | 42-135-33549 | PARKER ESTATE #1 | HAWK, BOB OIL OPERATOR | RECOMP | 6,500 | |
| 1989-07-06 | 361085 | 42-135-30572 | ECTOR "AK" FEE #2 | CONOCO INC. | RECOMP | 4,800 | |
| 1989-07-03 | 360992 | 42-135-36111 | COWDEN "13" #5G | SAGE ENERGY COMPANY | DRILL | 6,000 | |
| 1989-06-30 | 360655 | 42-135-36104 | CITY OF ODESSA UTILITY R.O.W. #C0340S | ENERGAS COMPANY | DRILL | 380 | |
| 1989-06-29 | 360937 | 42-135-08919 | DEFORD #2W | PHILLIPS PETROLEUM COMPANY | RECOMP | 6,305 | |
| 1989-06-29 | 360839 | 42-135-36110 | COWDEN "12" #5G | SAGE ENERGY COMPANY | DRILL | 6,000 | |
| 1989-06-29 | 360811 | 42-135-36109 | COWDEN "11" #3G | SAGE ENERGY COMPANY | DRILL | 6,000 | |
| 1989-06-28 | 360840 | 42-135-36108 | COWDEN "11" #2G | SAGE ENERGY COMPANY | DRILL | 6,000 | |
| 1989-06-28 | 360657 | 42-135-36105 | CITY OF ODESSA UTILITY R.O.W. #C0350S | ENERGAS COMPANY | DRILL | 380 | |
| 1989-06-28 | 360653 | 42-135-36103 | CITY OF ODESSA UTILITY R.O.W. #C0330S | ENERGAS COMPANY | DRILL | 380 | |
| 1989-06-28 | 360652 | 42-135-36102 | CITY OF ODESSA UTILITY R.O.W. #C0320S | ENERGAS COMPANY | DRILL | 380 | |
| 1989-06-27 | 360746 | 42-135-36107 | GOLDSMITH ADOBE UNIT #3709 | TRISEARCH INC. | DRILL | 6,200 | |
| 1989-06-27 | 360745 | 42-135-36106 | GOLDSMITH ADOBE UNIT #1105 | TRISEARCH INC. | DRILL | 6,200 | |
| 1989-06-27 | 359847 | 42-135-36093 | SOUTH COWDEN CANYON UNIT #31 | CONOCO INC. | DRILL | 9,800 | |
| 1989-06-22 | 360540 | 42-135-36101 | CORRIGAN COWDEN UNIT #330 | ARCO OIL & GAS CO. | DRILL | 4,700 | |
| 1989-06-22 | 360539 | 42-135-36100 | CORRIGAN COWDEN UNIT #329 | ARCO OIL & GAS CO. | DRILL | 4,700 | |
| 1989-06-22 | 360538 | 42-135-36099 | CORRIGAN COWDEN UNIT #328 | ARCO OIL & GAS CO. | DRILL | 4,700 | |
| 1989-06-22 | 360537 | 42-135-36098 | CORRIGAN COWDEN UNIT #327 | ARCO OIL & GAS CO. | DRILL | 4,700 | |
| 1989-06-22 | 359409 | 42-135-36089 | COLBERT, E. K. #12 | FINA OIL & CHEMICAL COMPANY | DRILL | 4,814 | |
| 1989-06-20 | 360397 | 42-135-36003 | AMOCO-COWDEN 9 #3 | PHOENIX HYDROCARBONS, INC. | RECOMP | 5,850 | |
| 1989-06-15 | 360376 | 42-135-34307 | GOLDSMITH, C. A. ETAL #1420 | CHEVRON U. S. A. INC. | RECOMP | 6,600 | |
| 1989-06-15 | 360375 | 42-135-34473 | GOLDSMITH, C. A. ETAL #1446 | CHEVRON U. S. A. INC. | RECOMP | 6,600 | |
| 1989-06-15 | 360363 | 42-135-36095 | SHOE BAR "E" #1 | MARALO, INC. | DRILL | 10,900 | |
| 1989-06-15 | 360327 | 42-135-05563 | TXL "B" #1 #1 | PERMIAN BRINE SALES, INC. | RENTR | 6,338 |
Source: Texas Railroad Commission drilling permit master (OGA049M), refreshed daily. See also operators in Ector County.