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). 5 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 |
|---|---|---|---|---|---|---|---|
| 1988-07-05 | 348410 | 42-135-35905 | COWDEN RANCH "7" #8 | RUST OIL CORP. | DRILL | 9,000 | |
| 1988-07-05 | 347430 | 42-135-05128 | UNIVERSITY -D- #12 | SHELL WESTERN E&P INC. | RECOMP | 5,274 | |
| 1988-06-29 | 348314 | 42-135-35903 | MOSS UNIT #1306 | UNION OIL COMPANY OF CALIFORNIA | DRILL | 4,800 | |
| 1988-06-28 | 348293 | 42-135-35904 | CROSS G #2 | OXY USA INC. | DRILL | 13,400 | |
| 1988-06-28 | 348293 | 42-135-35904 | CROSS G #2 | OXY USA INC. | DRILL | 13,195 | |
| 1988-06-22 | 348007 | 42-135-35685 | BLAKENEY B #5 | OXY USA INC. | RECOMP | 5,600 | |
| 1988-06-22 | 347994 | 42-135-02217 | MOSS, PAUL "C" #1WS | EASTLAND OIL COMPANY, THE | RENTR | 1,150 | |
| 1988-06-22 | 347735 | 42-135-35898 | FASKEN 14 #7 | UNION TEXAS PETROLEUM CORP. | DRILL | 13,650 | |
| 1988-06-16 | 347780 | 42-135-35902 | COWDEN "1" #1 | SAGE ENERGY COMPANY | DRILL | 9,500 | |
| 1988-06-16 | 346969 | 42-135-35894 | COWDEN, J. M. R/A "A" #134 | AMOCO PRODUCTION COMPANY | DRILL | 5,310 | |
| 1988-06-16 | 346967 | 42-135-35893 | COWDEN, J. M. R/A "B" #133 | AMOCO PRODUCTION COMPANY | DRILL | 5,310 | |
| 1988-06-14 | 347701 | 42-135-35901 | CUMMINS "B" #2 | MARIAH ENERGY CORP. | DRILL | 5,900 | |
| 1988-06-14 | 347700 | 42-135-35900 | CUMMINS "A" #2 | MARIAH ENERGY CORP. | DRILL | 5,900 | |
| 1988-06-14 | 347640 | 42-135-00106 | CUMMINS J #2 | OXY USA INC. | RECOMP | 9,259 | |
| 1988-06-13 | 347699 | 42-135-35899 | COWDEN "16" #1 | MARIAH ENERGY CORP. | DRILL | 6,600 | |
| 1988-06-13 | 347641 | 42-135-35897 | COWDEN, ELLIOTT F. #6 | SAGE ENERGY COMPANY | DRILL | 4,500 | |
| 1988-06-10 | 346055 | 42-135-30577 | ECTOR 'AK' FEE #3 | CONOCO INC. | RECOMP | 4,900 | |
| 1988-06-08 | 347525 | 42-135-35895 | JOHNSON "B-37" #3 | ARCO OIL & GAS CO. | DRILL | 9,300 | |
| 1988-06-08 | 347524 | 42-135-35896 | JOHNSON "B-37" #4 | ARCO OIL & GAS CO. | DRILL | 9,300 | |
| 1988-06-02 | 347144 | 42-135-30366 | EAST PENWELL/SAN ANDRES/UNIT #1313 | FINA OIL & CHEMICAL COMPANY | RECOMP | 3,982 | |
| 1988-06-02 | 344224 | 42-135-35869 | GIST UNIT #157 | CONOCO INC. | DRILL | 4,500 | |
| 1988-06-01 | 345787 | 42-135-05127 | JORDAN UNIVERSITY UNIT #338 | SHELL WESTERN E&P INC. | RECOMP | 3,800 | |
| 1988-05-26 | 346899 | 42-135-30129 | GOLDSMITH, C. A. ETAL #1202 | CHEVRON U. S. A. INC. | RECOMP | 6,600 | |
| 1988-05-25 | 346810 | 42-135-35892 | JENNIFER 'B' #31 | RENDOVA OIL CO | DRILL | 4,700 | |
| 1988-05-23 | 346393 | 42-135-35889 | FOSTER #1 | CRUMP PETROLEUM CORPORATION | DRILL | 4,800 | |
| 1988-05-23 | 345692 | 42-135-35882 | WITCHER, J. E. #93 | AMOCO PRODUCTION COMPANY | DRILL | 4,800 | |
| 1988-05-19 | 346736 | 42-135-35891 | JENNIFER #30 | RENDOVA OIL CO | DRILL | 4,700 | |
| 1988-05-18 | 346600 | 42-135-34424 | COWDEN, E. F. "A" #154 | AMOCO PRODUCTION COMPANY | RECOMP | 9,143 | |
| 1988-05-17 | 346619 | 42-135-35890 | MOSS "E" #1 | AMOCO PRODUCTION COMPANY | DRILL | 9,200 | |
| 1988-05-16 | 345232 | 42-135-33196 | FASKEN, DAVID "BG" #1 | AMOCO PRODUCTION COMPANY | RECOMP | 10,882 | |
| 1988-05-11 | 346437 | 42-135-35888 | JOHNSON "B-31" #1 | ARCO OIL & GAS CO. | DRILL | 9,300 | |
| 1988-05-11 | 346377 | 42-135-35887 | FOSTER, H. #26W | AMOCO PRODUCTION COMPANY | DRILL | 9,700 | |
| 1988-05-10 | 346391 | 42-135-05837 | PHILLIPS-TXL "47" #2 | RUST OIL CORP. | RENTR | 6,060 | |
| 1988-05-09 | 346166 | 42-135-35886 | TXL "43" #1 | ATKINS PETROLEUM CORP. | DRILL | 5,800 | |
| 1988-05-09 | 346165 | 42-135-35885 | COWDEN "H" #2 | ATKINS PETROLEUM CORP. | DRILL | 4,350 | |
| 1988-05-04 | 344649 | 42-135-35580 | UNIVERSITY -D- #17 | SHELL WESTERN E&P INC. | RECOMP | 5,810 | |
| 1988-05-03 | 345883 | 42-135-35883 | SHOE-BAR RANCH "B" #1 | PENWELL ENERGY, INC. | DRILL | 11,500 | |
| 1988-05-03 | 345883 | 42-135-35883 | SHOE-BAR RANCH "B" #1 | PENWELL ENERGY, INC. | DRILL | 11,500 | |
| 1988-05-02 | 345917 | 42-135-35884 | COWDEN "12" #1 | SAGE ENERGY COMPANY | DRILL | 9,500 | |
| 1988-04-27 | 345645 | 42-135-35879 | WITCHER, J. E. #94 | AMOCO PRODUCTION COMPANY | DRILL | 4,800 | |
| 1988-04-26 | 345646 | 42-135-35881 | WITCHER, J. E. #95 | AMOCO PRODUCTION COMPANY | DRILL | 4,800 | |
| 1988-04-25 | 344349 | 42-135-35865 | COWDEN, E. F. "A" #168 | AMOCO PRODUCTION COMPANY | DRILL | 9,700 | |
| 1988-04-20 | 345470 | 42-135-35629 | RATLIFF, SALLIE W. #1 | SUN EXPL. & PROD. CO.-MIDLAND | RECOMP | 13,720 | |
| 1988-04-20 | 345468 | 42-135-35880 | JOHNSON "B-36" #2 | ARCO OIL & GAS CO. | DRILL | 9,300 | |
| 1988-04-20 | 345351 | 42-135-35878 | TEXACO-SLATOR "22" #3 | RUST OIL CORP. | DRILL | 6,500 | |
| 1988-04-20 | 345350 | 42-135-35877 | COWDEN RANCH "6" #4 | RUST OIL CORP. | DRILL | 9,000 | |
| 1988-04-11 | 344983 | 42-135-35876 | COWDEN "29" #1 | BAYTECH, INC. | DRILL | 9,300 | |
| 1988-04-07 | 343403 | 42-135-30323 | GOLDSMITH, C. A. ET AL #1273 | CHEVRON U. S. A. INC. | RECOMP | 6,650 | |
| 1988-04-05 | 344819 | 42-135-35875 | GOLDSMITH LANDRETH (DEEP) UNIT #246 | AMOCO PRODUCTION COMPANY | DRILL | 6,800 | |
| 1988-04-05 | 344818 | 42-135-35874 | GOLDSMITH LANDRETH (DEEP) UNIT #244 | AMOCO PRODUCTION COMPANY | DRILL | 6,800 |
Source: Texas Railroad Commission drilling permit master (OGA049M), refreshed daily. See also operators in Ector County.