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 |
|---|---|---|---|---|---|---|---|
| 1988-03-23 | 344157 | 42-135-35863 | COWDEN H #1 | COLTER OPERATING CO. | DRILL | 9,000 | |
| 1988-03-22 | 344164 | 42-135-35862 | PARKER, J. E. TRUST ET AL "N" #1 | TEXACO INC. | DRILL | 12,000 | |
| 1988-03-22 | 344164 | 42-135-35862 | PARKER, J. E. TRUST ET AL "N" #1 | TEXACO INC. | DRILL | 12,500 | |
| 1988-03-22 | 344164 | 42-135-35862 | PARKER, J. E. TRUST ET AL "N" #1 | TEXACO INC. | DRILL | 12,500 | |
| 1988-03-22 | 344076 | 42-135-35860 | GIST UNIT #158 | CONOCO INC. | DRILL | 4,500 | |
| 1988-03-22 | 344076 | 42-135-35860 | GIST UNIT #158 | CONOCO INC. | DRILL | 4,500 | |
| 1988-03-21 | 344061 | 42-135-35861 | SOUTH FOSTER UNIT #196W | AMOCO PRODUCTION COMPANY | DRILL | 4,800 | |
| 1988-03-21 | 342408 | 42-135-35833 | MAURICE "B" #1 | CRUMP PETROLEUM CORPORATION | DRILL | 4,700 | |
| 1988-03-16 | 343838 | 42-135-35859 | HEADLEE DEVONIAN UNIT #3810 | GETTY OIL CO. | DRILL | 12,285 | |
| 1988-03-15 | 343762 | 42-135-35858 | JOHNSON, J. L. "38" #7 | CONOCO INC. | DRILL | 5,500 | |
| 1988-03-15 | 343757 | 42-135-35856 | CUMMINS "B" #1 | MARIAH ENERGY CORP. | DRILL | 5,800 | |
| 1988-03-15 | 343756 | 42-135-35855 | CUMMINS "A" #1 | MARIAH ENERGY CORP. | DRILL | 5,800 | |
| 1988-03-15 | 343752 | 42-135-35857 | JOHNSON, J. L. "38" #6 | CONOCO INC. | DRILL | 5,500 | |
| 1988-03-14 | 343789 | 42-135-08117 | BLUE, R. H. #2 | AMOCO PRODUCTION COMPANY | RECOMP | 10,591 | |
| 1988-03-14 | 342389 | 42-135-02664 | COWDEN, J. F. #12 | TEXACO INC. | RECOMP | 7,900 | |
| 1988-03-08 | 343474 | 42-135-08297 | WHEELER, R. A. #1 | TEXACO PRODUCING INC. | RECOMP | 10,360 | |
| 1988-03-07 | 343467 | 42-135-34321 | GOLDSMITH, C. A. ET AL #1379 | CHEVRON U. S. A. INC. | RECOMP | 6,555 | |
| 1988-03-04 | 343405 | 42-135-30360 | GOLDSMITH, C. A. ET AL #1292 | CHEVRON U. S. A. INC. | RECOMP | 6,600 | |
| 1988-03-04 | 343404 | 42-135-34332 | GOLDSMITH, C. A. ET AL #1401 | CHEVRON U. S. A. INC. | RECOMP | 6,600 | |
| 1988-03-04 | 343384 | 42-135-35853 | COWDEN "13" #1 | SAGE ENERGY COMPANY | DRILL | 9,500 | |
| 1988-03-04 | 343369 | 42-135-05673 | TXL "A" #2 | JONES, CHARLES E., JR. | RENTR | 9,574 | |
| 1988-03-03 | 343400 | 42-135-08891 | BLUE ESTATE #6 | AMOCO PRODUCTION COMPANY | RECOMP | 10,694 | |
| 1988-03-03 | 342439 | 42-135-35829 | EMMONS UNIT #127 | FINA OIL & CHEMICAL COMPANY | DRILL | 4,800 | |
| 1988-03-03 | 342438 | 42-135-36089 | COLBERT, E. K. #12 | FINA OIL & CHEMICAL COMPANY | DRILL | 4,800 | |
| 1988-03-03 | 342437 | 42-135-35827 | COLBERT, E. K. #11 | FINA OIL & CHEMICAL COMPANY | DRILL | 4,800 | |
| 1988-03-02 | 343395 | 42-135-35852 | MCNAMARA, RUTH "3" #1 | MERIDIAN OIL INC. | DRILL | 9,050 | |
| 1988-03-02 | 343252 | 42-135-07503 | KLOH "B-41" #2 | CONOCO INC. | RECOMP | 9,870 | |
| 1988-02-29 | 342122 | 42-135-30124 | ADDIS, FRANK V. "D" #6 | AMOCO PRODUCTION COMPANY | RECOMP | 4,850 | |
| 1988-02-25 | 343184 | 42-135-35850 | HENDERSON, E. A. #18R | ARCO OIL & GAS CO. | DRILL | 9,250 | |
| 1988-02-24 | 343003 | 42-135-35847 | NORTH COWDEN UNIT #1358 | AMOCO PRODUCTION COMPANY | DRILL | 5,000 | |
| 1988-02-24 | 342974 | 42-135-35846 | KLOH B-5 #9 | CONOCO INC. | DRILL | 6,900 | |
| 1988-02-23 | 343070 | 42-135-35849 | EDWARDS #1048 | HORIZON OIL & GAS CO. | DRILL | 4,650 | |
| 1988-02-23 | 343062 | 42-135-35848 | COWDEN "32" #2 | BAYTECH, INC. | DRILL | 9,300 | |
| 1988-02-22 | 342828 | 42-135-35843 | FOSTER, H. S. "A" #25 | CONOCO INC. | DRILL | 4,950 | |
| 1988-02-22 | 342827 | 42-135-35845 | SOUTH COWDEN CANYON UNIT #26 | CONOCO INC. | DRILL | 9,250 | |
| 1988-02-22 | 342826 | 42-135-35840 | FOSTER, H. S. "A" #26 | CONOCO INC. | DRILL | 4,950 | |
| 1988-02-22 | 342826 | 42-135-35840 | FOSTER, H. S. "A" #26 | CONOCO INC. | DRILL | 4,950 | |
| 1988-02-22 | 342825 | 42-135-35842 | FOSTER, H. S. "A" #24 | CONOCO INC. | DRILL | 4,950 | |
| 1988-02-22 | 342824 | 42-135-35841 | FOSTER, H. S. A #23 | CONOCO INC. | DRILL | 4,950 | |
| 1988-02-18 | 342775 | 42-135-35839 | COWDEN, E. F. "A" #177W | AMOCO PRODUCTION COMPANY | DRILL | 9,700 | |
| 1988-02-18 | 342775 | 42-135-35839 | COWDEN, E. F. "A" #177W | AMOCO PRODUCTION COMPANY | DRILL | 9,700 | |
| 1988-02-17 | 342587 | 42-135-35837 | WILLIAMSON B #2 | ALTA ENERGY CORPORATION | DRILL | 5,850 | |
| 1988-02-17 | 342586 | 42-135-35838 | ALTA - WILLIAMSON A #2 | ALTA ENERGY CORPORATION | DRILL | 5,850 | |
| 1988-02-16 | 342535 | 42-135-35836 | NORTH COWDEN UNIT #1361 | AMOCO PRODUCTION COMPANY | DRILL | 5,000 | |
| 1988-02-16 | 342534 | 42-135-35834 | NORTH COWDEN UNIT #1326 | AMOCO PRODUCTION COMPANY | DRILL | 5,000 | |
| 1988-02-16 | 342533 | 42-135-35835 | NORTH COWDEN UNIT #1331 | AMOCO PRODUCTION COMPANY | DRILL | 5,000 | |
| 1988-02-15 | 356036 | 42-135-36037 | FASKEN 14 #8 | UNION TEXAS PETROLEUM CORP. | DRILL | 13,400 | |
| 1988-02-11 | 342370 | 42-135-35832 | COLBERT, E. K. #10 | FINA OIL & CHEMICAL COMPANY | DRILL | 4,800 | |
| 1988-02-10 | 342369 | 42-135-35831 | EMMONS UNIT #128 | FINA OIL & CHEMICAL COMPANY | DRILL | 4,800 | |
| 1988-02-10 | 342366 | 42-135-35830 | EMMONS UNIT #208 | FINA OIL & CHEMICAL COMPANY | DRILL | 4,800 |
Source: Texas Railroad Commission drilling permit master (OGA049M), refreshed daily. See also operators in Ector County.