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 |
|---|---|---|---|---|---|---|---|
| 1987-02-18 | 326470 | 42-135-35421 | NORTH COWDEN UNIT #1244 | AMOCO PRODUCTION COMPANY | DRILL | 4,900 | |
| 1987-02-18 | 326467 | 42-135-35419 | NORTH COWDEN UNIT #1257 | AMOCO PRODUCTION COMPANY | DRILL | 4,900 | |
| 1987-02-18 | 326466 | 42-135-35417 | NORTH COWDEN UNIT #1259 | AMOCO PRODUCTION COMPANY | DRILL | 4,950 | |
| 1987-02-17 | 326713 | 42-135-35435 | MOSS UNIT #1615 | UNION OIL COMPANY OF CALIFORNIA | DRILL | 4,900 | |
| 1987-02-17 | 326712 | 42-135-35436 | MOSS UNIT #1015 | UNION OIL COMPANY OF CALIFORNIA | DRILL | 5,000 | |
| 1987-02-17 | 326608 | 42-135-35438 | NORTH COWDEN UNIT #1282 | AMOCO PRODUCTION COMPANY | DRILL | 4,845 | |
| 1987-02-17 | 326607 | 42-135-35437 | NORTH COWDEN UNIT #1283 | AMOCO PRODUCTION COMPANY | DRILL | 4,850 | |
| 1987-02-17 | 326570 | 42-135-35432 | EAST HARPER UNIT #465 | SHELL WESTERN E&P INC. | DRILL | 4,500 | |
| 1987-02-17 | 326489 | 42-135-35424 | NORTH COWDEN UNIT #1243 | AMOCO PRODUCTION COMPANY | DRILL | 5,055 | |
| 1987-02-17 | 326487 | 42-135-35425 | NORTH COWDEN UNIT #1254 | AMOCO PRODUCTION COMPANY | DRILL | 4,780 | |
| 1987-02-17 | 326485 | 42-135-35423 | NORTH COWDEN UNIT #1256 | AMOCO PRODUCTION COMPANY | DRILL | 4,845 | |
| 1987-02-17 | 326484 | 42-135-35415 | NORTH COWDEN UNIT #1274 | AMOCO PRODUCTION COMPANY | DRILL | 4,795 | |
| 1987-02-17 | 326484 | 42-135-35415 | NORTH COWDEN UNIT #1274 | AMOCO PRODUCTION COMPANY | DRILL | 4,795 | |
| 1987-02-17 | 326482 | 42-135-35414 | NORTH COWDEN UNIT #1276 | AMOCO PRODUCTION COMPANY | DRILL | 4,860 | |
| 1987-02-17 | 326480 | 42-135-35411 | NORTH COWDEN UNIT #1278 | AMOCO PRODUCTION COMPANY | DRILL | 4,935 | |
| 1987-02-17 | 326462 | 42-135-35410 | NORTH COWDEN UNIT #1269 | AMOCO PRODUCTION COMPANY | DRILL | 4,945 | |
| 1987-02-17 | 326422 | 42-135-34249 | FASKEN, DAVID "CF" #2 | AMOCO PRODUCTION COMPANY | RECOMP | 10,448 | |
| 1987-02-17 | 326421 | 42-135-34144 | FASKEN, DAVID "CF" #1 | AMOCO PRODUCTION COMPANY | RECOMP | 10,550 | |
| 1987-02-17 | 326420 | 42-135-07724 | MIDLAND FARMS "AJ" #1 | AMOCO PRODUCTION COMPANY | RECOMP | 13,228 | |
| 1987-02-13 | 326541 | 42-135-35431 | NORTH COWDEN UNIT #1284 | AMOCO PRODUCTION COMPANY | DRILL | 4,875 | |
| 1987-02-13 | 326540 | 42-135-35430 | NORTH COWDEN UNIT #1281 | AMOCO PRODUCTION COMPANY | DRILL | 4,805 | |
| 1987-02-13 | 326023 | 42-135-07254 | MILLARD -C- #3 | PHILLIPS PETROLEUM COMPANY | RECOMP | 7,400 | |
| 1987-02-12 | 326536 | 42-135-35401 | TEXACO-SLATOR "22" #1 | RUST OIL CORP. | DRILL | 8,500 | |
| 1987-02-12 | 326405 | 42-135-35400 | EAST HARPER UNIT #399 | SHELL WESTERN E&P INC. | DRILL | 4,500 | |
| 1987-02-12 | 326404 | 42-135-35398 | EAST HARPER UNIT #398 | SHELL WESTERN E&P INC. | DRILL | 4,500 | |
| 1987-02-12 | 326403 | 42-135-35399 | EAST HARPER UNIT #397 | SHELL WESTERN E&P INC. | DRILL | 4,500 | |
| 1987-02-12 | 326402 | 42-135-35397 | EAST HARPER UNIT #396 | SHELL WESTERN E&P INC. | DRILL | 4,500 | |
| 1987-02-12 | 326401 | 42-135-35396 | EAST HARPER UNIT #395 | SHELL WESTERN E&P INC. | DRILL | 4,500 | |
| 1987-02-12 | 326400 | 42-135-35395 | EAST HARPER UNIT #394 | SHELL WESTERN E&P INC. | DRILL | 4,500 | |
| 1987-02-10 | 326223 | 42-135-35388 | EAST HARPER UNIT #393 | SHELL WESTERN E&P INC. | DRILL | 4,500 | |
| 1987-02-10 | 326222 | 42-135-35387 | EAST HARPER UNIT #392 | SHELL WESTERN E&P INC. | DRILL | 4,500 | |
| 1987-02-09 | 326380 | 42-135-35394 | MINS-DD #6 | PHILLIPS PETROLEUM COMPANY | DRILL | 4,600 | |
| 1987-02-09 | 326283 | 42-135-35392 | NORTH COWDEN UNIT #1215 | AMOCO PRODUCTION COMPANY | DRILL | 4,860 | |
| 1987-02-09 | 326282 | 42-135-35391 | NORTH COWDEN UNIT #1209 | AMOCO PRODUCTION COMPANY | DRILL | 5,100 | |
| 1987-02-09 | 326281 | 42-135-35390 | NORTH COWDEN UNIT #1208 | AMOCO PRODUCTION COMPANY | DRILL | 4,950 | |
| 1987-02-09 | 326280 | 42-135-35389 | NORTH COWDEN UNIT #1205 | AMOCO PRODUCTION COMPANY | DRILL | 5,000 | |
| 1987-02-08 | 342291 | 42-135-35826 | LOTER "10" #1 | RUST OIL CORP. | DRILL | 13,000 | |
| 1987-02-05 | 326169 | 42-135-35385 | NORTH COWDEN UNIT #1232 | AMOCO PRODUCTION COMPANY | DRILL | 4,950 | |
| 1987-02-05 | 326168 | 42-135-35384 | NORTH COWDEN UNIT #1231 | AMOCO PRODUCTION COMPANY | DRILL | 4,900 | |
| 1987-02-05 | 326167 | 42-135-35383 | NORTH COWDEN UNIT #1230 | AMOCO PRODUCTION COMPANY | DRILL | 4,950 | |
| 1987-02-05 | 326166 | 42-135-35382 | NORTH COWDEN UNIT #1229 | AMOCO PRODUCTION COMPANY | DRILL | 4,950 | |
| 1987-01-30 | 325758 | 42-135-35380 | WIGHT "17" #8 | CONOCO INC. | DRILL | 10,700 | |
| 1987-01-29 | 323695 | 42-135-35279 | EAST COWDEN (GB) UNIT #74 | CONOCO INC. | DRILL | 4,700 | |
| 1987-01-27 | 325709 | 42-135-35379 | TXL-CF #1 | PHILLIPS PETROLEUM COMPANY | DRILL | 6,200 | |
| 1987-01-21 | 325570 | 42-135-35377 | PHILLIPS-TXL "23" #1 | RUST OIL CORP. | DRILL | 9,000 | |
| 1987-01-20 | 325650 | 42-135-35378 | EDWARDS "A" #1 | TERRA RESOURCES, INC. | DRILL | 9,200 | |
| 1987-01-13 | 325396 | 42-135-34733 | WOODS, E. N. #1A | AMOCO PRODUCTION COMPANY | RECOMP | 10,537 | |
| 1987-01-05 | 325110 | 42-135-35376 | DEN "A" (R D COWDEN, ECT) #2 | MAGNUM-TONTINE CORPORATION, THE | DRILL | 4,600 | |
| 1987-01-05 | 325109 | 42-135-35375 | DEN "A" (R D COWDEN, ECT) #1 | MAGNUM-TONTINE CORPORATION, THE | DRILL | 4,600 | |
| 1987-01-05 | 324778 | 42-135-35374 | WRIGHT COWDEN #1 | BROWN, H. L., JR. | DRILL | 5,600 |
Source: Texas Railroad Commission drilling permit master (OGA049M), refreshed daily. See also operators in Ector County.