ZAVALA County
district 4 // Gulf Coast (Southwest) // permits since 1977-06-06
permits (all)
3551
operators (all)
422
avg_depth (all)
5,342
hz_pct (all)
39%
all_time
3,551
depth_range: 200 - 17,000 ft
-- permit_activity
-- permit_types (all)
DRILL
3102
RECOMP
321
RENTR
78
OTHER
44
FLD-XFR
6
-- top_operators (all)
| OPERATOR | TOTAL | ALL | LAST |
|---|---|---|---|
| EXCO OPERATING COMPANY, LP | 272 | 272 | 2024-09-18 |
| WINN EXPLORATION/DULCE COMPANY | 269 | 269 | 1989-11-09 |
| CHESAPEAKE OPERATING, INC. | 180 | 180 | 2014-10-01 |
| CML EXPLORATION, LLC | 161 | 161 | 2026-03-05 |
| ORYX ENERGY COMPANY | 107 | 107 | 1997-09-16 |
| JENNINGS EXPLORATION CO. | 100 | 100 | 1997-12-16 |
| BUFFCO PRODUCTION INC. | 76 | 76 | 2024-05-09 |
| TRINITY OPERATING (USG), LLC | 70 | 70 | 2023-12-05 |
| ROME EXPLORATION CO, INC. | 66 | 66 | 1989-08-09 |
| WINN EXPLORATION CO., INC. | 65 | 65 | 2010-04-14 |
-- recent_permits
all >>| PERMIT | LEASE | TYPE | ISSUED |
|---|---|---|---|
| 914062 | LANG TRUST | DRILL | 2026-03-16 |
| 914053 | LANG TRUST | DRILL | 2026-03-13 |
| 914054 | LANG TRUST | DRILL | 2026-03-13 |
| 914052 | LANG TRUST | DRILL | 2026-03-13 |
| 913670 | SUGAR RANCH | FLD-XFR | 2026-03-05 |
| 913578 | KLEIMANN | FLD-XFR | 2026-03-05 |
| 911305 | HABY | RECOMP | 2025-10-24 |
| 910971 | KIEFER, CHESTER | DRILL | 2025-10-08 |
| 909718 | KIEFER, CHESTER | DRILL | 2025-08-29 |
| 909978 | FERGUSON-MCKNIGHT | DRILL | 2025-08-22 |