Zavala County Drilling Permits
Every permit issued by the Texas Railroad Commission in Zavala County — updated daily, data through 2026-07-10.
Zavala County permitting is running 3.3 permits a month over the trailing 90 days (10 total, versus 7 in the prior quarter). CML EXPLORATION, LLC leads with 7 permits in the past 12 months, one of 6 operators active in the county.
Last 30 Days
1
Operators (30d)
1
Latest Permit
2026-07-10
All Time
3,562
3,562 permits
| ISSUED | PERMIT | API | LEASE | OPERATOR | TYPE | DEPTH | HZ |
|---|---|---|---|---|---|---|---|
| 1977-06-20 | 1084 | 42-507-30873 | BARNHART CO.-THOMPSON, HARRY F. #426 | CHAMPLIN PETROLEUM CO. | DRILL | 7,500 | |
| 1977-06-20 | 1084 | 42-507-30873 | BARNHART CO.-THOMPSON, HARRY F. #426 | BERENERGY CORPORATION | DRILL | 7,331 | |
| 1977-06-20 | 1083 | 42-507-30872 | BARNHART CO. - THOMPSON, HARRY F #226 | CHAMPLIN PETROLEUM CO. | DRILL | 7,500 | |
| 1977-06-20 | 1081 | 42-507-30871 | EARNEST, W. A. "A" #30-1 | LADD PETROLEUM CORP. | DRILL | 6,660 | |
| 1977-06-17 | 1086 | 42-507-30874 | BARNHART CO.-THOMPSON, HARRY F. #327 | CHAMPLIN PETROLEUM CO. | DRILL | 7,500 | |
| 1977-06-17 | 1086 | 42-507-30874 | BARNHART CO.-THOMPSON, HARRY F. #327 | BERENERGY CORPORATION | DRILL | 7,500 | |
| 1977-06-16 | 809 | 42-507-30870 | J. L. H. LAND INVESTMENTS CORP #3 | JERCO ENTERPRISES, INC. | DRILL | 1,300 | |
| 1977-06-15 | 746 | 42-507-30869 | LITTLE, J. PAUL,TRUSTEE #1-165 | WILBANKS, BRUCE A. | DRILL | 6,989 | |
| 1977-06-14 | 653 | 42-507-30868 | VANCLEVE, E. C. #1 | BURK ROYALTY COMPANY | DRILL | 2,580 | |
| 1977-06-13 | 495 | 42-507-30867 | BLALACK, ALVAN, W. JR. #29-1 | LADD PETROLEUM CORP. | DRILL | 8,500 | |
| 1977-06-07 | 149 | 42-507-30866 | JOHNSON, PAULINE #3 | RETAMA OIL CORPORATION | DRILL | 5,200 | |
| 1977-06-06 | 44 | 42-507-30865 | BARNHART CO.-THOMPSON,HARRY F. #111 | CHAMPLIN PETROLEUM CO. | DRILL | 7,500 |
page 72 of 72
Source: Texas Railroad Commission drilling permit master (OGA049M), refreshed daily. See also operators in Zavala County.