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 6 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
3,561
3,561 permits
| ISSUED | PERMIT | API | LEASE | OPERATOR | TYPE | DEPTH | HZ |
|---|---|---|---|---|---|---|---|
| 2024-02-27 | 897574 | 42-507-33533 | STCH-JOHNSON #7H | BUFFCO PRODUCTION INC. | DRILL | 9,000 | Y |
| 2024-02-26 | 897404 | 42-507-33532 | STCH-JOHNSON #6H | BUFFCO PRODUCTION INC. | DRILL | 9,000 | Y |
| 2024-02-26 | 897392 | 42-507-33531 | STCH-JOHNSON #5H | BUFFCO PRODUCTION INC. | DRILL | 9,000 | Y |
| 2024-02-02 | 896852 | 42-507-33530 | FERGUSON-MCKNIGHT #H 02WT | MAGNOLIA OIL & GAS OPERATING LLC | DRILL | 8,500 | Y |
| 2024-01-12 | 896430 | 42-507-33529 | WILSON-GATES B-HOLDSWORTH (AW) #1H | BUFFCO PRODUCTION INC. | DRILL | 12,000 | Y |
| 2024-01-12 | 896430 | 42-507-33529 | WILSON-GATES B-HOLDSWORTH (AW) #1H | BUFFCO PRODUCTION INC. | DRILL | 12,000 | Y |
| 2024-01-09 | 896307 | 42-507-33528 | TIDWELL UNIT ZAV C #3H | EXCO OPERATING COMPANY, LP | DRILL | 7,000 | Y |
| 2023-12-15 | 895914 | 42-507-33527 | TIDWELL UNIT ZAV A #2H | EXCO OPERATING COMPANY, LP | DRILL | 7,000 | Y |
| 2023-12-15 | 895912 | 42-507-33526 | TIDWELL UNIT ZAV A #1H | EXCO OPERATING COMPANY, LP | DRILL | 7,000 | Y |
| 2023-12-14 | 895898 | 42-507-33525 | TRAYLOR SOUTH ZAV #E 2H | EXCO OPERATING COMPANY, LP | DRILL | 7,000 | Y |
| 2023-12-06 | 895679 | 42-507-33524 | WILSON-GATES B #7H | BUFFCO PRODUCTION INC. | DRILL | 12,000 | Y |
| 2023-12-06 | 895679 | 42-507-33524 | WILSON-GATES B #7H | BUFFCO PRODUCTION INC. | DRILL | 12,000 | Y |
| 2023-12-05 | 895581 | 42-507-33523 | KM RANCH D ALLOCATION 15 #117H | TRINITY OPERATING (USG), LLC | DRILL | 9,000 | Y |
| 2023-12-05 | 895577 | 42-507-33522 | KM RANCH D ALLOCATION 14 #116H | TRINITY OPERATING (USG), LLC | DRILL | 9,000 | Y |
| 2023-12-05 | 895574 | 42-507-33521 | KM RANCH D ALLOCATION 13 #115H | TRINITY OPERATING (USG), LLC | DRILL | 9,000 | Y |
| 2023-12-05 | 895574 | 42-507-33521 | KM RANCH D ALLOCATION 13 #115H | TRINITY OPERATING (USG), LLC | DRILL | 9,000 | Y |
| 2023-12-05 | 895573 | 42-507-33520 | KM RANCH D ALLOCATION 12 #114H | TRINITY OPERATING (USG), LLC | DRILL | 9,000 | Y |
| 2023-12-05 | 895573 | 42-507-33520 | KM RANCH D ALLOCATION 12 #114H | TRINITY OPERATING (USG), LLC | DRILL | 9,000 | Y |
| 2023-12-04 | 895447 | 42-507-33519 | COLEMAN-TIDWELL ALLOC #1H | EXCO OPERATING COMPANY, LP | DRILL | 7,000 | Y |
| 2023-11-30 | 895445 | 42-507-33518 | TIDWELL-HOWETT UNIT ZAV #1H | EXCO OPERATING COMPANY, LP | DRILL | 7,000 | Y |
| 2023-11-20 | 895113 | 42-507-33517 | KM RANCH C ALLOCATION 11 #113H | TRINITY OPERATING (USG), LLC | DRILL | 8,999 | Y |
| 2023-11-20 | 895113 | 42-507-33517 | KM RANCH C ALLOCATION 11 #113H | TRINITY OPERATING (USG), LLC | DRILL | 8,999 | Y |
| 2023-11-20 | 895112 | 42-507-33516 | KM RANCH C ALLOCATION 10 #112H | TRINITY OPERATING (USG), LLC | DRILL | 8,999 | Y |
| 2023-11-20 | 895112 | 42-507-33516 | KM RANCH C ALLOCATION 10 #112H | TRINITY OPERATING (USG), LLC | DRILL | 8,999 | Y |
| 2023-11-20 | 895109 | 42-507-33515 | KM RANCH C ALLOCATION 9 #111H | TRINITY OPERATING (USG), LLC | DRILL | 8,999 | Y |
| 2023-11-20 | 895109 | 42-507-33515 | KM RANCH C ALLOCATION 9 #111H | TRINITY OPERATING (USG), LLC | DRILL | 8,999 | Y |
| 2023-10-17 | 893786 | 42-507-33514 | PFEIFFER-BYRD #1 | CML EXPLORATION, LLC | DRILL | 6,600 | Y |
| 2023-10-17 | 893786 | 42-507-33514 | PFEIFFER-BYRD #1 | CML EXPLORATION, LLC | DRILL | 6,600 | Y |
| 2023-09-11 | 893451 | 42-507-33513 | TIDWELL UNIT #2H | ETOCO, L.P. | DRILL | 6,500 | Y |
| 2023-08-30 | 893186 | 42-507-33512 | FERGUSON-MCKNIGHT #5812H | EL TORO RESOURCES LLC | DRILL | 6,150 | Y |
| 2023-06-15 | 891276 | 42-507-33511 | WILSON-GATES B #5H | BUFFCO PRODUCTION INC. | DRILL | 12,000 | Y |
| 2023-06-14 | 891279 | 42-507-33510 | WILSON-GATES B #6H | BUFFCO PRODUCTION INC. | DRILL | 12,000 | Y |
| 2023-06-05 | 890928 | 42-507-33509 | WILSON-GATES B #4H | BUFFCO PRODUCTION INC. | DRILL | 11,000 | Y |
| 2023-06-02 | 890926 | 42-507-33508 | WILSON-GATES B #3H | BUFFCO PRODUCTION INC. | DRILL | 12,000 | Y |
| 2023-05-18 | 890404 | 42-507-33500 | GLASSCOCK RANCH C #B101H | TRINITY OPERATING (USG), LLC | DRILL | 8,000 | Y |
| 2023-05-15 | 890417 | 42-507-33507 | GLASSCOCK RANCH C #A100 | TRINITY OPERATING (USG), LLC | DRILL | 8,000 | Y |
| 2023-05-15 | 890416 | 42-507-33506 | GLASSCOCK RANCH C #A 99H | TRINITY OPERATING (USG), LLC | DRILL | 8,000 | Y |
| 2023-05-15 | 890415 | 42-507-33505 | GLASSCOCK RANCH C #A 98H | TRINITY OPERATING (USG), LLC | DRILL | 8,000 | Y |
| 2023-05-12 | 890414 | 42-507-33504 | GLASSCOCK RANCH C #A 97H | TRINITY OPERATING (USG), LLC | DRILL | 8,000 | Y |
| 2023-05-12 | 890408 | 42-507-33503 | GLASSCOCK RANCH C #B104H | TRINITY OPERATING (USG), LLC | DRILL | 8,000 | Y |
| 2023-05-12 | 890408 | 42-507-33503 | GLASSCOCK RANCH C #B104H | TRINITY OPERATING (USG), LLC | DRILL | 8,000 | Y |
| 2023-05-12 | 890407 | 42-507-33502 | GLASSCOCK RANCH C #B103H | TRINITY OPERATING (USG), LLC | DRILL | 8,000 | Y |
| 2023-05-12 | 890407 | 42-507-33502 | GLASSCOCK RANCH C #B103H | TRINITY OPERATING (USG), LLC | DRILL | 8,000 | Y |
| 2023-05-12 | 890405 | 42-507-33501 | GLASSCOCK RANCH C #B102H | TRINITY OPERATING (USG), LLC | DRILL | 8,000 | Y |
| 2023-04-12 | 889739 | 42-507-33499 | CENIZO A #106H | TRINITY OPERATING (USG), LLC | DRILL | 8,000 | Y |
| 2023-04-12 | 889737 | 42-507-33498 | CENIZO A #105H | TRINITY OPERATING (USG), LLC | DRILL | 8,000 | Y |
| 2023-04-12 | 889736 | 42-507-33497 | CENIZO A #104H | TRINITY OPERATING (USG), LLC | DRILL | 8,000 | Y |
| 2023-03-17 | 888973 | 42-507-33496 | HARKEY #2 | HAMILTON, CLAY | DRILL | 5,400 | |
| 2023-03-13 | 888938 | 42-507-33495 | KM RANCH A ALLOCATION 4 #201HA | TRINITY OPERATING (USG), LLC | DRILL | 8,000 | Y |
| 2023-03-13 | 888938 | 42-507-33495 | KM RANCH A ALLOCATION 4 #201HA | TRINITY OPERATING (USG), LLC | DRILL | 8,000 | Y |
Source: Texas Railroad Commission drilling permit master (OGA049M), refreshed daily. See also operators in Zavala County.