FRIO County
District 3 · Gulf Coast (Southeast) · Permits since 1977-06-06 · Data through 2026-08-19
Frio County permitting is running 7.7 permits a month over the trailing 90 days (23 total, up 53% on the prior quarter). FORMENTERA OPERATIONS LLC leads with 43 permits in the past 12 months, one of 7 operators active in the county. 2 operators filed a first Frio County permit in the past year. Median permitted depth over the past year is 10,350 ft (prior year: 9,000 ft); 79% of the past year's permits are horizontal.
Permits (all)
4297
Operators (all)
583
Avg Depth (all)
7,269
Hz % (all)
54%
All Time
4,297
Depth Range: 0 - 76,006 ft
SWD wells in FRIO County → 147 active injection & disposal wells · full UIC inventory
Earthquakes in FRIO County → 298 M2+ events in 24mo · TexNet
Permit Activity
Permit Types (all)
DRILL
3539
RECOMP
501
RENTR
150
OTHER
102
FLD-XFR
5
Top Operators
by permits, trailing 12 mo View All
| OPERATOR | PERMITS 12MO | WELLS |
|---|---|---|
| FORMENTERA OPERATIONS LLC | 43 | 64 |
| ROSEWOOD RESOURCES, INC. | 13 | 35 |
| CENTRAL GULF PETROLEUM INC | 9 | 4 |
| TEXAS AMERICAN RESOURCES COMPANY | 5 | 15 |
| ARETE OPERATING COMPANY, LLC | 4 | 2 |
| EOG RESOURCES, INC. | 2 | 2 |
| MB ENERGY, LLC | 1 | 0 |
Recent Permits
View All| PERMIT | LEASE | TYPE | ISSUED |
|---|---|---|---|
| 917936 | FLAVIA-UNIT | DRILL | 2026-08-19 |
| 917939 | NEXT IN LINE-UNIT | DRILL | 2026-08-19 |
| 917937 | NERO-UNIT | DRILL | 2026-08-19 |
| 917940 | NEXT IN LINE-UNIT | DRILL | 2026-08-19 |
| 917936 | FLAVIA-UNIT | DRILL | 2026-08-19 |
| 917937 | NERO-UNIT-A | DRILL | 2026-08-19 |
| 917763 | NEPTUNE | DRILL | 2026-08-12 |
| 917323 | OPPENHEIMER C | DRILL | 2026-07-27 |
| 917324 | TWIN CREEKS A | DRILL | 2026-07-22 |
| 917320 | OPPENHEIMER A | DRILL | 2026-07-22 |
New to FRIO County
first county permit, past 12 mo| OPERATOR | FIRST PERMIT | PERMITS | BACKGROUND |
|---|---|---|---|
| CENTRAL GULF PETROLEUM INC | 2025-12-02 | 9 | first TX permits |
| MB ENERGY, LLC | 2025-10-23 | 1 | active elsewhere in TX |
Formations Beneath FRIO County
from RRC completion filings| FORMATION | WELLS | MEDIAN TOP (FT) |
|---|---|---|
| Austin Chalk | 1,348 | 6,433 |
| Olmos | 1,000 | 4,422 |
| Anacacho | 952 | 5,990 |
| Eagle Ford | 724 | 7,128 |
| Escondido | 581 | 3,735 |
| Navarro | 379 | 3,678 |
| Queen City | 308 | 1,358 |
| San Miguel | 273 | 5,156 |