FRIO County

District 3 · Gulf Coast (Southeast) · Permits since 1977-06-06 · Data through 2026-07-22

Frio County permitting is running 7.0 permits a month over the trailing 90 days (21 total, down 5% on the prior quarter). 3 were issued in the past week. FORMENTERA OPERATIONS LLC leads with 34 permits in the past 12 months, one of 8 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); 78% of the past year's permits are horizontal.

Window
Custom to

Permits (all)

4287

Operators (all)

583

Avg Depth (all)

7,263

Hz % (all)

54%

All Time

4,287

Depth Range: 0 - 76,006 ft
SWD wells in FRIO County → 147 active injection & disposal wells · full UIC inventory
Earthquakes in FRIO County → 266 M2+ events in 24mo · TexNet

Permit Activity

Permit Types (all)

DRILL

3529

RECOMP

501

RENTR

150

OTHER

102

FLD-XFR

5

Top Operators

by permits, trailing 12 mo View All
OPERATORPERMITS 12MOWELLS
3464
1235
94
515
42
2233
22
10

Recent Permits

View All
PERMITLEASETYPEISSUED
TWIN CREEKS ADRILL2026-07-22
OPPENHEIMER ADRILL2026-07-22
OPPENHEIMER BDRILL2026-07-22
BORDOVSKY J S 'A'DRILL2026-07-10
JOSEY WALESDRILL2026-06-26
BORDOVSKY J S 'A'DRILL2026-06-24
HANCOCK SOUTH WEST B2DRILL2026-06-19
HANCOCK NORTH WEST A2DRILL2026-06-18
BUTCH CASSIDYDRILL2026-06-18
HANCOCK NORTH WEST A1DRILL2026-06-17

New to FRIO County

first county permit, past 12 mo
OPERATORFIRST PERMITPERMITSBACKGROUND
2025-12-029first TX permits
2025-10-231active elsewhere in TX

Formations Beneath FRIO County

from RRC completion filings
FORMATIONWELLSMEDIAN TOP (FT)
Austin Chalk1,3456,434
Olmos9974,424
Anacacho9495,996
Eagle Ford7217,139
Escondido5783,739
Navarro3793,678
Queen City3081,358
San Miguel2725,163