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FRIO County

District 3 · Gulf Coast (Southeast) · Permits since 1977-06-06 · Data through 2026-08-19

All Permits Operators

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.

Window
30d90d6mo1yrall
Custom to

Permits (30d)

7

vs Prior

+75%

Operators (30d)

1

Avg Depth (30d)

9,714

Hz % (30d)

86%

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 (30d)

DRILL

7

+3 vs prior

Top Operators

by permits, trailing 12 mo View All
OPERATORPERMITS 12MOWELLS
FORMENTERA OPERATIONS LLC4364
ROSEWOOD RESOURCES, INC.1335
CENTRAL GULF PETROLEUM INC94
TEXAS AMERICAN RESOURCES COMPANY515
ARETE OPERATING COMPANY, LLC42
EOG RESOURCES, INC.22
MB ENERGY, LLC10

Recent Permits

View All
PERMITLEASETYPEISSUED
917936FLAVIA-UNITDRILL2026-08-19
917939NEXT IN LINE-UNITDRILL2026-08-19
917937NERO-UNITDRILL2026-08-19
917940NEXT IN LINE-UNITDRILL2026-08-19
917936FLAVIA-UNITDRILL2026-08-19
917937NERO-UNIT-ADRILL2026-08-19
917763NEPTUNEDRILL2026-08-12
917323OPPENHEIMER CDRILL2026-07-27
917324TWIN CREEKS ADRILL2026-07-22
917320OPPENHEIMER ADRILL2026-07-22

New to FRIO County

first county permit, past 12 mo
OPERATORFIRST PERMITPERMITSBACKGROUND
CENTRAL GULF PETROLEUM INC2025-12-029first TX permits
MB ENERGY, LLC2025-10-231active elsewhere in TX

Formations Beneath FRIO County

from RRC completion filings
FORMATIONWELLSMEDIAN TOP (FT)
Austin Chalk1,3486,433
Olmos1,0004,422
Anacacho9525,990
Eagle Ford7247,128
Escondido5813,735
Navarro3793,678
Queen City3081,358
San Miguel2735,156