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ZAVALA County

District 4 · Gulf Coast (Southwest) · Permits since 1977-06-06 · Data through 2026-07-10

All Permits Operators

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. One operator filed a first Zavala County permit in the past year. Median permitted depth over the past year is 6,250 ft (prior year: 7,000 ft); 92% of the past year's permits are horizontal.

Window
30d90d6mo1yrall
Custom to

Permits (1yr)

25

vs Prior

+56%

Operators (1yr)

6

Avg Depth (1yr)

6,268

Hz % (1yr)

92%

All Time

3,561

Depth Range: 200 - 17,000 ft
SWD wells in ZAVALA County → 23 active injection & disposal wells · full UIC inventory

Permit Activity

Permit Types (1yr)

DRILL

20

+4 vs prior

FLD-XFR

3

NEW vs prior

RECOMP

2

NEW vs prior

Top Operators

by permits, trailing 12 mo View All
OPERATORPERMITS 12MOWELLS
CML EXPLORATION, LLC777
BLACKBRUSH O & G, LLC710
ROSEWOOD RESOURCES, INC.68
BOLLINGER DRILLING CO.20
GULFTEX ENERGY, LLC20
MAGNOLIA OIL & GAS OPERATING LLC126

Recent Permits

View All
PERMITLEASETYPEISSUED
916476TLAPEKRECOMP2026-07-10
916466PUCKETT BDRILL2026-06-18
916464PUCKETT ADRILL2026-06-18
916173CHITTIM HEIRSDRILL2026-06-12
916274CHITTIM HEIRSDRILL2026-06-12
916197CHITTIM HEIRSDRILL2026-06-10
916221CHITTIM HEIRSDRILL2026-06-10
916213CHITTIM HEIRSDRILL2026-06-08
915262URBANDRILL2026-05-04
915192BLACKMONDRILL2026-04-30

New to ZAVALA County

first county permit, past 12 mo
OPERATORFIRST PERMITPERMITSBACKGROUND
GULFTEX ENERGY, LLC2026-04-302active elsewhere in TX

Formations Beneath ZAVALA County

from RRC completion filings
FORMATIONWELLSMEDIAN TOP (FT)
Austin Chalk7345,727
Olmos6433,816
Anacacho5795,304
Escondido5722,952
Eagle Ford5416,211
San Miguel3664,278
Buda1096,550
Midway532,630