WILLACY County

District 4 · Gulf Coast (Southwest) · Permits since 1977-06-13 · Data through 2025-09-11

Willacy County has had no new drilling permits in the past 90 days; the most recent permit on record was issued 2025-09-11. TEXAS OIL AND GAS OPERATING, LLC leads with 1 permit in the past 12 months, the only operator active in the county. Median permitted depth over the past year is 4,500 ft; 0% of the past year's permits are horizontal.

Window
Custom to

Permits (1yr)

1

vs Prior

NEW

Operators (1yr)

1

Avg Depth (1yr)

4,500

Hz % (1yr)

0%

All Time

1,396

Depth Range: 248 - 19,500 ft
SWD wells in WILLACY County → 33 active injection & disposal wells · full UIC inventory

Permit Activity

Permit Types (1yr)

DRILL

1

NEW vs prior

Top Operators

by permits, trailing 12 mo View All
OPERATORPERMITS 12MOWELLS
136

Recent Permits

View All
PERMITLEASETYPEISSUED
YTURRIA RRDRILL2025-09-11
YTURRIADRILL2023-04-12
YTURRIADRILL2023-04-12
YTURRIADRILL2023-03-24
YTURRIARECOMP2022-02-02
YTURRIA CATTLE COMPANYRECOMP2022-01-31
THOMAS UNITRECOMP2021-07-14
THOMAS UNITRECOMP2020-08-18
YTURRIARECOMP2020-06-04
CANTURECOMP2017-06-30

Formations Beneath WILLACY County

from RRC completion filings
FORMATIONWELLSMEDIAN TOP (FT)
Frio1017,860
Miocene (undifferentiated)645,121
Anahuac195,900