< counties

WILLACY County

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

All Permits Operators

Willacy County has had no new drilling permits in the past 90 days; the most recent permit on record was issued 2025-09-11.

Window
30d90d6mo1yrall
Custom to

Permits (6mo)

0

vs Prior

--

Operators (6mo)

0

Avg Depth (6mo)

--

Hz % (6mo)

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 (6mo)

No permits issued in this window — data through 2025-09-11. Widen the time window above to see historical mix.

Top Operators

by well inventory — no permits past 12 mo View All
OPERATORWELLS
CITATION OIL & GAS CORP.240
CHESTNUT EXPLOR. AND PROD. INC.69
EXXON CORP.38
TEXAS OIL AND GAS OPERATING LLC36
AMOCO PRODUCTION COMPANY28
DEWBRE PETROLEUM CORPORATION25
CODY ENERGY LLC21
APOLLO PETRO FUELS LLC20
EOG RESOURCES INC.20
WAGNER OIL COMPANY18

Recent Permits

View All
PERMITLEASETYPEISSUED
910272YTURRIA RRDRILL2025-09-11
889398YTURRIADRILL2023-04-12
889398YTURRIADRILL2023-04-12
889308YTURRIADRILL2023-03-24
876404YTURRIARECOMP2022-02-02
876422YTURRIA CATTLE COMPANYRECOMP2022-01-31
871157THOMAS UNITRECOMP2021-07-14
864731THOMAS UNITRECOMP2020-08-18
863765YTURRIARECOMP2020-06-04
828297CANTURECOMP2017-06-30

Formations Beneath WILLACY County

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