MCMULLEN County

District 13 · Barnett / North Texas · Permits since 1977-06-13 · Data through 2026-08-25

Mcmullen County permitting is running 8.7 permits a month over the trailing 90 days (26 total, up 18% on the prior quarter). EOG RESOURCES, INC. leads with 17 permits in the past 12 months, one of 15 operators active in the county. 5 operators filed a first Mcmullen County permit in the past year. Median permitted depth over the past year is 11,600 ft (prior year: 11,800 ft); 89% of the past year's permits are horizontal.

Window
Custom to

Permits (1yr)

94

vs Prior

-46%

Operators (1yr)

15

Avg Depth (1yr)

11,891

Hz % (1yr)

89%

All Time

8,552

Depth Range: 0 - 25,000 ft
SWD wells in MCMULLEN County → 50 active injection & disposal wells · full UIC inventory

Permit Activity

Permit Types (1yr)

DRILL

85

-28 vs prior

FLD-XFR

5

+3 vs prior

RECOMP

2

-56 vs prior

RENTR

2

NEW vs prior

Top Operators

by permits, trailing 12 mo View All
OPERATORPERMITS 12MOWELLS
17386
1372
11264
896
874
869
7182
745
6474
214

Recent Permits

View All
PERMITLEASETYPEISSUED
MORRILL-WARSPITE ADRILL2026-08-25
MORRILL-WARSPITE DDRILL2026-08-25
MORRILL-WARSPITE BDRILL2026-08-25
MORRILL-WARSPITE CDRILL2026-08-25
MORRILL RANC-PEEL A SA ADRILL2026-07-20
HILL CREEK-HUFFDRILL2026-07-20
HILL CREEK-LAZY FORKDRILL2026-07-10
LOVELAND ADRILL2026-07-02
LOVELAND BDRILL2026-07-02
LOVELAND DDRILL2026-07-02

New to MCMULLEN County

first county permit, past 12 mo
OPERATORFIRST PERMITPERMITSBACKGROUND
2025-10-277active elsewhere in TX
2026-04-202active elsewhere in TX
2026-06-021active elsewhere in TX
2026-01-271first TX permits
2025-11-181first TX permits

Formations Beneath MCMULLEN County

from RRC completion filings
FORMATIONWELLSMEDIAN TOP (FT)
Olmos2,7138,943
Wilcox2,2774,940
Eagle Ford2,19510,722
Austin Chalk2,19310,373
Anacacho2,13510,005
Navarro1,8508,130
Escondido1,2577,557
Carrizo1,1344,633