COUNTIES · BARNETT SHALE AND NORTH TEXAS · DISTRICT 7B · CODE 059

Callahan County

Callahan County permitting is running 1.7 permits a month over the trailing 90 days (5 total, versus 3 in the prior quarter). 2 were issued in the past week.

Energy Transfer Company leads with 4 permits in the past 12 months, one of 7 operators active in the county.

4 operators filed a first Callahan County permit in the past year.

Median permitted depth over the past year is 400 ft (prior year: 775 ft); 0% of the past year's permits are horizontal.

The county has 116 active disposal and injection permits, with 1.68M barrels injected in the 12 months reported through June 2025.

6,192 drilling permits have been issued in Callahan County since 1977.

6,192 permits on file since 1977 · last issued Oct 26, 2026

Watch Callahan County

Also: every Callahan County well in the statewide list, searchable → · a year of permits on the map →

5
permits issued, 90d
+67%
vs prior 90d (3)
3
operators filing
0%
horizontal
884
avg permitted depth, ft
1,060
operators, all time

WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026 · WHY ISSUE AND SEEN DATES DIFFER

Permits issued by month

LAST 64 MONTHS · BY ISSUE DATE

Last 12 months 19 · prior 12 20(-5%)

05102017201820192020202120222023202420252026

Top operators, last 12 months

By permits issued. Wells are the operator’s current inventory here from the RRC wellbore file.

Full operator directory →

New entrants, last 12 months

Operators whose first permit in Callahan County came in the last year. 4 in total.

Permit types, 90d

TypeWindowPriorAll time
Drill535,584

What the types mean →

Formations in completed wells

RRC WELLBORE FILE · ≥10 WELLS

Tops reported on completion filings for wells in Callahan County. A well counts for every formation it reports, so this reads as the county's stratigraphic column. About tops →

In Callahan County the Strawn is reported in 27 wells, median top 2,900 ft, highlighted below. Back to the formation →

FormationWellsPermitted last 3 yrsMedian top, ftP10–P90
Caddo41903,3502,970–4,025
Ellenburger27204,1823,990–4,525
Tannehill1900823300–1,543
Palo Pinto18402,5041,882–3,157
Duffer13703,8523,703–3,954
Barnett8403,9723,860–4,331
Saddle Creek8301,139416–1,710
Coleman Junction651800280–1,092
Marble Falls6303,7353,294–4,147
Mississippian3104,0793,910–4,484
Cisco280850448–1,819
Strawn2702,9002,262–3,856
Gunsight250900524–1,946

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Disposal and injection

116
active UIC permits of 1,244
41.6K
permitted bbl/day, active
1.68M
bbl injected, last 12 reported months
Jun 2025
reported through

Every active well, operator, and daily reporter in Callahan County →

Permitted volume is a ceiling, not throughput. How to read it →

TexNet catalog via USGS

Seismicity, last 2 years

0
M2+ events in the area
—
largest

Monthly counts, magnitudes, and every recent event in the area →

Events are not tagged with a county; this counts M2+ events inside the bounding box of the county’s located permits, padded 0.1°. About TexNet →

Latest permits

NEWEST FIRST BY ISSUE DATE

PermitSeenIssuedOperatorLease / wellDepthAPI
919578Oct 28, 2026Oct 26, 2026Energy Transfer CompanyHbpl-259.25 #0140005937215
919571Oct 28, 2026Oct 26, 2026Energy Transfer CompanyHbpl-240.79 - E CR 269 #0140005937214
918516Sep 16, 2026Sep 14, 2026Energy Transfer CompanyAbilene 3.0 GB - S CR 259 #0142005937213
918276Sep 6, 2026Sep 4, 2026Big Mountain Operating LLCCunningham #12,20005937212
916727Sep 4, 2026Sep 2, 2026Cotula Oil & Gas Co., Inc.Stacy, F.W. #111,00005937211
917386Jul 29, 2026Jul 29, 2026Wilson Well Service Inc.Henderson, E.E. 'B' #340005937114
914970Jun 17, 2026Jun 17, 2026Oneok West TX NGL PL, L.L.C.EA-46 Replacement Tiner #130005937210
914945Jun 17, 2026Jun 17, 2026Oneok West TX NGL PL, L.L.C.EA-33 Replacment Tiner #130005937209
913976Mar 17, 2026Mar 17, 2026Energy Transfer CompanyEtc MP154.3 #160005937208
912211Dec 23, 2025Dec 23, 2025Good News Resources, LLCRhonda Look #140005937207

All Callahan County permits →

About this data

Drilling permits from the RRC OGA049M master and daily daf420 files, rebuilt nightly into per-county figures; windows are on the date issued. Disposal from UIC permits and H-10 reports at the last settled month; earthquakes from the TexNet catalog inside the county's located-permit footprint.

Developers: this page as JSON is GET /v1/data/counties/tx/callahan?days=90, documented in the API reference.