COUNTIES · EAGLE FORD SHALE · DISTRICT 01 · CODE 323
Maverick County
Maverick County permitting is running 0.7 permits a month over the trailing 90 days (2 total, down 88% on the prior quarter).
Jonah Energy LLC leads with 13 permits in the past 12 months, one of 5 operators active in the county.
One operator filed a first Maverick County permit in the past year.
Median permitted depth over the past year is 3,999 ft; 80% of the past year's permits are horizontal.
The county has 272 active disposal and injection permits, with 3.38M barrels injected in the 12 months reported through June 2025.
TexNet located 17 earthquakes of magnitude 2 or more in the county's permit footprint over the past two years, the largest M3.6.
3,122 drilling permits have been issued in Maverick County since 1977.
3,122 permits on file since 1977 · last issued Sep 16, 2026
Watch Maverick CountyAlso: every Maverick County well in the statewide list, searchable → · a year of permits on the map →
- 2
- permits issued, 90d
- -88%
- vs prior 90d (17)
- 1
- operators filing
- 0%
- horizontal
- 300
- avg permitted depth, ft
- 232
- operators, all time
WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026 · WHY ISSUE AND SEEN DATES DIFFER
Permits issued by month
LAST 66 MONTHS · BY ISSUE DATE
Last 12 months 55 · prior 12 73(-25%)
Top operators, last 12 months
By permits issued. Wells are the operator’s current inventory here from the RRC wellbore file.
| Operator | Permits | Wells |
|---|---|---|
| Jonah Energy LLC | 13 | 106 |
| Blackbrush O & G, LLC | 4 | 10 |
| EL Toro Resources LLC | 3 | 61 |
| Texas Pipeline LLC | 3 | 0 |
| Endeavor Natural Gas, LP | 2 | 16 |
New entrants, last 12 months
Operators whose first permit in Maverick County came in the last year. 1 in total.
- Jonah Energy LLC13 permitsApr 20, 2026 · new to Texas permits
Formations in completed wells
RRC WELLBORE FILE · ≥10 WELLS
Tops reported on completion filings for wells in Maverick County. A well counts for every formation it reports, so this reads as the county's stratigraphic column. About tops →
In Maverick County the Glen Rose is reported in 169 wells, median top 5,700 ft, highlighted below. Back to the formation →
| Formation | Wells | Permitted last 3 yrs | Median top, ft | P10–P90 |
|---|---|---|---|---|
| San Miguel | 1,338 | 52 | 1,528 | 1,270–2,800 |
| Olmos | 466 | 50 | 1,050 | 521–2,120 |
| Georgetown | 357 | 1 | 3,060 | 2,158–5,091 |
| Buda | 344 | 1 | 2,810 | 1,794–4,709 |
| Eagle Ford | 342 | 5 | 2,666 | 1,425–4,841 |
| Austin Chalk | 303 | 15 | 1,370 | 651–3,376 |
| Del Rio | 297 | 1 | 2,850 | 1,941–4,874 |
| Glen Rose | 169 | 0 | 5,700 | 3,865–6,311 |
| McKnight | 159 | 0 | 5,180 | 3,151–5,714 |
| Edwards | 140 | 0 | 5,575 | 3,400–6,032 |
| Anacacho | 120 | 4 | 2,691 | 669–3,405 |
| Escondido | 100 | 21 | 900 | 360–1,117 |
| Pearsall | 28 | 0 | 6,594 | 5,911–8,646 |
| Rodessa | 15 | 0 | 5,491 | 4,836–6,204 |
| James Lime | 12 | 0 | 6,723 | 6,116–9,072 |
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Disposal and injection
- 272
- active UIC permits of 838
- 52.2K
- permitted bbl/day, active
- 3.38M
- bbl injected, last 12 reported months
- Jun 2025
- reported through
Every active well, operator, and daily reporter in Maverick County →
Permitted volume is a ceiling, not throughput. How to read it →
TexNet catalog via USGS
Seismicity, last 2 years
- 17
- M2+ events in the area
- M3.6
- 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
| Permit | Seen | Issued | Operator | Lease / well | Depth | API |
|---|---|---|---|---|---|---|
| 918665 | Sep 18, 2026 | Sep 16, 2026 | Texas Pipeline LLC | CP#26-162 Cathodic Protection #44 | 300 | 32333700 |
| 918667 | Sep 18, 2026 | Sep 16, 2026 | Texas Pipeline LLC | Cp# 26-161 #43 | 300 | 32333701 |
| 916561 | Jun 19, 2026 | Jun 19, 2026 | EL Toro Resources LLC | Comanche #1513HH | 4,300 | 32333699 |
| 916560 | Jun 19, 2026 | Jun 19, 2026 | EL Toro Resources LLC | Comanche #1512HH | 4,300 | 32333698 |
| 916559 | Jun 19, 2026 | Jun 19, 2026 | EL Toro Resources LLC | Comanche #1511HH | 4,300 | 32333697 |
| 916214 | Jun 9, 2026 | Jun 9, 2026 | Texas Pipeline LLC | Cp# 26-105 Cathodic Protection #37 | 330 | 32333696 |
| 915831 | May 21, 2026 | May 21, 2026 | Blackbrush O & G, LLC | Chittim Heirs B #20HH | 4,800 | 32333694 |
| 915817 | May 21, 2026 | May 21, 2026 | Blackbrush O & G, LLC | Chittim Heirs A #19HH | 4,800 | 32333695 |
| 915439 | May 8, 2026 | May 8, 2026 | Blackbrush O & G, LLC | Chittim #404 | 10,000 | 32333693 |
| 915391 | May 6, 2026 | May 6, 2026 | Jonah Energy LLC | Serena Ranch #6308HH | 3,999 | 32333692 |
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/maverick?days=90, documented in the API reference.