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COUNTIES · EAGLE FORD SHALE · DISTRICT 01 · CODE 323

Maverick County, Texas

The RRC's county figures put Maverick County at 2,361,359 bbl of oil and 9,316,591 Mcf of gas in the twelve months through August 2026; oil is down 14% on the twelve months before.

109 leases under 23 operators had production in those months.

2 drilling permits were issued in Maverick County in the past 90 days, 6 in the 90 days before.

Jonah Energy LLC leads with 9 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; 76% of the past year's permits are horizontal.

The county has 269 active disposal and injection permits of 838 on file, with 3.32M barrels injected in the 12 months reported through September 2025.

17 earthquakes of magnitude 2 or more were located in the county's permit footprint over the past two years, the largest M3.6.

2,783 drilling permits have been issued in Maverick County since 1977.

2,783 permits on file since 1977 · last issued Sep 16, 2026

Email me new permits

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

987
active wells · 3,775 on file
23
producing operators, 12 months
109
producing leases, 12 months
2.4M
bbl oil, 12 months through Aug 2026 · −14%
9.3M
Mcf gas, same 12 months · −20%

RRC COUNTY FIGURES · NO. 44 IN OIL AND NO. 75 IN GAS OF 219 PRODUCING TEXAS COUNTIES

Maverick County oil and gas production

RRC COUNTY FIGURES · THROUGH AUG 2026

Texas operators report production by lease, and the Railroad Commission totals it by county. Where a lease lies in more than one county, the split between them is the RRC's. Oil includes condensate; gas includes casinghead gas. Leases are still filing for Aug 2026, so that month and the twelve-month totals will rise.

12 months through Aug 2026 2,361,359 · prior 12 2,732,806(-14%)

0200K400K2017201820192020202120222023202420252026

Latest months

MonthOilGas
Aug 2026still arriving173,042 bbl683,125 Mcf
Jul 2026183,166 bbl798,306 Mcf
Jun 2026172,371 bbl772,926 Mcf
May 2026166,429 bbl677,277 Mcf
Apr 2026171,489 bbl669,917 Mcf
Mar 2026199,655 bbl727,876 Mcf
Feb 2026192,737 bbl643,324 Mcf
Jan 2026202,664 bbl732,257 Mcf
Dec 2025202,439 bbl768,992 Mcf
Nov 2025214,280 bbl868,650 Mcf
Oct 2025236,598 bbl989,485 Mcf
Sep 2025246,489 bbl984,456 Mcf

Operators by production

12 MONTHS THROUGH AUG 2026

  1. Grit Oil & Gas Management, LLC14 leases

    794K bbl · 3.88M Mcf

  2. Jonah Energy LLC14 leases

    602K bbl · 3.22M Mcf

  3. Strand Energy, L.C.4 leases

    331K bbl · 782K Mcf

  4. Chittim Operating LLC1 lease

    262K bbl · 97.9K Mcf

  5. Endeavor Natural Gas, LP2 leases

    158K bbl · 463K Mcf

  6. El Toro Resources LLC7 leases

    109K bbl · 84.6K Mcf

  7. Javelin Energy Partners Mgmt LLC22 leases

    14.4K bbl · 509K Mcf

  8. CMR Energy, L.P.1 lease

    43.3K bbl · 0 Mcf

23 operators had production here in the twelve months. Each month is credited to the operator that reported it; ranked by barrels of oil equivalent, 6 Mcf to the barrel.

Every operator in Maverick County →

Largest leases

109 LEASES WITH PRODUCTION · 12 MONTHS THROUGH AUG 2026

LeaseOperatorFieldOil, 12 moGas, 12 mo
Serena RanchOil 18614Jonah Energy LLCHugh Fitzsimmons (San Miguel)530,814 bbl2,789,515 Mcf
San Pedro RanchOil 14952Jonah Energy LLCHugh Fitzsimmons (San Miguel)247,909 bbl2,650,680 Mcf
Glass RanchOil 21135Jonah Energy LLCHugh Fitzsimmons (San Miguel)278,195 bbl837,771 Mcf
Chittim, N. J.Oil 2082Chittim Operating LLCSacatosa (San Miguel #1 Sand)261,969 bbl97,880 Mcf
Cage AOil 21159Endeavor Natural Gas, LPHugh Fitzsimmons (San Miguel)114,631 bbl374,286 Mcf
Faith-State-Rincon 'C' UnitOil 21751Strand Energy, L.C.Hugh Fitzsimmons (San Miguel)114,611 bbl285,850 Mcf
Faith-State-Rincon 'D' UnitOil 21546Strand Energy, L.C.Hugh Fitzsimmons (San Miguel)78,552 bbl227,437 Mcf
ComancheOil 19142El Toro Resources LLCLorenzo (Austin Chalk)95,540 bbl79,323 Mcf
Faith-State-Rincon 'B' UnitOil 21247Strand Energy, L.C.Hugh Fitzsimmons (San Miguel)79,477 bbl140,943 Mcf
Serena Ranch-Indio BOil 21722Jonah Energy LLCHugh Fitzsimmons (San Miguel)77,154 bbl100,034 Mcf
Serena Ranch-Indio AOil 21721Jonah Energy LLCHugh Fitzsimmons (San Miguel)76,515 bbl99,761 Mcf
CundieffOil 18998Jonah Energy LLCHugh Fitzsimmons (San Miguel)46,192 bbl226,548 Mcf
Faith-State-Rincon 'a' UnitOil 21066Strand Energy, L.C.Hugh Fitzsimmons (San Miguel)58,097 bbl128,209 Mcf
CageOil 20664Endeavor Natural Gas, LPHugh Fitzsimmons (San Miguel)43,631 bbl89,027 Mcf
Serena Ranch-Indio COil 21815Jonah Energy LLCHugh Fitzsimmons (San Miguel)42,843 bbl60,121 Mcf

Ranked by barrels of oil equivalent, 6 Mcf to the barrel. A lease in two counties is listed with its share in this one.

Every lease in Maverick County →

Wells by status

3,775 WELLBORES ON FILE

  1. Plugged

    1,979

  2. Producing

    706

  3. Not on schedule

    479

  4. Injection

    266

  5. Shut In

    215

  6. Temp Abandoned

    45

  7. Spudded

    38

  8. No Production

    26

From the RRC wellbore file and the permit record. Other sites count the RRC's map locations, which include dry holes and locations this file does not hold, so their totals differ.

Wells spudded, by year

HorizontalVertical and directional

01002003002002200420062008201020122014201620182020202220242026

Drilling permits

Window30 days90 days180 days365 days
2
permits issued, 90d
-67%
vs prior 90d (6)
1
operators filing
0%
horizontal
300
avg permitted depth, ft

WINDOWS ON THE RRC ISSUE DATE · COMPUTED NOV 12, 2026 · WHY ISSUE AND SEEN DATES DIFFER

Permits issued by month

LAST 120 MONTHS · BY ISSUE DATE

Last 12 months 21 · prior 12 30(-30%)

0510152017201820192020202120222023202420252026

Operators by permits, last 12 months

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

OperatorPermitsWells
Jonah Energy LLC9107
Blackbrush O & G, LLC417
El Toro Resources LLC360
Texas Pipeline LLC30
Endeavor Natural Gas, LP218

Full operator directory: 231 operators have filed a permit here since 1977 →

New entrants, last 12 months

Operators whose first permit in Maverick County came in the last year. 1 in total.

Permit types, 90d

TypeWindowPriorAll time
Drill262,519

What the types mean →

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 Anacacho is reported in 121 wells, median top 2,690 ft, highlighted below. Back to the formation →

FormationWellsPermitted last 3 yrsMedian top, ftP10–P90
San Miguel1,340541,5271,270–2,800
Olmos466501,050521–2,120
Georgetown35713,0602,158–5,091
Buda34412,8101,794–4,709
Eagle Ford34252,6661,425–4,841
Austin Chalk304161,376652–3,374
Del Rio29712,8501,941–4,874
Glen Rose16905,7003,865–6,311
McKnight15905,1803,151–5,714
Edwards14005,5753,400–6,032
Anacacho12152,690670–3,403
Escondido10021900360–1,117
Pearsall2806,5945,911–8,646
Rodessa1505,4914,836–6,204
James Lime1206,7236,116–9,072

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Disposal and injection

269
active UIC permits of 838
52K
permitted bbl/day, active
3.32M
bbl injected, last 12 reported months
Sep 2025
reported through

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

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

USGS catalog, Texas

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

PermitSeenIssuedOperatorLease / wellDepthAPI
918665Sep 18, 2026Sep 16, 2026Texas Pipeline LLCCP#26-162 Cathodic Protection #4430032333700
918667Sep 18, 2026Sep 16, 2026Texas Pipeline LLCCp# 26-161 #4330032333701
916561Jun 19, 2026Jun 19, 2026El Toro Resources LLCComanche #1513HH4,30032333699
916560Jun 19, 2026Jun 19, 2026El Toro Resources LLCComanche #1512HH4,30032333698
916559Jun 19, 2026Jun 19, 2026El Toro Resources LLCComanche #1511HH4,30032333697
916214Jun 9, 2026Jun 9, 2026Texas Pipeline LLCCp# 26-105 Cathodic Protection #3733032333696
915831May 21, 2026May 21, 2026Blackbrush O & G, LLCChittim Heirs B #20HH4,80032333694
915817May 21, 2026May 21, 2026Blackbrush O & G, LLCChittim Heirs A #19HH4,80032333695
915439May 8, 2026May 8, 2026Blackbrush O & G, LLCChittim #40410,00032333693
915391AmendmentMay 6, 2026May 6, 2026Jonah Energy LLCSerena Ranch #6308HH3,99932333692

All Maverick County permits →

Questions about Maverick County

How many drilling permits were issued in Maverick County in the last 12 months?

21 permits were issued in Maverick County in the last 12 months, down 30% from 30 in the 12 months before. 76% were for horizontal wells. The most recent was issued Sep 16, 2026. 2,783 are on file since 1977.

Every Maverick County permit →

Who is the most active operator in Maverick County?

By drilling permits filed in the last 12 months, Jonah Energy LLC is the most active operator in Maverick County, with 9 of 21, followed by Blackbrush O & G, LLC (4) and El Toro Resources LLC (3). 1 operator filed permits here in the last 90 days.

Operators in Maverick County →

How many oil and gas wells are in Maverick County?

3,775 wells are on file in Maverick County, including 987 active, 1,980 plugged, and 5 permitted and not yet drilled. 526 are horizontal. The active wells are under 23 operators.

Every well in Maverick County →

How much oil and gas does Maverick County produce?

The Railroad Commission's county figures show 2.4 million barrels of oil and 9.3 million Mcf of gas in Maverick County in the 12 months through August 2026, from 109 leases under 23 operators. Texas operators report production by lease; where a lease lies in more than one county, the split between them is the RRC's.

Production by month in Maverick County →

Who are the largest producers in Maverick County?

By oil and gas produced in Maverick County in the 12 months through August 2026, the largest operator is Grit Oil & Gas Management, LLC, with 793,852 barrels of oil and 3.9 million Mcf of gas from 14 leases, followed by Jonah Energy LLC and Strand Energy, L.C.. 23 operators had production here in those months.

Operators in Maverick County →

How much water is injected in Maverick County?

3.3 million barrels of water were injected in Maverick County in the 12 months through September 2025, reported on form H-10. 269 of the county's 838 disposal and injection permits are active.

Disposal and injection in Maverick County →

What formations are drilled in Maverick County?

Completion filings for wells in Maverick County report tops for 15 formations in at least ten wells each. The most reported are the San Miguel (1,340 wells, median top 1,527 ft), the Olmos (466 wells, median top 1,050 ft), and the Georgetown (357 wells, median top 3,060 ft).

Formations in Maverick County →

What basin is Maverick County in?

Petrora lists Maverick County in the Eagle Ford Shale. It is in the Railroad Commission's District 01.

The Eagle Ford Shale →

Have there been earthquakes in Maverick County?

17 earthquakes of magnitude 2 or more were located in the area of Maverick County's permitted wells in the last 2 years; the largest was M3.6.

Earthquakes in Maverick County →

About this data

Oil and gas are the Railroad Commission's county figures from its Production Data Query, through Aug 2026: Texas files production by lease, and where a lease lies in more than one county the split is the RRC's. Nothing here is estimated by Petrora. Wells from the RRC wellbore file and the permit record. 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.