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COUNTIES · EAGLE FORD SHALE · DISTRICT 02 · CODE 255

Karnes County, Texas

The RRC's county figures put Karnes County at 77,286,501 bbl of oil and 241,319,842 Mcf of gas in the twelve months through August 2026; oil is down 25% on the twelve months before.

2,691 leases under 48 operators had production in those months.

Karnes County permitting is running 17 permits a month over the trailing 90 days (50 total, up 25% on the prior quarter).

Burlington Resources O & G Co LP leads with 36 permits in the past 12 months, one of 14 operators active in the county.

One operator filed a first Karnes County permit in the past year.

Median permitted depth over the past year is 14,200 ft (prior year: 13,900 ft); 99% of the past year's permits are horizontal.

The county has 41 active disposal and injection permits of 149 on file, with 77.3M barrels injected in the 12 months reported through September 2025.

146 earthquakes of magnitude 2 or more were located in the county's permit footprint over the past two years, the largest M4.6.

8,171 drilling permits have been issued in Karnes County since 1977.

8,171 permits on file since 1977 · last issued Oct 30, 2026

Email me new permits

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

5,224
active wells · 8,525 on file
48
producing operators, 12 months
2,691
producing leases, 12 months
77.3M
bbl oil, 12 months through Aug 2026 · −25%
241M
Mcf gas, same 12 months · −25%

RRC COUNTY FIGURES · NO. 7 IN OIL AND NO. 17 IN GAS OF 219 PRODUCING TEXAS COUNTIES

Karnes 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.

12 months through Aug 2026 77,286,501 · prior 12 102,878,781(-25%)

05M10M15M2017201820192020202120222023202420252026

Latest months

MonthOilGas
Aug 20265,627,024 bbl17,972,420 Mcf
Jul 20265,837,287 bbl17,748,233 Mcf
Jun 20265,912,190 bbl17,405,183 Mcf
May 20266,301,892 bbl18,376,561 Mcf
Apr 20265,853,198 bbl19,410,630 Mcf
Mar 20265,999,116 bbl20,036,909 Mcf
Feb 20265,669,903 bbl18,664,827 Mcf
Jan 20266,825,000 bbl20,810,534 Mcf
Dec 20256,814,116 bbl20,960,600 Mcf
Nov 20257,014,797 bbl22,013,855 Mcf
Oct 20257,518,598 bbl23,578,233 Mcf
Sep 20257,913,380 bbl24,341,857 Mcf

Operators by production

12 MONTHS THROUGH AUG 2026

  1. Burlington Resources O & G Co LP340 leases

    22.5M bbl · 62.4M Mcf

  2. Marathon Oil EF LLC1,003 leases

    13.8M bbl · 59.4M Mcf

  3. EOG Resources, Inc.340 leases

    12.2M bbl · 29M Mcf

  4. Devon Energy Production Co, L.P.233 leases

    8.77M bbl · 23.3M Mcf

  5. BPX Operating Company112 leases

    4.68M bbl · 10M Mcf

  6. Magnolia Oil & Gas Operating LLC111 leases

    3.71M bbl · 12.2M Mcf

  7. Repsol Oil & Gas USA, LLC242 leases

    2.3M bbl · 19.6M Mcf

  8. Murphy Expl. & Prod. Co. - USA87 leases

    4.3M bbl · 7.56M Mcf

48 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 Karnes County →

Largest leases

2,691 LEASES WITH PRODUCTION · 12 MONTHS THROUGH AUG 2026

LeaseOperatorFieldOil, 12 moGas, 12 mo
San ChristovalOil 12939Burlington Resources O & G Co LPSugarkane (Eagle Ford)1,378,042 bbl6,376,916 Mcf
Metz Ranch Unit AOil 10564Burlington Resources O & G Co LPEagleville (Eagle Ford-2)1,522,795 bbl2,113,380 Mcf
Ruckman Ranch UnitOil 9731Burlington Resources O & G Co LPEagleville (Eagle Ford-2)752,062 bbl1,827,822 Mcf
JulieOil 9558Devon Energy Production Co, L.P.Eagleville (Eagle Ford-2)879,064 bbl413,447 Mcf
Ruckman Trust Unit DOil 9777Burlington Resources O & G Co LPEagleville (Eagle Ford-2)707,212 bbl878,418 Mcf
Turner UnitOil 10651Murphy Expl. & Prod. Co. - USAEagleville (Eagle Ford-2)643,333 bbl1,219,845 Mcf
June Day Unit AOil 9836Burlington Resources O & G Co LPEagleville (Eagle Ford-2)584,586 bbl1,256,039 Mcf
Ecleto Partnership Unit BOil 10659Burlington Resources O & G Co LPEagleville (Eagle Ford-2)573,869 bbl785,790 Mcf
Crews Unit AOil 10316Burlington Resources O & G Co LPEagleville (Eagle Ford-2)392,205 bbl1,511,403 Mcf
Ecleto Partnership Unit AOil 10647Burlington Resources O & G Co LPEagleville (Eagle Ford-2)453,310 bbl687,467 Mcf
Ridley 01Oil 11355Marathon Oil EF LLCSugarkane (Eagle Ford)372,332 bbl1,171,014 Mcf
Colin W Johnson Unit AOil 10739Burlington Resources O & G Co LPEagleville (Eagle Ford-2)327,850 bbl1,232,361 Mcf
Willeke Unit AGas 301482Burlington Resources O & G Co LPSugarkane (Eagle Ford)292,569 bbl1,379,867 Mcf
Green AOil 9983Devon Energy Production Co, L.P.Eagleville (Eagle Ford-2)376,692 bbl768,191 Mcf
June Day Unit BOil 9925Burlington Resources O & G Co LPEagleville (Eagle Ford-2)370,992 bbl755,561 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 Karnes County →

Wells by status

8,525 WELLBORES ON FILE

  1. Producing

    5,094

  2. Plugged

    1,215

  3. Not on schedule

    939

  4. Shut In

    628

  5. Temp Abandoned

    274

  6. Spudded

    143

  7. Permitted

    79

  8. Not Eligible For Allowable

    54

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

02004006008002002200420062008201020122014201620182020202220242026

Drilling permits

Window30 days90 days180 days365 days
50
permits issued, 90d
+25%
vs prior 90d (40)
6
operators filing
100%
horizontal
14,377
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 143 · prior 12 179(-20%)

0501001502017201820192020202120222023202420252026

Operators by permits, last 12 months

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

OperatorPermitsWells
Burlington Resources O & G Co LP36662
Marathon Oil EF LLC341,766
Silver Hill Energy Operating LLC2224
BPX Operating Company13262
Repsol Oil & Gas USA, LLC9391
EOG Resources, Inc.81,132
Magnolia Oil & Gas Operating LLC8311
Verdun Oil & Gas LLC735
Devon Energy Production Co, L.P.3827
Gulftex Energy, LLC357

Full operator directory: 480 operators have filed a permit here since 1977 →

New entrants, last 12 months

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

Permit types, 90d

TypeWindowPriorAll time
Drill48407,698
Recompletion20364

What the types mean →

Formations in completed wells

RRC WELLBORE FILE · ≥10 WELLS

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

Fewer than ten wells in Karnes County report the Sparta, so it is below this table's cutoff. Back to the formation →

FormationWellsPermitted last 3 yrsMedian top, ftP10–P90
Austin Chalk5,64039711,2009,861–12,655
Eagle Ford5,13737811,53810,142–12,870
Wilcox4,3543435,1223,850–6,754
Queen City4,0663103,8602,454–6,440
Reklaw4,0333193,9602,929–5,264
Carrizo4,0083114,4453,450–5,730
Yegua3,5792441,9331,085–4,000
Anacacho1,8483410,5269,264–12,260
Frio1,6161081,500500–3,200
Midway440508,4066,546–9,214
Olmos333159,4608,037–10,347
Navarro232258,4977,088–9,637
Pecan Gap2033711,82910,023–12,419
Edwards153010,73010,620–13,452
Buda64010,65010,364–12,791

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Disposal and injection

41
active UIC permits of 149
707K
permitted bbl/day, active
77.3M
bbl injected, last 12 reported months
Sep 2025
reported through

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

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

USGS catalog, Texas

Seismicity, last 2 years

146
M2+ events in the area
M4.6
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
919591Nov 1, 2026Oct 30, 2026Marathon Oil EF LLCRodriguez-Medina SA A #1H17,50025538486
919365Oct 30, 2026Oct 28, 2026Burlington Resources O & G Co LPLeo Frank-Ruth SA3 #3H17,50025538480
919625Oct 29, 2026Oct 27, 2026Silver Hill Energy Operating LLCMargaret Unit 1-Splitter A #104HH12,50025538490
919057Oct 29, 2026Oct 27, 2026Silver Hill Energy Operating LLCMargaret Unit 1-Splitter A #007HH12,50025538472
919593Oct 29, 2026Oct 27, 2026Marathon Oil EF LLCRodriguez-Medina SA C #1H17,50025538488
919592Oct 29, 2026Oct 27, 2026Marathon Oil EF LLCRodriguez-Medina SA B #1H17,50025538487
919516Oct 28, 2026Oct 26, 2026Verdun Oil & Gas LLCLochnagar G #7HH11,40025538482
919418Oct 25, 2026Oct 23, 2026Burlington Resources O & G Co LPKorth Vickers Unit C #2H17,50025538481
919506Oct 25, 2026Oct 23, 2026Burlington Resources O & G Co LPKorth Vickers C-D SA F #1H17,50025538484
919503Oct 25, 2026Oct 23, 2026Burlington Resources O & G Co LPKorth Vickers C-D SA E #1H17,50025538483

All Karnes County permits →

Questions about Karnes County

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

150 permits were issued in Karnes County in the last 12 months, down 18% from 184 in the 12 months before. 99% were for horizontal wells. The most recent was issued Oct 30, 2026. 8,171 are on file since 1977.

Every Karnes County permit →

Who is the most active operator in Karnes County?

By drilling permits filed in the last 12 months, Burlington Resources O & G Co LP is the most active operator in Karnes County, with 36 of 150, followed by Marathon Oil EF LLC (34) and Silver Hill Energy Operating LLC (22). 6 operators filed permits here in the last 90 days.

Operators in Karnes County →

How many oil and gas wells are in Karnes County?

8,525 wells are on file in Karnes County, including 5,224 active, 1,215 plugged, and 79 permitted and not yet drilled. 6,210 are horizontal. The active wells are under 61 operators.

Every well in Karnes County →

How much oil and gas does Karnes County produce?

The Railroad Commission's county figures show 77.3 million barrels of oil and 241 million Mcf of gas in Karnes County in the 12 months through August 2026, from 2,691 leases under 48 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 Karnes County →

Who are the largest producers in Karnes County?

By oil and gas produced in Karnes County in the 12 months through August 2026, the largest operator is Burlington Resources O & G Co LP, with 22.5 million barrels of oil and 62.4 million Mcf of gas from 340 leases, followed by Marathon Oil EF LLC and EOG Resources, Inc.. 48 operators had production here in those months.

Operators in Karnes County →

How much water is injected in Karnes County?

77.3 million barrels of water were injected in Karnes County in the 12 months through September 2025, reported on form H-10. 41 of the county's 149 disposal and injection permits are active.

Disposal and injection in Karnes County →

What formations are drilled in Karnes County?

Completion filings for wells in Karnes County report tops for 15 formations in at least ten wells each. The most reported are the Austin Chalk (5,640 wells, median top 11,200 ft), the Eagle Ford (5,137 wells, median top 11,538 ft), and the Wilcox (4,354 wells, median top 5,122 ft).

Formations in Karnes County →

What basin is Karnes County in?

Petrora lists Karnes County in the Eagle Ford Shale. It is in the Railroad Commission's District 02.

The Eagle Ford Shale →

Have there been earthquakes in Karnes County?

146 earthquakes of magnitude 2 or more were located in the area of Karnes County's permitted wells in the last 2 years; the largest was M4.6.

Earthquakes in Karnes 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/karnes?days=90, documented in the API reference.