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KOWALIK 228-1R AC

Kowalik 228-1R Ac is a gas well in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Sugarkane (Austin Chalk) field.

Oil lease dossier

1bbl oil, last 12 months−100% vs prior year
RRC lease
02-288629

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil in Jul 2026
0 bbl
Reporting since
Jan 2020

Checks stopped on this lease?

  • Sales

    No sales reported for the last 12 months of state data (through Jul 2026).

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

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Production by month

Oil output fell 100% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 100% over the last 12 monthsMonthly oil production and gas for KOWALIK 228-1R AC, Aug 2023 to Jul 2026. Oil output fell 100% over the last 12 months. 1 bbl in the 12 months through Jul 2026, against 1,161 bbl in the 12 months before.Last 12 months: 1 bblbbl per monthmcf per month002005004001,0006001,5008002,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 100% over the last 12 monthsMonthly oil production and gas for KOWALIK 228-1R AC, Aug 2023 to Jul 2026. Oil output fell 100% over the last 12 months. 1 bbl in the 12 months through Jul 2026, against 1,161 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002005004001,0006001,5008002,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuel

Flaring peaked at 3.2% of the gas in Jan 2024.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuelShare of KOWALIK 228-1R AC gas by disposition code each month, Aug 2023 to Jul 2026. Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 3.2% of the gas in Jan 2024.Share of the lease’s gas by disposition code, per month0%50%100%Mar 2024: fuel to plantFlared 3.2%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuelShare of KOWALIK 228-1R AC gas by disposition code each month, Aug 2023 to Jul 2026. Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 3.2% of the gas in Jan 2024.Share of gas by disposition code0%50%100%Mar 24: fuel to plantFlared 3.2%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    84% · 6,729 mcf

  • Lease fuel (1)

    15% · 1,237 mcf

  • Flared (4)

    0.4% · 35 mcf

0.4% of the gas flared in the last 12 months. One month above 3%.

Wells on this lease

No wells are linked to this lease in our data

Production is still reported at lease level.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Marathon Oil Ef LLCCondensateGathers100Jan 1, 2025–
Marathon Oil Ef LLCGas-well gasBuys100Nov 3, 2015–
Marathon Oil Ef LLCGas-well gasGathers100Nov 3, 2015–
Bp Products North America Inc.CondensateGathers20Nov 3, 2015Jan 1, 2025
Ngl Crude Logistics, LLCCondensateGathers20Jul 1, 2022Jan 1, 2025
Reynolds Energy Transport LLCCondensateGathers10Jul 1, 2022Jan 1, 2025
Shell Trading (Us) CompanyCondensateGathers20Jul 1, 2022Jan 1, 2025
Statewide Crude Inc.CondensateGathers20Jul 1, 2022Jan 1, 2025
Trafigura Trading LLCCondensateGathers10Jul 1, 2022Jan 1, 2025

SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).

623.40 acres on the newest permit

Permits for Kowalik 228-1R Ac
API numberWell no.Acreson the permit
42-255-342523H623.40

SourceRailroad Commission drilling permits, Oct 3, 2026 (source 1, source 2).

What ConocoPhillips told investors it received

Marathon Oil Ef LLC is linked to ConocoPhillips (MRO).
Realized prices reported by ConocoPhillips
QuarterOil$ per bblFiling
Q2 2026$99.40SEC filing
Q1 2026$73.47SEC filing
Q3 2025$66.13SEC filing
Q2 2025$64.23SEC filing
Q1 2025$71.65SEC filing

SourceConocoPhillips quarterly reports, SEC EDGAR, company-wide averages before hedging.

Estimate your royalty

36 months, newest first

Ledger for KOWALIK 228-1R AC
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202600000$80.46$2.89
Jun 202600000$84.81$3.15
May 202600000$102.13$2.94
Apr 202611000$100.32$2.77
Mar 202600000$91.38$3.04
Feb 202600000$64.51$3.62
Jan 202600000$60.04$7.72
Dec 202500000$57.97$4.26
Nov 202500000$60.06$3.79
Oct 202500000$60.89$3.19
Sep 202500000$63.96$2.97
Aug 202500000$64.86$2.91
Jul 202558110$68.39$3.20
Jun 202593947766154$68.17$3.02
May 20251621627486032$62.17$3.12
Apr 20251521528226753$63.54$3.42
Mar 20251791829477942$68.24$4.12
Feb 202532332098180814$71.53$4.19
Jan 20252242204713963$75.74$4.13
Dec 202400000$70.12$3.01
Nov 202400000$69.95$2.12
Oct 202400000$71.99$2.20
Sep 20240015130$70.24$2.28
Aug 20242326330$76.68$1.99
Jul 20242012011,0589133$81.80$2.07
Jun 20242332321,1039621$79.77$2.54
May 20241972001,0769463$80.02$2.12
Apr 20244154131,01588710$85.35$1.60
Mar 20243893911,0158866$81.28$1.49
Feb 202440139891336218$77.25$1.72
Jan 202413914178945725$74.15$3.18
Dec 20232342331,09746929$71.90$2.52
Nov 20232312309633814$77.69$2.71
Oct 20231881911,22364320$85.64$2.98
Sep 20235095061,3277822$89.43$2.64
Aug 202324124142679$81.39$2.58

Flared above 3%

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.

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Nearby

Marathon Oil Ef LLC in Karnes County

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New drilling permits in Karnes County

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