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Texas gas well

Producing

KOWALIK 228-1R

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

Gas well dossier

7,743mcf gas, last 12 months−12% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Eagle Ford)
RRC lease
02-294681

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
2,516 bbl
Gas in Jul 2026
1 mcf

Checks stopped on this lease?

  • Sales

    Sales over the last 3 months fell to 10% of the 9 months before.

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

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Production by month

Gas output fell 12% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 12% over the last 12 monthsMonthly gas production and oil for KOWALIK 228-1R, Aug 2023 to Jul 2026. Gas output fell 12% over the last 12 months. 7,743 mcf in the 12 months through Jul 2026, against 8,752 mcf in the 12 months before.Last 12 months: 7,743 mcfmcf per monthbbl per month001,0002502,0005003,0007504,0001,0005,0001,250Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 12% over the last 12 monthsMonthly gas production and oil for KOWALIK 228-1R, Aug 2023 to Jul 2026. Gas output fell 12% over the last 12 months. 7,743 mcf in the 12 months through Jul 2026, against 8,752 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month001,0002502,0005003,0007504,0001,0005,0001,250Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

Flaring peaked at 4.0% of the gas in Feb 2026.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
Since Jun 2024 the lease's gas goes to a processing plant instead of lease fuelShare of KOWALIK 228-1R gas by disposition code each month, Aug 2023 to Jul 2026. Since Jun 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 4.0% of the gas in Feb 2026.Share of the lease’s gas by disposition code, per month0%50%100%Jun 2024: fuel to plantFlared 4.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Jun 2024 the lease's gas goes to a processing plant instead of lease fuelShare of KOWALIK 228-1R gas by disposition code each month, Aug 2023 to Jul 2026. Since Jun 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 4.0% of the gas in Feb 2026.Share of gas by disposition code0%50%100%Jun 24: fuel to plantFlared 4.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    86% · 8,476 mcf

  • Lease fuel (1)

    13% · 1,277 mcf

  • Flared (4)

    1.3% · 129 mcf

1.3% 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%From
Enterprise Crude Oil LLCCondensateGathers25Sep 11, 2014
Plains Pipeline L.p.CondensateGathers25Sep 11, 2014
Reynolds Energy Transport LLCCondensateGathers25Sep 11, 2014
Trafigura Trading LLCCondensateGathers25Sep 11, 2014
Marathon Oil Ef LLCGas-well gasBuys100Sep 11, 2014
Marathon Oil Ef LLCGas-well gasGathers100Sep 11, 2014

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

Who buys my oilOil price check

640 acres on the newest permit

Check your decimal on this lease
Permits for Kowalik 228-1R
API numberWell no.Acreson the permit
42-255-337034H640

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

Unit decimal checker

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
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202677110$80.46$2.89
Jun 202603000$84.81$3.15
May 20261091182572231$102.13$2.94
Apr 20265985892,3972,1077$100.32$2.77
Mar 20261191474904263$91.38$3.04
Feb 20266806662,1411,76685$64.51$3.62
Jan 20268778611,9611,69027$60.04$7.72
Dec 20253837540$57.97$4.26
Nov 202501000$60.06$3.79
Oct 2025414049430$60.89$3.19
Sep 202501000$63.96$2.97
Aug 202547494423813$64.86$2.91
Jul 202512612416140$68.39$3.20
Jun 20254353540$68.17$3.02
May 20256826722,1181,8173$62.17$3.12
Apr 202563827826811$63.54$3.42
Mar 20251,0511,0342,6312,2493$68.24$4.12
Feb 20251841812892520$71.53$4.19
Jan 202500000$75.74$4.13
Dec 202400000$70.12$3.01
Nov 202400000$69.95$2.12
Oct 202403000$71.99$2.20
Sep 20243203191,1519894$70.24$2.28
Aug 20242832821,7601,5282$76.68$1.99
Jul 202410710616140$81.80$2.07
Jun 2024141425210$79.77$2.54
May 202400000$80.02$2.12
Apr 202400000$85.35$1.60
Mar 202403000$81.28$1.49
Feb 20249496399010$77.25$1.72
Jan 202425124969936511$74.15$3.18
Dec 2023188192353010$71.90$2.52
Nov 20233413461,54780411$77.69$2.71
Oct 20236106032,6671,94821$85.64$2.98
Sep 20232892921,0377743$89.43$2.64
Aug 20234544481,5661,1786$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

This lease belongs to

OperatorMarathon Oil Ef LLCFieldSugarkane (Eagle Ford)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

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Sugarkane (Eagle Ford) field

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New drilling permits in Karnes County

Newest in the county: this lease has no coordinates.