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Texas gas well

Producing

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.

1 well

25,792mcf gas, last 12 months+59% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Austin Chalk)
RRC lease
02-275704

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
4,999 bbl
Gas in Jul 2026
1,942 mcf

Production by month

Gas output rose 59% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output rose 59% over the last 12 monthsMonthly gas production and oil for KOWALIK 228-1R AC, Aug 2023 to Jul 2026. Gas output rose 59% over the last 12 months. 25,792 mcf in the 12 months through Jul 2026, against 16,188 mcf in the 12 months before.Last 12 months: 25,792 mcfmcf per monthbbl per month001,0002002,0004003,0006004,0008005,0001,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output rose 59% over the last 12 monthsMonthly gas production and oil for KOWALIK 228-1R AC, Aug 2023 to Jul 2026. Gas output rose 59% over the last 12 months. 25,792 mcf in the 12 months through Jul 2026, against 16,188 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month001,0002002,0004003,0006004,0008005,0001,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

87% of the gas went to a processing plant in the last 12 months

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

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
87% of the gas went to a processing plant in the last 12 monthsShare of KOWALIK 228-1R AC gas by disposition code each month, Aug 2023 to Jul 2026. 87% of the gas went to a processing plant in the last 12 months. Flaring peaked at 4.0% of the gas in Feb 2026.Share of the lease’s gas by disposition code, per month0%50%100%Flared 4.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
87% of the gas went to a processing plant in the last 12 monthsShare of KOWALIK 228-1R AC gas by disposition code each month, Aug 2023 to Jul 2026. 87% of the gas went to a processing plant in the last 12 months. Flaring peaked at 4.0% of the gas in Feb 2026.Share of gas by disposition code0%50%100%Flared 4.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    87% · 22,387 mcf

  • Lease fuel (1)

    12% · 3,233 mcf

  • Flared (4)

    1.0% · 260 mcf

1.0% of the gas flared in the last 12 months. One month above 3%.

1 well on this lease

Wells on KOWALIK 228-1R AC
API numberWell no.Status
42-255-337042HShut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Bp Products North America Inc.CondensateGathers20Jul 1, 2022–
Reynolds Energy Transport LLCCondensateGathers20Jul 1, 2022–
Shell Trading (Us) CompanyCondensateGathers20Jul 1, 2022–
Statewide Crude Inc.CondensateGathers20Jul 1, 2022–
Trafigura Trading LLCCondensateGathers20Jul 1, 2022–
Marathon Oil Ef LLCGas-well gasBuys100Sep 11, 2014–
Marathon Oil Ef LLCGas-well gasGathers100Sep 11, 2014–
Bp Products North America Inc.CondensateGathers30Sep 11, 2014Jul 1, 2022
Gulfmark Energy, Inc.CondensateGathers10Sep 11, 2014Jul 1, 2022
Marathon Oil Ef LLCCondensateGathers10Sep 11, 2014Jul 1, 2022
Shell Trading (Us) CompanyCondensateGathers10Sep 11, 2014Jul 1, 2022
Statewide Crude Inc.CondensateGathers10Sep 11, 2014Jul 1, 2022
Trafigura Trading LLCCondensateGathers30May 1, 2015Jul 1, 2022

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

Who buys my oilOil price check

640 acres on the newest permit

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Permits for Kowalik 228-1R Ac
API numberWell no.Acreson the permit
42-255-337042H640

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 AC
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20262192141,9421,65710$80.46$2.89
Jun 202606000$84.81$3.15
May 20262182191,7091,4809$102.13$2.94
Apr 20263413422,7782,4428$100.32$2.77
Mar 20263493652,4792,15617$91.38$3.04
Feb 20265345233,0762,537122$64.51$3.62
Jan 20266726733,3472,88347$60.04$7.72
Dec 20255215213,6333,17020$57.97$4.26
Nov 20255135063,0632,71214$60.06$3.79
Oct 20254324332,5242,1997$60.89$3.19
Sep 20256026111,1551,0034$63.96$2.97
Aug 202559859786741$64.86$2.91
Jul 202560460088741$68.39$3.20
Jun 20257337212,7972,4255$68.17$3.02
May 2025002,0631,7703$62.17$3.12
Apr 2025002,8682,4975$63.54$3.42
Mar 2025004,5993,9316$68.24$4.12
Feb 2025004053531$71.53$4.19
Jan 202500000$75.74$4.13
Dec 202400000$70.12$3.01
Nov 202401000$69.95$2.12
Oct 202454563813221$71.99$2.20
Sep 20242582591,1419804$70.24$2.28
Aug 20244464421,8461,6023$76.68$1.99
Jul 202400000$81.80$2.07
Jun 202400000$79.77$2.54
May 202400000$80.02$2.12
Apr 20242838540$85.35$1.60
Mar 20244654592,1561,85211$81.28$1.49
Feb 20241421451,9081,6158$77.25$1.72
Jan 20243753762,6852,41010$74.15$3.18
Dec 20234804823,1182,56416$71.90$2.52
Nov 20234484492,6722,04110$77.69$2.71
Oct 20235675563,2412,63918$85.64$2.98
Sep 2023793702401$89.43$2.64
Aug 202391961,2866549$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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This lease belongs to

OperatorMarathon Oil Ef LLCFieldSugarkane (Austin Chalk)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

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Sugarkane (Austin Chalk) field

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