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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

2,058mcf gas, last 12 months−97% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Eagle Ford)
RRC lease
02-294679

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
996 bbl
Gas in Jul 2026
51 mcf

Checks stopped on this lease?

  • Sales

    Sales over the last 3 months fell to 7% of the 9 months before.

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

See why checks stop on this lease

Production by month

Gas output fell 97% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 97% over the last 12 monthsMonthly gas production and oil for KOWALIK 228-1R, Aug 2023 to Jul 2026. Gas output fell 97% over the last 12 months. 2,058 mcf in the 12 months through Jul 2026, against 65,301 mcf in the 12 months before.Last 12 months: 2,058 mcfmcf per monthbbl per month005,0001,00010k2,00015k3,00020k4,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 97% over the last 12 monthsMonthly gas production and oil for KOWALIK 228-1R, Aug 2023 to Jul 2026. Gas output fell 97% over the last 12 months. 2,058 mcf in the 12 months through Jul 2026, against 65,301 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month005,0001,00010k2,00015k3,00020k4,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

81% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
81% of the gas went to a processing plant in the last 12 monthsShare of KOWALIK 228-1R gas by disposition code each month, Aug 2023 to Jul 2026. 81% of the gas went to a processing plant in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
81% of the gas went to a processing plant in the last 12 monthsShare of KOWALIK 228-1R gas by disposition code each month, Aug 2023 to Jul 2026. 81% of the gas went to a processing plant in the last 12 months.Share of gas by disposition code0%50%100%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    81% · 19,511 mcf

  • Lease fuel (1)

    18% · 4,441 mcf

  • Flared (4)

    0.4% · 97 mcf

0.4% of the gas flared in the last 12 months. No 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 LLCCondensateGathers25Oct 22, 2018
Plains Pipeline L.p.CondensateGathers25Oct 22, 2018
Reynolds Energy Transport LLCCondensateGathers25Oct 22, 2018
Trafigura Trading LLCCondensateGathers25Oct 22, 2018
Marathon Oil Ef LLCGas-well gasBuys100Oct 22, 2018
Marathon Oil Ef LLCGas-well gasGathers100Oct 22, 2018

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

Who buys my oilOil price check

623.40 acres on the newest permit

Check your decimal on this lease
Permits for Kowalik 228-1R
API numberWell no.Acreson the permit
42-255-3551011H623.40

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 2026696751390$80.46$2.89
Jun 202600000$84.81$3.15
May 202600000$102.13$2.94
Apr 202600000$100.32$2.77
Mar 202600000$91.38$3.04
Feb 202606000$64.51$3.62
Jan 202620721424200$60.04$7.72
Dec 202544743651420$57.97$4.26
Nov 202572711,7701,4496$60.06$3.79
Oct 2025444489730$60.89$3.19
Sep 2025343636291$63.96$2.97
Aug 202512314737301$64.86$2.91
Jul 20251,0181,0283,4302,72836$68.39$3.20
Jun 20251,3481,3544,4123,49921$68.17$3.02
May 20251,8281,8087,0005,64616$62.17$3.12
Apr 20259839922,2781,8717$63.54$3.42
Mar 20251,4581,4514,8714,0859$68.24$4.12
Feb 20251,0731,0783,2462,67645$71.53$4.19
Jan 20251,5591,5595,3034,46033$75.74$4.13
Dec 20241,6031,60915,71813,37428$70.12$3.01
Nov 20241,9501,9487,0355,95912$69.95$2.12
Oct 20242,0862,0757,2996,23819$71.99$2.20
Sep 20241,4021,3804,6904,05110$70.24$2.28
Aug 2024757719160$76.68$1.99
Jul 20242042101851591$81.80$2.07
Jun 20247507493172770$79.77$2.54
May 20246766742071821$80.02$2.12
Apr 202445245354471$85.35$1.60
Mar 20247577811991741$81.28$1.49
Feb 20242,4422,4639,7488,66538$77.25$1.72
Jan 20243,0302,99512,33811,035102$74.15$3.18
Dec 20231,0071,0154,3973,59438$71.90$2.52
Nov 20231,8631,86010,7579,62514$77.69$2.71
Oct 20232,1812,18413,31812,01148$85.64$2.98
Sep 20232,4552,44816,49015,04811$89.43$2.64
Aug 20231,9461,98813,06911,79532$81.39$2.58

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.