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Royalty Clerk

Texas gas well

Producing

LISKA 01

Liska 01 is a gas well in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Sugarkane (Eagle Ford) field.

1 well

31,425mcf gas, last 12 months−7% vs prior year
RRC lease
02-280782

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
4,045 bbl
Gas in Jul 2026
2,581 mcf

Production by month

Gas output fell 7% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 7% over the last 12 monthsMonthly gas production and oil for LISKA 01, Aug 2023 to Jul 2026. Gas output fell 7% over the last 12 months. 31,425 mcf in the 12 months through Jul 2026, against 33,745 mcf in the 12 months before.Last 12 months: 31,425 mcfmcf per monthbbl per month002,0002004,0004006,0006008,000800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 7% over the last 12 monthsMonthly gas production and oil for LISKA 01, Aug 2023 to Jul 2026. Gas output fell 7% over the last 12 months. 31,425 mcf in the 12 months through Jul 2026, against 33,745 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month002,0002004,0004006,0006008,000800Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

98% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
98% of the gas went to a processing plant in the last 12 monthsShare of LISKA 01 gas by disposition code each month, Aug 2023 to Jul 2026. 98% 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
98% of the gas went to a processing plant in the last 12 monthsShare of LISKA 01 gas by disposition code each month, Aug 2023 to Jul 2026. 98% 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)

    98% · 30,699 mcf

  • Lease fuel (1)

    2.3% · 726 mcf

Who has run this lease

The operator changed once, most recently in Mar 2023

Operators of this lease over timeEnsign Operating LLC, Jan 2020 to Feb 2023; Marathon Oil Ef LLC, Mar 2023 to Jul 20262020202120222023202420252026Changed Mar 2023Ensign Operating LLCJan 2020 to Feb 2023Marathon Oil Ef LLCMar 2023 to now
Operators of this lease over timeEnsign Operating LLC, Jan 2020 to Feb 2023; Marathon Oil Ef LLC, Mar 2023 to Jul 20262020202120222023202420252026Changed Mar 2023Ensign Operating LLCJan 2020 to Feb 2023Marathon Oil Ef LLCMar 2023 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on LISKA 01
API numberWell no.Status
42-255-3362316HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCCondensateGathers50Mar 1, 2023–
Enterprise Crude Pipeline LLCCondensateGathers50Mar 1, 2023–
Marathon Oil Ef LLCGas-well gasBuys100Mar 1, 2023–
Marathon Oil Ef LLCGas-well gasGathers100Mar 1, 2023–
Gulfmark Energy, Inc.CondensateGathers100Oct 2, 2019Mar 1, 2023
Ensign Operating LLCGas-well gasGathers100Oct 2, 2019Mar 1, 2023
Ensign Operating LLCGas-well gasBuys100Oct 2, 2019Mar 1, 2023
Ensign Operating LLCCondensateGathers50Oct 1, 2019Oct 2, 2019
Enterprise Crude Oil LLCCondensateGathers25Oct 1, 2019Oct 2, 2019
Enterprise Crude Pipeline LLCCondensateGathers25Oct 1, 2019Oct 2, 2019

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

838.80 acres on the newest permit

Permits for Liska 01
API numberWell no.Acreson the permit
42-255-3362316H838.80

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 LISKA 01
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Marathon Oil3463462,5812,5080$80.46$2.89
Jun 2026Marathon Oil3923923,0712,9740$84.81$3.15
May 2026Marathon Oil2802802,1902,1900$102.13$2.94
Apr 2026Marathon Oil2822822,6432,5650$100.32$2.77
Mar 2026Marathon Oil3853852,5552,4810$91.38$3.04
Feb 2026Marathon Oil4274274,2574,1430$64.51$3.62
Jan 2026Marathon Oil2092097116950$60.04$7.72
Dec 2025Marathon Oil2812812,8002,7340$57.97$4.26
Nov 2025Marathon Oil3493492,2962,2480$60.06$3.79
Oct 2025Marathon Oil5325322,5792,5250$60.89$3.19
Sep 2025Marathon Oil3203202,6922,6380$63.96$2.97
Aug 2025Marathon Oil2422423,0502,9980$64.86$2.91
Jul 2025Marathon Oil2152153,6113,4700$68.39$3.20
Jun 2025Marathon Oil1461462,2892,2020$68.17$3.02
May 2025Marathon Oil1801802,8112,7250$62.17$3.12
Apr 2025Marathon Oil1791792,1712,1120$63.54$3.42
Mar 2025Marathon Oil3233234,0883,9870$68.24$4.12
Feb 2025Marathon Oil2182183,1163,0480$71.53$4.19
Jan 2025Marathon Oil2932933,6193,5280$75.74$4.13
Dec 2024Marathon Oil2832832,9852,9110$70.12$3.01
Nov 2024Marathon Oil2672672,7352,6800$69.95$2.12
Oct 2024Marathon Oil2372373,4363,2630$71.99$2.20
Sep 2024Marathon Oil1761762,5742,4090$70.24$2.28
Aug 2024Marathon Oil333102630$76.68$1.99
Jul 2024Marathon Oil1331332,0791,7130$81.80$2.07
Jun 2024Marathon Oil505038330$79.77$2.54
May 2024Marathon Oil2672671,9941,6320$80.02$2.12
Apr 2024Marathon Oil3043042,5872,1370$85.35$1.60
Mar 2024Marathon Oil2832832,3131,9400$81.28$1.49
Feb 2024Marathon Oil3593593,9383,3070$77.25$1.72
Jan 2024Marathon Oil1451451,3211,1960$74.15$3.18
Dec 2023Marathon Oil2562562,3221,9400$71.90$2.52
Nov 2023Marathon Oil1911911,4891,2800$77.69$2.71
Oct 2023Marathon Oil4224224,2983,5630$85.64$2.98
Sep 2023Marathon Oil4224225,2814,5260$89.43$2.64
Aug 2023Marathon Oil1321326405620$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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Marathon Oil Ef LLC in Karnes County

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