Skip to content
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

31,024mcf gas, last 12 months+8% vs prior year
RRC lease
02-280597

Is your check right?

Check my statement

Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
4,549 bbl
Gas in Jul 2026
2,838 mcf

Production by month

Gas output rose 8% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output rose 8% over the last 12 monthsMonthly gas production and oil for LISKA 01, Aug 2023 to Jul 2026. Gas output rose 8% over the last 12 months. 31,024 mcf in the 12 months through Jul 2026, against 28,656 mcf in the 12 months before.Last 12 months: 31,024 mcfmcf per monthbbl per month005,00020010k40015k60020k800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output rose 8% over the last 12 monthsMonthly gas production and oil for LISKA 01, Aug 2023 to Jul 2026. Gas output rose 8% over the last 12 months. 31,024 mcf in the 12 months through Jul 2026, against 28,656 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month005,00020010k40015k60020k800Jan 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% · 30,313 mcf

  • Lease fuel (1)

    2.3% · 711 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
42-255-3464618HActive

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
42-255-3464618H838.80

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 Oil4114112,8382,7570$80.46$2.89
Jun 2026Marathon Oil3093092,5172,4370$84.81$3.15
May 2026Marathon Oil5095093,1383,1380$102.13$2.94
Apr 2026Marathon Oil4864863,3923,2920$100.32$2.77
Mar 2026Marathon Oil3623622,3252,2570$91.38$3.04
Feb 2026Marathon Oil4284283,3893,2980$64.51$3.62
Jan 2026Marathon Oil4474473,1813,1070$60.04$7.72
Dec 2025Marathon Oil5425424,2554,1540$57.97$4.26
Nov 2025Marathon Oil1411417427260$60.06$3.79
Oct 2025Marathon Oil3123121,6411,6070$60.89$3.19
Sep 2025Marathon Oil2912911,6631,6300$63.96$2.97
Aug 2025Marathon Oil3113111,9431,9100$64.86$2.91
Jul 2025Marathon Oil2442442,3882,2950$68.39$3.20
Jun 2025Marathon Oil2252252,0781,9990$68.17$3.02
May 2025Marathon Oil1871872,2362,1670$62.17$3.12
Apr 2025Marathon Oil2162161,9491,8960$63.54$3.42
Mar 2025Marathon Oil2922923,1663,0880$68.24$4.12
Feb 2025Marathon Oil1261261,4181,3870$71.53$4.19
Jan 2025Marathon Oil1981982,6312,5650$75.74$4.13
Dec 2024Marathon Oil1621621,7911,7470$70.12$3.01
Nov 2024Marathon Oil3403404,1854,1010$69.95$2.12
Oct 2024Marathon Oil2552552,4362,3140$71.99$2.20
Sep 2024Marathon Oil2102102,2652,1200$70.24$2.28
Aug 2024Marathon Oil1071072,1131,7920$76.68$1.99
Jul 2024Marathon Oil1501502,3871,9670$81.80$2.07
Jun 2024Marathon Oil2952952,7502,3490$79.77$2.54
May 2024Marathon Oil1651651,4101,1530$80.02$2.12
Apr 2024Marathon Oil2692693,0382,5090$85.35$1.60
Mar 2024Marathon Oil3943943,7233,1120$81.28$1.49
Feb 2024Marathon Oil909050500$77.25$1.72
Jan 2024Marathon Oil2542541,6391,4870$74.15$3.18
Dec 2023Marathon Oil2932932,3461,9600$71.90$2.52
Nov 2023Marathon Oil3043042,9062,4920$77.69$2.71
Oct 2023Marathon Oil3053053,4642,8680$85.64$2.98
Sep 2023Marathon Oil1611613,4132,9200$89.43$2.64
Aug 2023Marathon Oil35035015,06413,1330$81.39$2.58

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

How to check your stub against this lease Checks stopped on this lease? See the likely reasons

Do your checks match this lease?

Nearby

Leases within 10 km

Drilling permits within 10 km