Skip to content
Royalty Clerk

Texas gas well

Producing

WARNER 01

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

1 well

5,274mcf gas, last 12 months−50% vs prior year
RRC lease
02-278194

Is your check right?

Check my statement

Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
1,377 bbl
Gas in Jul 2026
708 mcf

Production by month

Gas output fell 50% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 50% over the last 12 monthsMonthly gas production and oil for WARNER 01, Aug 2023 to Jul 2026. Gas output fell 50% over the last 12 months. 5,274 mcf in the 12 months through Jul 2026, against 10,654 mcf in the 12 months before.Last 12 months: 5,274 mcfmcf per monthbbl per month001,0001002,0002003,0003004,000400Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 50% over the last 12 monthsMonthly gas production and oil for WARNER 01, Aug 2023 to Jul 2026. Gas output fell 50% over the last 12 months. 5,274 mcf in the 12 months through Jul 2026, against 10,654 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month001,0001002,0002003,0003004,000400Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

85% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
85% of the gas went to a processing plant in the last 12 monthsShare of WARNER 01 gas by disposition code each month, Aug 2023 to Jul 2026. 85% 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
85% of the gas went to a processing plant in the last 12 monthsShare of WARNER 01 gas by disposition code each month, Aug 2023 to Jul 2026. 85% 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)

    85% · 4,479 mcf

  • Lease fuel (1)

    15% · 795 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 WARNER 01
API numberWell no.Status
42-255-3372409HActive

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).

702.26 acres on the newest permit

Permits for Warner 01
API numberWell no.Acreson the permit
42-255-3372409H702.26

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 WARNER 01
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Marathon Oil2242247086880$80.46$2.89
Jun 2026Marathon Oil75752572360$84.81$3.15
May 2026Marathon Oil393917160$102.13$2.94
Apr 2026Marathon Oil71717516000$100.32$2.77
Mar 2026Marathon Oil47477646190$91.38$3.04
Feb 2026Marathon Oil1871879797540$64.51$3.62
Jan 2026Marathon Oil2525980$60.04$7.72
Dec 2025Marathon Oil12712753440$57.97$4.26
Nov 2025Marathon Oil19192942610$60.06$3.79
Oct 2025Marathon Oil13113169600$60.89$3.19
Sep 2025Marathon Oil2262268257230$63.96$2.97
Aug 2025Marathon Oil2062065484700$64.86$2.91
Jul 2025Marathon Oil82823012650$68.39$3.20
Jun 2025Marathon Oil2162168987930$68.17$3.02
May 2025Marathon Oil2502509007820$62.17$3.12
Apr 2025Marathon Oil2182188027250$63.54$3.42
Mar 2025Marathon Oil1381389939120$68.24$4.12
Feb 2025Marathon Oil1331331,6271,4980$71.53$4.19
Jan 2025Marathon Oil37373323020$75.74$4.13
Dec 2024Marathon Oil59594474150$70.12$3.01
Nov 2024Marathon Oil2722729018430$69.95$2.12
Oct 2024Marathon Oil2902901,1461,0840$71.99$2.20
Sep 2024Marathon Oil2782781,1161,0580$70.24$2.28
Aug 2024Marathon Oil2812811,1911,1400$76.68$1.99
Jul 2024Marathon Oil2902901,3501,2960$81.80$2.07
Jun 2024Marathon Oil2782781,2771,2280$79.77$2.54
May 2024Marathon Oil2932931,4041,3070$80.02$2.12
Apr 2024Marathon Oil3073071,3631,1890$85.35$1.60
Mar 2024Marathon Oil3633631,0208840$81.28$1.49
Feb 2024Marathon Oil3763761,3491,1890$77.25$1.72
Jan 2024Marathon Oil3543541,1681,0150$74.15$3.18
Dec 2023Marathon Oil3783781,0018790$71.90$2.52
Nov 2023Marathon Oil3523528667530$77.69$2.71
Oct 2023Marathon Oil3543542,5012,1900$85.64$2.98
Sep 2023Marathon Oil3683681,1409880$89.43$2.64
Aug 2023Marathon Oil3213211,1981,0540$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

Marathon Oil Ef LLC in Karnes County

All Marathon Oil Ef LLC leases →

Leases within 10 km

Drilling permits within 10 km