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Royalty Clerk

Texas gas well

Producing

STRIEBER 01

Strieber 01 is a gas well in De Witt County, Texas, operated by Marathon Oil Ef LLC in the De Witt (Eagle Ford Shale) field.

1 well

2,861mcf gas, last 12 months−26% vs prior year
Operator
Marathon Oil Ef LLC
County
De Witt County
Field
De Witt (Eagle Ford Shale)
RRC lease
02-264856

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Where it sits

This county

De Witt CountyDe WittGoliadWilsonLavacaGonzalesKarnesVictoriaGuadalupeDe Witt County
De Witt County
Oil, last 12 months
133 bbl
Gas in Jul 2026
666 mcf

Production by month

Gas output fell 26% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 26% over the last 12 monthsMonthly gas production and oil for STRIEBER 01, Aug 2023 to Jul 2026. Gas output fell 26% over the last 12 months. 2,861 mcf in the 12 months through Jul 2026, against 3,841 mcf in the 12 months before.Last 12 months: 2,861 mcfmcf per monthbbl per month00500501,0001001,5001502,000200Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 26% over the last 12 monthsMonthly gas production and oil for STRIEBER 01, Aug 2023 to Jul 2026. Gas output fell 26% over the last 12 months. 2,861 mcf in the 12 months through Jul 2026, against 3,841 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month00500501,0001001,5001502,000200Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

All of the gas went to a processing plant in the last 12 monthsShare of STRIEBER 01 gas by disposition code each month, Aug 2023 to Jul 2026. All 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
All of the gas went to a processing plant in the last 12 monthsShare of STRIEBER 01 gas by disposition code each month, Aug 2023 to Jul 2026. All 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.

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 STRIEBER 01
API numberWell no.Status
42-123-3240101HActive

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).

Who buys my oilOil price check

628.76 acres on the newest permit

Check your decimal on this lease
Permits for Strieber 01
API numberWell no.Acreson the permit
42-123-3240101H628.76

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 STRIEBER 01
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Marathon Oil22226666660$80.46$2.89
Jun 2026Marathon Oil37377147140$84.81$3.15
May 2026Marathon Oil25253893890$102.13$2.94
Apr 2026Marathon Oil4460600$100.32$2.77
Mar 2026Marathon Oil11111431430$91.38$3.04
Feb 2026Marathon Oil662192190$64.51$3.62
Jan 2026Marathon Oil0084840$60.04$7.72
Dec 2025Marathon Oil1169690$57.97$4.26
Nov 2025Marathon Oil0026260$60.06$3.79
Oct 2025Marathon Oil111481480$60.89$3.19
Sep 2025Marathon Oil12121671670$63.96$2.97
Aug 2025Marathon Oil14141761760$64.86$2.91
Jul 2025Marathon Oil27271831830$68.39$3.20
Jun 2025Marathon Oil10101501500$68.17$3.02
May 2025Marathon Oil28281711710$62.17$3.12
Apr 2025Marathon Oil10102132130$63.54$3.42
Mar 2025Marathon Oil20203293290$68.24$4.12
Feb 2025Marathon Oil14141,5511,5510$71.53$4.19
Jan 2025Marathon Oil19192472470$75.74$4.13
Dec 2024Marathon Oil18182972970$70.12$3.01
Nov 2024Marathon Oil40401251250$69.95$2.12
Oct 2024Marathon Oil9923230$71.99$2.20
Sep 2024Marathon Oil11112632630$70.24$2.28
Aug 2024Marathon Oil882892890$76.68$1.99
Jul 2024Marathon Oil11113023020$81.80$2.07
Jun 2024Marathon Oil13132972970$79.77$2.54
May 2024Marathon Oil003183180$80.02$2.12
Apr 2024Marathon Oil002912910$85.35$1.60
Mar 2024Marathon Oil003423420$81.28$1.49
Feb 2024Marathon Oil30303993990$77.25$1.72
Jan 2024Marathon Oil1481486956950$74.15$3.18
Dec 2023Marathon Oil1401406666660$71.90$2.52
Nov 2023Marathon Oil94947537530$77.69$2.71
Oct 2023Marathon Oil45454084080$85.64$2.98
Sep 2023Marathon Oil38384574570$89.43$2.64
Aug 2023Marathon Oil22225915910$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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This lease belongs to

OperatorMarathon Oil Ef LLCFieldDe Witt (Eagle Ford Shale)CountyDe Witt County

Marathon Oil Ef LLC in De Witt County

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