Skip to content
Royalty Clerk

Texas gas well

Producing

BRUNS 01

Bruns 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

20,797mcf gas, last 12 months−41% vs prior year
RRC lease
02-274457

Is your check right?

Check my statement

Where it sits

This county

De Witt CountyDe WittGoliadWilsonLavacaGonzalesKarnesVictoriaGuadalupeDe Witt County
De Witt County
Oil, last 12 months
3,614 bbl
Gas in Jul 2026
42 mcf

Production by month

Gas output fell 41% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 41% over the last 12 monthsMonthly gas production and oil for BRUNS 01, Aug 2023 to Jul 2026. Gas output fell 41% over the last 12 months. 20,797 mcf in the 12 months through Jul 2026, against 35,373 mcf in the 12 months before.Last 12 months: 20,797 mcfmcf per monthbbl per month001,0002002,0004003,0006004,0008005,0001,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 41% over the last 12 monthsMonthly gas production and oil for BRUNS 01, Aug 2023 to Jul 2026. Gas output fell 41% over the last 12 months. 20,797 mcf in the 12 months through Jul 2026, against 35,373 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month001,0002002,0004003,0006004,0008005,0001,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

93% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
93% of the gas went to a processing plant in the last 12 monthsShare of BRUNS 01 gas by disposition code each month, Aug 2023 to Jul 2026. 93% 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
93% of the gas went to a processing plant in the last 12 monthsShare of BRUNS 01 gas by disposition code each month, Aug 2023 to Jul 2026. 93% 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)

    93% · 22,772 mcf

  • Lease fuel (1)

    6.7% · 1,645 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 BRUNS 01
API numberWell no.Status
42-123-3318105HActive

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).

620.80 acres on the newest permit

Permits for Bruns 01
API numberWell no.Acreson the permit
42-123-3318105H620.80

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 BRUNS 01
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Marathon Oil10710742410$80.46$2.89
Jun 2026Marathon Oil2982981,1231,1070$84.81$3.15
May 2026Marathon Oil5925922,5812,5720$102.13$2.94
Apr 2026Marathon Oil3093092,7812,6680$100.32$2.77
Mar 2026Marathon Oil2692697707360$91.38$3.04
Feb 2026Marathon Oil00000$64.51$3.62
Jan 2026Marathon Oil3093092,5712,3680$60.04$7.72
Dec 2025Marathon Oil20203,2242,8630$57.97$4.26
Nov 2025Marathon Oil3643645574960$60.06$3.79
Oct 2025Marathon Oil1411416636010$60.89$3.19
Sep 2025Marathon Oil5685683,1972,9190$63.96$2.97
Aug 2025Marathon Oil6376373,2883,0290$64.86$2.91
Jul 2025Marathon Oil6656653,6203,3720$68.39$3.20
Jun 2025Marathon Oil8668663,7433,4180$68.17$3.02
May 2025Marathon Oil1251257497030$62.17$3.12
Apr 2025Marathon Oil6866863,7193,4830$63.54$3.42
Mar 2025Marathon Oil5205202,8602,6810$68.24$4.12
Feb 2025Marathon Oil3933932,1482,0590$71.53$4.19
Jan 2025Marathon Oil5145143,1883,0430$75.74$4.13
Dec 2024Marathon Oil7157154,0153,8720$70.12$3.01
Nov 2024Marathon Oil8118114,5154,3550$69.95$2.12
Oct 2024Marathon Oil6766763,9033,7170$71.99$2.20
Sep 2024Marathon Oil3763762001890$70.24$2.28
Aug 2024Marathon Oil5815812,7132,5850$76.68$1.99
Jul 2024Marathon Oil7217214,4414,2600$81.80$2.07
Jun 2024Marathon Oil2232231,5581,4520$79.77$2.54
May 2024Marathon Oil4664661,1581,0870$80.02$2.12
Apr 2024Marathon Oil4254251,3451,2710$85.35$1.60
Mar 2024Marathon Oil4604601,3951,3120$81.28$1.49
Feb 2024Marathon Oil1941941,3021,2250$77.25$1.72
Jan 2024Marathon Oil00000$74.15$3.18
Dec 2023Marathon Oil00000$71.90$2.52
Nov 2023Marathon Oil1451454954440$77.69$2.71
Oct 2023Marathon Oil7087081,7531,5610$85.64$2.98
Sep 2023Marathon Oil6826821,6771,4730$89.43$2.64
Aug 2023Marathon Oil6996991,7311,5220$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 De Witt County

All Marathon Oil Ef LLC leases →

De Witt (Eagle Ford Shale) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km