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Royalty Clerk

Texas gas well

Producing

KNOX MILLER 01

Knox Miller 01 is a gas well in Live Oak County, Texas, operated by Marathon Oil Ef LLC in the Sugarkane (Eagle Ford) field.

1 well

31,165mcf gas, last 12 months−12% vs prior year
RRC lease
02-265495

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Where it sits

This county

Live Oak CountyLive OakAtascosaGoliadMcMullenKarnesSan PatricioBeeLive Oak County
Live Oak County
Oil, last 12 months
3,214 bbl
Gas in Jul 2026
3,188 mcf

Production by month

Gas output fell 12% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 12% over the last 12 monthsMonthly gas production and oil for KNOX MILLER 01, Aug 2023 to Jul 2026. Gas output fell 12% over the last 12 months. 31,165 mcf in the 12 months through Jul 2026, against 35,453 mcf in the 12 months before.Last 12 months: 31,165 mcfmcf per monthbbl per month001,0002002,0004003,0006004,0008005,0001,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 12% over the last 12 monthsMonthly gas production and oil for KNOX MILLER 01, Aug 2023 to Jul 2026. Gas output fell 12% over the last 12 months. 31,165 mcf in the 12 months through Jul 2026, against 35,453 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

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 KNOX MILLER 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 KNOX MILLER 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 KNOX MILLER 01
API numberWell no.Status
42-297-3508301HActive

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).

500.45 acres on the newest permit

Permits for Knox Miller 01
API numberWell no.Acreson the permit
42-297-3508301H500.45

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 KNOX MILLER 01
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Marathon Oil9069063,1883,1880$80.46$2.89
Jun 2026Marathon Oil7797793,4453,4450$84.81$3.15
May 2026Marathon Oil4594593,3983,3980$102.13$2.94
Apr 2026Marathon Oil3623623,7983,7980$100.32$2.77
Mar 2026Marathon Oil1301302,0192,0190$91.38$3.04
Feb 2026Marathon Oil86861,8251,8250$64.51$3.62
Jan 2026Marathon Oil58583,6733,6730$60.04$7.72
Dec 2025Marathon Oil79791,6701,6700$57.97$4.26
Nov 2025Marathon Oil00000$60.06$3.79
Oct 2025Marathon Oil1201202,6932,6930$60.89$3.19
Sep 2025Marathon Oil1271272,9062,9060$63.96$2.97
Aug 2025Marathon Oil1081082,5502,5500$64.86$2.91
Jul 2025Marathon Oil1241242,7812,7810$68.39$3.20
Jun 2025Marathon Oil1421422,9072,9070$68.17$3.02
May 2025Marathon Oil1501503,0103,0100$62.17$3.12
Apr 2025Marathon Oil1571573,1203,1200$63.54$3.42
Mar 2025Marathon Oil1631633,3243,3240$68.24$4.12
Feb 2025Marathon Oil1881883,5843,5840$71.53$4.19
Jan 2025Marathon Oil1281282,5402,5400$75.74$4.13
Dec 2024Marathon Oil1491492,8262,8260$70.12$3.01
Nov 2024Marathon Oil1371372,8462,8460$69.95$2.12
Oct 2024Marathon Oil1381382,8422,8420$71.99$2.20
Sep 2024Marathon Oil1251252,8462,8460$70.24$2.28
Aug 2024Marathon Oil1501502,8272,8270$76.68$1.99
Jul 2024Marathon Oil1751752,7552,7550$81.80$2.07
Jun 2024Marathon Oil2082082,7952,7950$79.77$2.54
May 2024Marathon Oil1961962,7992,7990$80.02$2.12
Apr 2024Marathon Oil1111111,9841,9840$85.35$1.60
Mar 2024Marathon Oil2212213,6723,6720$81.28$1.49
Feb 2024Marathon Oil2882884,1844,1840$77.25$1.72
Jan 2024Marathon Oil1071071,9861,9860$74.15$3.18
Dec 2023Marathon Oil2112112,8172,8170$71.90$2.52
Nov 2023Marathon Oil773333330$77.69$2.71
Oct 2023Marathon Oil1061061,8731,8730$85.64$2.98
Sep 2023Marathon Oil2512511,6081,6080$89.43$2.64
Aug 2023Marathon Oil1291292,1062,1060$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 Live Oak County

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