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Royalty Clerk

Texas gas well

Producing

MAY UNIT 1

May Unit 1 is a gas well in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Sugarkane (Eagle Ford) field.

Gas well dossier

26,779mcf gas, last 12 months−30% vs prior year
RRC lease
02-294387

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
4,359 bbl
Gas in Jul 2026
2,561 mcf

Production by month

Gas output fell 30% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 30% over the last 12 monthsMonthly gas production and oil for MAY UNIT 1, Aug 2023 to Jul 2026. Gas output fell 30% over the last 12 months. 26,779 mcf in the 12 months through Jul 2026, against 38,449 mcf in the 12 months before.Last 12 months: 26,779 mcfmcf per monthbbl per month001,0002002,0004003,0006004,0008005,0001,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 30% over the last 12 monthsMonthly gas production and oil for MAY UNIT 1, Aug 2023 to Jul 2026. Gas output fell 30% over the last 12 months. 26,779 mcf in the 12 months through Jul 2026, against 38,449 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

71% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
71% of the gas went to a processing plant in the last 12 monthsShare of MAY UNIT 1 gas by disposition code each month, Aug 2023 to Jul 2026. 71% 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
71% of the gas went to a processing plant in the last 12 monthsShare of MAY UNIT 1 gas by disposition code each month, Aug 2023 to Jul 2026. 71% 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)

    71% · 21,986 mcf

  • Lease fuel (1)

    28% · 8,770 mcf

  • Flared (4)

    1.0% · 313 mcf

1.0% of the gas flared in the last 12 months. No month above 3%.

Wells on this lease

No wells are linked to this lease in our data

Production is still reported at lease level.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Enterprise Crude Oil LLCCondensateGathers25Jun 20, 2018
Harvest Midstream CompanyCondensateGathers25Jun 20, 2018
Plains Pipeline L.p.CondensateGathers20Jun 20, 2018
Reynolds Energy Transport LLCCondensateGathers15Jun 20, 2018
Trafigura Trading LLCCondensateGathers15Jun 20, 2018
Marathon Oil Ef LLCGas-well gasBuys100Jun 20, 2018
Marathon Oil Ef LLCGas-well gasGathers100Jun 20, 2018

SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).

742.24 acres on the newest permit

Permits for May Unit 1
API numberWell no.Acreson the permit
42-255-3562910H742.24

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 MAY UNIT 1
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20266115582,5611,71411$80.46$2.89
Jun 202652791,1478044$84.81$3.15
May 20264034022,5721,76217$102.13$2.94
Apr 20264684722,7241,80018$100.32$2.77
Mar 20265425402,6191,82525$91.38$3.04
Feb 20263463251,9061,30536$64.51$3.62
Jan 20261842091,08774724$60.04$7.72
Dec 20255455522,7322,02517$57.97$4.26
Nov 20256966964,9913,74424$60.06$3.79
Oct 20255124694,4403,349118$60.89$3.19
Sep 202500000$63.96$2.97
Aug 2025012000$64.86$2.91
Jul 20251982125233482$68.39$3.20
Jun 20256516833,7672,56317$68.17$3.02
May 20257277093,9212,60720$62.17$3.12
Apr 20257557583,5132,32014$63.54$3.42
Mar 20257036903,4972,39512$68.24$4.12
Feb 20254704671,7881,20221$71.53$4.19
Jan 20254254422,2371,51638$75.74$4.13
Dec 20248058103,8342,59013$70.12$3.01
Nov 20248298293,6522,50119$69.95$2.12
Oct 20248698654,0342,78722$71.99$2.20
Sep 20248638583,7882,5799$70.24$2.28
Aug 20248418503,8952,66913$76.68$1.99
Jul 20248738664,1112,89523$81.80$2.07
Jun 20247917773,5572,50112$79.77$2.54
May 20246586354,1212,88720$80.02$2.12
Apr 202410614220130$85.35$1.60
Mar 20248348093,1642,24813$81.28$1.49
Feb 20243293342,4211,55110$77.25$1.72
Jan 20243733852,6921,91627$74.15$3.18
Dec 20236756583,8913,0559$71.90$2.52
Nov 20233864022,8382,28513$77.69$2.71
Oct 20237247293,8323,0728$85.64$2.98
Sep 20238458453,8773,0597$89.43$2.64
Aug 20239159114,3903,44820$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 Karnes County

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New drilling permits in Karnes County

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