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Royalty Clerk

Texas gas well

Producing

MAY UNIT 1 AC

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

Gas well dossier

11,370mcf gas, last 12 months−49% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Austin Chalk)
RRC lease
02-289340

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
1,151 bbl
Gas in Jul 2026
1,027 mcf

Production by month

Gas output fell 49% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 49% over the last 12 monthsMonthly gas production and oil for MAY UNIT 1 AC, Aug 2023 to Jul 2026. Gas output fell 49% over the last 12 months. 11,370 mcf in the 12 months through Jul 2026, against 22,261 mcf in the 12 months before.Last 12 months: 11,370 mcfmcf per monthbbl per month00500501,0001001,5001502,0002002,500250Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 49% over the last 12 monthsMonthly gas production and oil for MAY UNIT 1 AC, Aug 2023 to Jul 2026. Gas output fell 49% over the last 12 months. 11,370 mcf in the 12 months through Jul 2026, against 22,261 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month00500501,0001001,5001502,0002002,500250Jan 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

Flaring peaked at 4.7% of the gas in Sep 2025.

  • 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 AC 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. Flaring peaked at 4.7% of the gas in Sep 2025.Share of the lease’s gas by disposition code, per month0%50%100%Flared 4.7%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
71% of the gas went to a processing plant in the last 12 monthsShare of MAY UNIT 1 AC 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. Flaring peaked at 4.7% of the gas in Sep 2025.Share of gas by disposition code0%50%100%Flared 4.7%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    71% · 8,110 mcf

  • Lease fuel (1)

    27% · 3,060 mcf

  • Flared (4)

    1.8% · 200 mcf

1.8% of the gas flared in the last 12 months. One 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%FromUntil
Enterprise Crude Oil LLCCondensateGathers25Jul 1, 2022–
Plains Pipeline L.p.CondensateGathers25Jul 1, 2022–
Reynolds Energy Transport LLCCondensateGathers25Jul 1, 2022–
Trafigura Trading LLCCondensateGathers25Jul 1, 2022–
Marathon Oil Ef LLCGas-well gasBuys100Oct 6, 2015–
Marathon Oil Ef LLCGas-well gasGathers100Oct 6, 2015–
Enterprise Crude Oil LLCCondensateGathers1Oct 6, 2015Jul 1, 2022
Gulfmark Energy, Inc.CondensateGathers1Oct 6, 2015Jul 1, 2022
Plains Pipeline L.p.CondensateGathers97Oct 6, 2015Jul 1, 2022
Trafigura Trading LLCCondensateGathers1Oct 6, 2015Jul 1, 2022

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

Who buys my oilOil price check

742.24 acres on the newest permit

Check your decimal on this lease
Permits for May Unit 1 Ac
API numberWell no.Acreson the permit
42-255-3430311H742.24

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 MAY UNIT 1 AC
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20261071021,0276875$80.46$2.89
Jun 20267066127890$84.81$3.15
May 2026182058400$102.13$2.94
Apr 202640412431602$100.32$2.77
Mar 202668726744706$91.38$3.04
Feb 2026888679254215$64.51$3.62
Jan 202610310593764421$60.04$7.72
Dec 20251191198596375$57.97$4.26
Nov 20251351401,6501,2388$60.06$3.79
Oct 20251531501,3491,01736$60.89$3.19
Sep 20251421381,6651,19679$63.96$2.97
Aug 20251081081,9891,39023$64.86$2.91
Jul 202595921,8651,2417$68.39$3.20
Jun 202586931,8271,2438$68.17$3.02
May 20251281211,8971,26110$62.17$3.12
Apr 202557671,5381,0166$63.54$3.42
Mar 20252061981,6211,1115$68.24$4.12
Feb 202583871,5111,01618$71.53$4.19
Jan 20251441462,0631,39835$75.74$4.13
Dec 20241961942,2111,4938$70.12$3.01
Nov 20241591601,8661,27810$69.95$2.12
Oct 20241701711,9331,33511$71.99$2.20
Sep 20242052051,9221,3085$70.24$2.28
Aug 20242292282,0071,3757$76.68$1.99
Jul 20241851812,0751,46112$81.80$2.07
Jun 20241141121,8271,2856$79.77$2.54
May 202485831,7661,2379$80.02$2.12
Apr 202445491,32586613$85.35$1.60
Mar 20241161191,4261,0136$81.28$1.49
Feb 20241891891,4377927$77.25$1.72
Jan 20241491511,13565716$74.15$3.18
Dec 20232282261,6969986$71.90$2.52
Nov 20232132141,7271,04414$77.69$2.71
Oct 20232172152,2691,6486$85.64$2.98
Sep 20231791792,0431,4904$89.43$2.64
Aug 20231891901,6861,09812$81.39$2.58

Flared above 3%

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.

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Nearby

This lease belongs to

OperatorMarathon Oil Ef LLCFieldSugarkane (Austin Chalk)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

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Sugarkane (Austin Chalk) field

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New drilling permits in Karnes County

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