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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.

1 well

53,682mcf gas, last 12 months−13% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Austin Chalk)
RRC lease
02-284431

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
9,535 bbl
Gas in Jul 2026
247 mcf

Production by month

Gas output fell 13% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 13% over the last 12 monthsMonthly gas production and oil for MAY UNIT 1 AC, Aug 2023 to Jul 2026. Gas output fell 13% over the last 12 months. 53,682 mcf in the 12 months through Jul 2026, against 61,568 mcf in the 12 months before.Last 12 months: 53,682 mcfmcf per monthbbl per month005,0001,00010k2,00015k3,00020k4,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 13% over the last 12 monthsMonthly gas production and oil for MAY UNIT 1 AC, Aug 2023 to Jul 2026. Gas output fell 13% over the last 12 months. 53,682 mcf in the 12 months through Jul 2026, against 61,568 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month005,0001,00010k2,00015k3,00020k4,000Jan 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

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% · 37,853 mcf

  • Lease fuel (1)

    28% · 15,025 mcf

  • Flared (4)

    1.5% · 804 mcf

1.5% of the gas flared in the last 12 months. One month above 3%.

1 well on this lease

Wells on MAY UNIT 1 AC
API numberWell no.Status
42-255-356304HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Plains Pipeline L.p.CondensateGathers80Nov 8, 2017
Harvest Midstream CompanyCondensateGathers5Oct 1, 2018
Marathon Oil Ef LLCCondensateGathers5Nov 8, 2017
Statewide Crude Inc.CondensateGathers5Nov 8, 2017
Trafigura Trading LLCCondensateGathers5Nov 8, 2017
Marathon Oil Ef LLCGas-well gasBuys100Nov 8, 2017
Marathon Oil Ef LLCGas-well gasGathers100Nov 8, 2017

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
42-255-356304H742.24

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 20261051542471651$80.46$2.89
Jun 20267887895,1863,63318$84.81$3.15
May 20267917995,3193,64535$102.13$2.94
Apr 20261,0521,0496,0824,01840$100.32$2.77
Mar 20261,0451,0295,6533,94054$91.38$3.04
Feb 20265345213,0522,09057$64.51$3.62
Jan 20265896063,5992,47380$60.04$7.72
Dec 20258068073,4492,55622$57.97$4.26
Nov 20258668844,2853,21421$60.06$3.79
Oct 20258608554,6473,504124$60.89$3.19
Sep 20259589585,9054,243279$63.96$2.97
Aug 20251,1411,1016,2584,37273$64.86$2.91
Jul 20254564452,7171,80810$68.39$3.20
Jun 202538843177530$68.17$3.02
May 20257377116,3564,22533$62.17$3.12
Apr 20256246365,1423,39620$63.54$3.42
Mar 20257397395,9824,09720$68.24$4.12
Feb 20257057081,09373513$71.53$4.19
Jan 20257407114,8223,26882$75.74$4.13
Dec 20243573537,2044,86625$70.12$3.01
Nov 20242542625,5533,80428$69.95$2.12
Oct 20244054317,3455,07440$71.99$2.20
Sep 20249359468,1635,55720$70.24$2.28
Aug 20241,2401,2447,1144,87524$76.68$1.99
Jul 20241,1471,1587,9155,57444$81.80$2.07
Jun 20241,4291,4207,2965,13025$79.77$2.54
May 20241,5521,5618,3725,86640$80.02$2.12
Apr 20241,4521,4508,1035,29282$85.35$1.60
Mar 20241,4821,5058,2855,88635$81.28$1.49
Feb 20241,9831,9937,3056,22915$77.25$1.72
Jan 20241,8431,7776,9875,71146$74.15$3.18
Dec 20238248414,8183,89110$71.90$2.52
Nov 20231,3541,3657,9546,68532$77.69$2.71
Oct 20231,5461,55811,47810,00917$85.64$2.98
Sep 20231,8431,87513,88212,40715$89.43$2.64
Aug 20232,7772,67310,6979,36529$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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