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Royalty Clerk

Texas gas well

Producing

MAY B UNIT AC

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

1 well

487mcf gas, last 12 months−97% vs prior year
RRC lease
02-283516

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas in Jul 2026
431 mcf
Reporting since
Jan 2020

Production by month

Gas output fell 97% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 97% over the last 12 monthsMonthly gas production and oil for MAY B UNIT AC, Aug 2023 to Jul 2026. Gas output fell 97% over the last 12 months. 487 mcf in the 12 months through Jul 2026, against 17,172 mcf in the 12 months before.Last 12 months: 487 mcfmcf per monthbbl per month005,00020010k40015k60020k80025k1,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 97% over the last 12 monthsMonthly gas production and oil for MAY B UNIT AC, Aug 2023 to Jul 2026. Gas output fell 97% over the last 12 months. 487 mcf in the 12 months through Jul 2026, against 17,172 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month005,00020010k40015k60020k80025k1,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

83% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
83% of the gas went to a processing plant in the last 12 monthsShare of MAY B UNIT AC gas by disposition code each month, Aug 2023 to Jul 2026. 83% 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
83% of the gas went to a processing plant in the last 12 monthsShare of MAY B UNIT AC gas by disposition code each month, Aug 2023 to Jul 2026. 83% 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)

    83% · 11,038 mcf

  • Lease fuel (1)

    17% · 2,264 mcf

  • Flared (4)

    0.5% · 67 mcf

0.5% of the gas flared in the last 12 months. No month above 3%.

1 well on this lease

Wells on MAY B UNIT AC
API numberWell no.Status
42-255-3513624HShut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Plains Pipeline L.p.CondensateGathers85May 15, 2017
Marathon Oil Ef LLCCondensateGathers5May 15, 2017
Statewide Crude Inc.CondensateGathers5May 15, 2017
Trafigura Trading LLCCondensateGathers5May 15, 2017
Marathon Oil Ef LLCGas-well gasBuys100May 15, 2017
Marathon Oil Ef LLCGas-well gasGathers100May 15, 2017

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

1,179.55 acres on the newest permit

Permits for May B Unit Ac
API numberWell no.Acreson the permit
42-255-3513624H1,179.55

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 B UNIT AC
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026004313672$80.46$2.89
Jun 202600000$84.81$3.15
May 202600000$102.13$2.94
Apr 202600000$100.32$2.77
Mar 202600000$91.38$3.04
Feb 202600000$64.51$3.62
Jan 20260056480$60.04$7.72
Dec 202500000$57.97$4.26
Nov 202500000$60.06$3.79
Oct 202500000$60.89$3.19
Sep 202500000$63.96$2.97
Aug 202500000$64.86$2.91
Jul 2025010000$68.39$3.20
Jun 202535735068590$68.17$3.02
May 202516816633280$62.17$3.12
Apr 2025626212100$63.54$3.42
Mar 2025676812110$68.24$4.12
Feb 2025818515130$71.53$4.19
Jan 20251541581,8761,49510$75.74$4.13
Dec 20243173154,9324,06122$70.12$3.01
Nov 20242252232,9122,42418$69.95$2.12
Oct 20242112072,7922,33114$71.99$2.20
Sep 202480892301911$70.24$2.28
Aug 20243373434,2903,59520$76.68$1.99
Jul 20245145068,2616,96832$81.80$2.07
Jun 20242102174,1253,50220$79.77$2.54
May 20244804689,4067,92149$80.02$2.12
Apr 2024991051,6121,42711$85.35$1.60
Mar 20242262373,9983,36316$81.28$1.49
Feb 202443443211,68710,70925$77.25$1.72
Jan 202436936824,22322,47198$74.15$3.18
Dec 202341242021,87719,982242$71.90$2.52
Nov 202357056712,22011,13573$77.69$2.71
Oct 20234924759,7489,00423$85.64$2.98
Sep 20231201272,5732,3614$89.43$2.64
Aug 20232983119,2248,62818$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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