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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

9,802mcf gas, last 12 months−53% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Austin Chalk)
RRC lease
02-279244

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
3,464 bbl
Gas in Jul 2026
2,451 mcf

Production by month

Gas output fell 53% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 53% over the last 12 monthsMonthly gas production and oil for MAY B UNIT AC, Aug 2023 to Jul 2026. Gas output fell 53% over the last 12 months. 9,802 mcf in the 12 months through Jul 2026, against 21,061 mcf in the 12 months before.Last 12 months: 9,802 mcfmcf per monthbbl per month001,0002002,0004003,0006004,0008005,0001,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 53% over the last 12 monthsMonthly gas production and oil for MAY B UNIT AC, Aug 2023 to Jul 2026. Gas output fell 53% over the last 12 months. 9,802 mcf in the 12 months through Jul 2026, against 21,061 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

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% · 8,172 mcf

  • Lease fuel (1)

    16% · 1,596 mcf

  • Flared (4)

    0.3% · 34 mcf

0.3% 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
42-255-340121HActive

SourceTexas Railroad Commission Wellbore Query.

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 gasBuys100Jan 20, 2015–
Marathon Oil Ef LLCGas-well gasGathers100Jan 20, 2015–
Enterprise Crude Oil LLCCondensateGathers5Sep 6, 2018Jul 1, 2022
Gulfmark Energy, Inc.CondensateGathers10Jan 20, 2015Jul 1, 2022
Plains Pipeline L.p.CondensateGathers80Sep 6, 2018Jul 1, 2022
Trafigura Trading LLCCondensateGathers5Sep 6, 2018Jul 1, 2022

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

Who buys my oilOil price check

1,179.55 acres on the newest permit

Check your decimal on this lease
Permits for May B Unit Ac
API numberWell no.Acreson the permit
42-255-340121H1,179.55

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 B UNIT AC
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20264544742,4512,0246$80.46$2.89
Jun 20266786532,5142,0627$84.81$3.15
May 20263253126195094$102.13$2.94
Apr 20262302283613031$100.32$2.77
Mar 20262252713382782$91.38$3.04
Feb 20266936496445362$64.51$3.62
Jan 20262682691,0018456$60.04$7.72
Dec 20253493341,1639944$57.97$4.26
Nov 2025646359510$60.06$3.79
Oct 20253842440$60.89$3.19
Sep 20251381316055282$63.96$2.97
Aug 20252243380$64.86$2.91
Jul 202503000$68.39$3.20
Jun 20252032111,2701,1012$68.17$3.02
May 20256806822,7342,3464$62.17$3.12
Apr 20258258133,1892,7766$63.54$3.42
Mar 202560593953371$68.24$4.12
Feb 202512161090$71.53$4.19
Jan 20252882911,2211,0864$75.74$4.13
Dec 20245875862,8282,4315$70.12$3.01
Nov 20246096102,8932,4668$69.95$2.12
Oct 20245115082,7722,3446$71.99$2.20
Sep 20244344332,7372,3529$70.24$2.28
Aug 20243833831,0128791$76.68$1.99
Jul 20244924933,7993,2467$81.80$2.07
Jun 20242972961,0578902$79.77$2.54
May 20243613612,4332,1056$80.02$2.12
Apr 20243843972,2971,96528$85.35$1.60
Mar 20247267132,9262,51414$81.28$1.49
Feb 20241041021,2691,1942$77.25$1.72
Jan 202467737036303$74.15$3.18
Dec 20233974013,2742,75615$71.90$2.52
Nov 20235005003,6833,1659$77.69$2.71
Oct 20235995993,6313,11815$85.64$2.98
Sep 20236816853,1482,8204$89.43$2.64
Aug 20238328314,1073,50010$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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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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