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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

5,118mcf gas, last 12 months+43% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Austin Chalk)
RRC lease
02-280084

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
1,581 bbl
Gas in Jul 2026
13 mcf

Checks stopped on this lease?

  • Sales

    Sales over the last 3 months fell to 2% of the 9 months before.

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

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Production by month

Gas output rose 43% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output rose 43% over the last 12 monthsMonthly gas production and oil for MAY B UNIT AC, Aug 2023 to Jul 2026. Gas output rose 43% over the last 12 months. 5,118 mcf in the 12 months through Jul 2026, against 3,582 mcf in the 12 months before.Last 12 months: 5,118 mcfmcf per monthbbl per month002501005002007503001,0004001,250500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output rose 43% over the last 12 monthsMonthly gas production and oil for MAY B UNIT AC, Aug 2023 to Jul 2026. Gas output rose 43% over the last 12 months. 5,118 mcf in the 12 months through Jul 2026, against 3,582 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month002501005002007503001,0004001,250500Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuel

Flaring peaked at 3.1% of the gas in Jan 2024.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuelShare of MAY B UNIT AC gas by disposition code each month, Aug 2023 to Jul 2026. Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 3.1% of the gas in Jan 2024.Share of the lease’s gas by disposition code, per month0%50%100%Mar 2024: fuel to plantFlared 3.1%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuelShare of MAY B UNIT AC gas by disposition code each month, Aug 2023 to Jul 2026. Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 3.1% of the gas in Jan 2024.Share of gas by disposition code0%50%100%Mar 24: fuel to plantFlared 3.1%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    86% · 4,401 mcf

  • Lease fuel (1)

    14% · 696 mcf

  • Flared (4)

    0.4% · 21 mcf

0.4% of the gas flared in the last 12 months. One month above 3%.

1 well on this lease

Wells on MAY B UNIT AC
API numberWell no.Status
42-255-346624HActive

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 gasBuys100Nov 24, 2015–
Marathon Oil Ef LLCGas-well gasGathers100Nov 24, 2015–
Enterprise Crude Oil LLCCondensateGathers5Sep 6, 2018Jul 1, 2022
Gulfmark Energy, Inc.CondensateGathers10Nov 24, 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
42-255-346624H1,179.55

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 202616416313110$80.46$2.89
Jun 20261451421190$84.81$3.15
May 202610098870$102.13$2.94
Apr 20268384870$100.32$2.77
Mar 20261191191190$91.38$3.04
Feb 202689905664712$64.51$3.62
Jan 20261431416585564$60.04$7.72
Dec 20251271287766633$57.97$4.26
Nov 20251141157146183$60.06$3.79
Oct 20251281268097081$60.89$3.19
Sep 20251401476455623$63.96$2.97
Aug 20252292228997805$64.86$2.91
Jul 20252682633473002$68.39$3.20
Jun 202510210158500$68.17$3.02
May 202595957326281$62.17$3.12
Apr 202561614884251$63.54$3.42
Mar 202569706485541$68.24$4.12
Feb 20251261267306371$71.53$4.19
Jan 20251791793543151$75.74$4.13
Dec 202419519424210$70.12$3.01
Nov 2024150151114970$69.95$2.12
Oct 202413713719160$71.99$2.20
Sep 202419419428240$70.24$2.28
Aug 202427927740350$76.68$1.99
Jul 20241013110$81.80$2.07
Jun 202419219025210$79.77$2.54
May 20241331331611400$80.02$2.12
Apr 202474772331993$85.35$1.60
Mar 202419720024210$81.28$1.49
Feb 2024256252824220$77.25$1.72
Jan 2024159160478015$74.15$3.18
Dec 2023212218744021$71.90$2.52
Nov 20234574551,16934912$77.69$2.71
Oct 2023422417724020$85.64$2.98
Sep 202317417649005$89.43$2.64
Aug 202327627355008$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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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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