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Texas gas well

Shut in

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

44bbl oil, last 12 months−69% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Austin Chalk)
RRC lease
02-277566

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil in Jul 2026
0 bbl
Reporting since
Jan 2020

Checks stopped on this lease?

  • Sales

    No sales reported for the last 12 months of state data (through Jul 2026).

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

See why checks stop on this lease

Production by month

Oil output fell 69% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 69% over the last 12 monthsMonthly oil production and gas for MAY B UNIT AC, Aug 2023 to Jul 2026. Oil output fell 69% over the last 12 months. 44 bbl in the 12 months through Jul 2026, against 141 bbl in the 12 months before.Last 12 months: 44 bblbbl per monthmcf per month0010500201,000301,500402,000502,500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 69% over the last 12 monthsMonthly oil production and gas for MAY B UNIT AC, Aug 2023 to Jul 2026. Oil output fell 69% over the last 12 months. 44 bbl in the 12 months through Jul 2026, against 141 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0010500201,000301,500402,000502,500Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

Flaring peaked at 3.3% of the gas in Jan 2024.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
Since Feb 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 Feb 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 3.3% of the gas in Jan 2024.Share of the lease’s gas by disposition code, per month0%50%100%Feb 2024: fuel to plantFlared 3.3%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Feb 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 Feb 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 3.3% of the gas in Jan 2024.Share of gas by disposition code0%50%100%Feb 24: fuel to plantFlared 3.3%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    87% · 1,769 mcf

  • Lease fuel (1)

    12% · 247 mcf

  • Flared (4)

    0.3% · 6 mcf

0.3% 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
42-255-343592HRShut-in

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.CondensateGathers10Sep 6, 2018Jul 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

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Permits for May B Unit Ac
API numberWell no.Acreson the permit
42-255-343592HR1,179.55

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 202600000$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 202600000$60.04$7.72
Dec 202500000$57.97$4.26
Nov 202500000$60.06$3.79
Oct 202500000$60.89$3.19
Sep 202503000$63.96$2.97
Aug 20254442000$64.86$2.91
Jul 2025464528240$68.39$3.20
Jun 202555110$68.17$3.02
May 202555110$62.17$3.12
Apr 202555110$63.54$3.42
Mar 202599220$68.24$4.12
Feb 202511000$71.53$4.19
Jan 202520201,3111,1655$75.74$4.13
Dec 202499220$70.12$3.01
Nov 20241212220$69.95$2.12
Oct 202414146385401$71.99$2.20
Sep 202444110$70.24$2.28
Aug 20241111330$76.68$1.99
Jul 20247732270$81.80$2.07
Jun 20245592780$79.77$2.54
May 202412121,0298912$80.02$2.12
Apr 2024151519160$85.35$1.60
Mar 2024002,2981,97411$81.28$1.49
Feb 2024661,6471,5443$77.25$1.72
Jan 2024232327109$74.15$3.18
Dec 202311724720$71.90$2.52
Nov 2023141444307$77.69$2.71
Oct 202300617017$85.64$2.98
Sep 20232250415$89.43$2.64
Aug 20231212454346$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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