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Texas gas well

Producing

MAY B UNIT

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

1 well

174mcf gas, last 12 months−47% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Eagle Ford)
RRC lease
02-277623

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
1,753 bbl
Gas in Jul 2026
4 mcf

Checks stopped on this lease?

  • Sales

    Sales over the last 3 months fell to 17% 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 fell 47% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 47% over the last 12 monthsMonthly gas production and oil for MAY B UNIT, Aug 2023 to Jul 2026. Gas output fell 47% over the last 12 months. 174 mcf in the 12 months through Jul 2026, against 330 mcf in the 12 months before.Last 12 months: 174 mcfmcf per monthbbl per month001,0002002,0004003,0006004,000800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 47% over the last 12 monthsMonthly gas production and oil for MAY B UNIT, Aug 2023 to Jul 2026. Gas output fell 47% over the last 12 months. 174 mcf in the 12 months through Jul 2026, against 330 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month001,0002002,0004003,0006004,000800Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

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

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    87% · 180 mcf

  • Lease fuel (1)

    13% · 28 mcf

1 well on this lease

Wells on MAY B UNIT
API numberWell no.Status
42-255-340276HActive

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

Permits for May B Unit
API numberWell no.Acreson the permit
42-255-340276H1,179.55

SourceRailroad Commission drilling permits, Sep 26, 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
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20263332430$80.46$2.89
Jun 20262324220$84.81$3.15
May 20263431430$102.13$2.94
Apr 202601000$100.32$2.77
Mar 20261437110$91.38$3.04
Feb 202626524623190$64.51$3.62
Jan 20267574760$60.04$7.72
Dec 20257693760$57.97$4.26
Nov 202530733632280$60.06$3.79
Oct 202569665271620$60.89$3.19
Sep 202512512513110$63.96$2.97
Aug 20251051081090$64.86$2.91
Jul 202533332434300$68.39$3.20
Jun 20251314110$68.17$3.02
May 20253635330$62.17$3.12
Apr 20251919220$63.54$3.42
Mar 202500000$68.24$4.12
Feb 202522000$71.53$4.19
Jan 20251415110$75.74$4.13
Dec 202411111012100$70.12$3.01
Nov 20241010110$69.95$2.12
Oct 202433000$71.99$2.20
Sep 202424000$70.24$2.28
Aug 20242182172762400$76.68$1.99
Jul 2024989913110$81.80$2.07
Jun 20241471452161820$79.77$2.54
May 20244143540$80.02$2.12
Apr 20243113212,0601,76225$85.35$1.60
Mar 20245725741,2731,0946$81.28$1.49
Feb 20245044951,5811,3387$77.25$1.72
Jan 20242552525454483$74.15$3.18
Dec 20239594359878$71.90$2.52
Nov 2023354218503$77.69$2.71
Oct 20234274192,5692,24710$85.64$2.98
Sep 20234514302$89.43$2.64
Aug 20234546160142$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 (Eagle Ford)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

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Sugarkane (Eagle Ford) field

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