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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

3,541mcf gas, last 12 months+82% vs prior year
RRC lease
02-279559

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
1,168 bbl
Gas in Jul 2026
4 mcf

Checks stopped on this lease?

  • Sales

    Sales over the last 3 months fell to 1% 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 82% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output rose 82% over the last 12 monthsMonthly gas production and oil for MAY B UNIT, Aug 2023 to Jul 2026. Gas output rose 82% over the last 12 months. 3,541 mcf in the 12 months through Jul 2026, against 1,944 mcf in the 12 months before.Last 12 months: 3,541 mcfmcf per monthbbl per month002502005004007506001,0008001,2501,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output rose 82% over the last 12 monthsMonthly gas production and oil for MAY B UNIT, Aug 2023 to Jul 2026. Gas output rose 82% over the last 12 months. 3,541 mcf in the 12 months through Jul 2026, against 1,944 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month002502005004007506001,0008001,2501,000Jan 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 3.0% 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 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 3.0% of the gas in Jan 2024.Share of the lease’s gas by disposition code, per month0%50%100%Mar 2024: fuel to plantFlared 3.0%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 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 3.0% of the gas in Jan 2024.Share of gas by disposition code0%50%100%Mar 24: fuel to plantFlared 3.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    87% · 3,075 mcf

  • Lease fuel (1)

    13% · 456 mcf

  • Flared (4)

    0.3% · 10 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
API numberWell no.Status
42-255-346649HActive

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).

1,179.55 acres on the newest permit

Permits for May B Unit
API numberWell no.Acreson the permit
42-255-346649H1,179.55

SourceRailroad Commission drilling permits, Sep 26, 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
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20264146430$80.46$2.89
Jun 202610196870$84.81$3.15
May 20262932220$102.13$2.94
Apr 20267878650$100.32$2.77
Mar 20268284650$91.38$3.04
Feb 20269191760$64.51$3.62
Jan 202612712612100$60.04$7.72
Dec 20251351365764922$57.97$4.26
Nov 20251171178357243$60.06$3.79
Oct 20251101129388211$60.89$3.19
Sep 20252082018807683$63.96$2.97
Aug 202549532672321$64.86$2.91
Jul 20252802741,2211,0577$68.39$3.20
Jun 20253738330$68.17$3.02
May 20251201201190$62.17$3.12
Apr 20251461461421240$63.54$3.42
Mar 202599991090$68.24$4.12
Feb 202510110620170$71.53$4.19
Jan 202553453653470$75.74$4.13
Dec 202480780785730$70.12$3.01
Nov 202490991397830$69.95$2.12
Oct 202489989498830$71.99$2.20
Sep 202480880794810$70.24$2.28
Aug 2024773772110960$76.68$1.99
Jul 20248298331201030$81.80$2.07
Jun 202476075297820$79.77$2.54
May 202433433643370$80.02$2.12
Apr 202460462176651$85.35$1.60
Mar 20249739671211041$81.28$1.49
Feb 202454853729507$77.25$1.72
Jan 202421521719806$74.15$3.18
Dec 202335135333009$71.90$2.52
Nov 202337337429504$77.69$2.71
Oct 202345145127508$85.64$2.98
Sep 202351851731603$89.43$2.64
Aug 202346246728514$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

Marathon Oil Ef LLC in Karnes County

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Sugarkane (Eagle Ford) field

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