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Royalty Clerk

Texas gas well

Producing

MAY UNIT 1

May Unit 1 is a gas well in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Sugarkane (Eagle Ford) field.

1 well

8,118mcf gas, last 12 months−29% vs prior year
RRC lease
02-278783

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
3,392 bbl
Gas in Jul 2026
720 mcf

Production by month

Gas output fell 29% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 29% over the last 12 monthsMonthly gas production and oil for MAY UNIT 1, Aug 2023 to Jul 2026. Gas output fell 29% over the last 12 months. 8,118 mcf in the 12 months through Jul 2026, against 11,456 mcf in the 12 months before.Last 12 months: 8,118 mcfmcf per monthbbl per month001,0002002,0004003,0006004,000800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 29% over the last 12 monthsMonthly gas production and oil for MAY UNIT 1, Aug 2023 to Jul 2026. Gas output fell 29% over the last 12 months. 8,118 mcf in the 12 months through Jul 2026, against 11,456 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 Oct 2023 the lease's gas goes to a processing plant instead of lease fuel

Flaring peaked at 4.6% of the gas in Sep 2025.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
Since Oct 2023 the lease's gas goes to a processing plant instead of lease fuelShare of MAY UNIT 1 gas by disposition code each month, Aug 2023 to Jul 2026. Since Oct 2023 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 4.6% of the gas in Sep 2025.Share of the lease’s gas by disposition code, per month0%50%100%Oct 2023: fuel to plantFlared 4.6%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Oct 2023 the lease's gas goes to a processing plant instead of lease fuelShare of MAY UNIT 1 gas by disposition code each month, Aug 2023 to Jul 2026. Since Oct 2023 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 4.6% of the gas in Sep 2025.Share of gas by disposition code0%50%100%Oct 23: fuel to plantFlared 4.6%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    70% · 5,701 mcf

  • Lease fuel (1)

    28% · 2,310 mcf

  • Flared (4)

    1.3% · 107 mcf

1.3% of the gas flared in the last 12 months. One month above 3%.

1 well on this lease

Wells on MAY UNIT 1
API numberWell no.Status
42-255-3429112HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCCondensateGathers20Jul 1, 2022–
Harvest Midstream CompanyCondensateGathers20Jul 1, 2022–
Plains Pipeline L.p.CondensateGathers20Jul 1, 2022–
Reynolds Energy Transport LLCCondensateGathers20Jul 1, 2022–
Trafigura Trading LLCCondensateGathers20Jul 1, 2022–
Marathon Oil Ef LLCGas-well gasBuys100Oct 6, 2015–
Marathon Oil Ef LLCGas-well gasGathers100Oct 6, 2015–
Enterprise Crude Oil LLCCondensateGathers5Sep 1, 2018Jul 1, 2022
Gulfmark Energy, Inc.CondensateGathers5Sep 1, 2018Jul 1, 2022
Harvest Midstream CompanyCondensateGathers15Sep 1, 2018Jul 1, 2022
Plains Pipeline L.p.CondensateGathers70Sep 1, 2018Jul 1, 2022
Trafigura Trading LLCCondensateGathers5Sep 1, 2018Jul 1, 2022

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

742.24 acres on the newest permit

Permits for May Unit 1
API numberWell no.Acreson the permit
42-255-3429112H742.24

SourceRailroad Commission drilling permits, Oct 3, 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 UNIT 1
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026007204823$80.46$2.89
Jun 20260277585313$84.81$3.15
May 20263473427605215$102.13$2.94
Apr 20263413436134054$100.32$2.77
Mar 20263793845894106$91.38$3.04
Feb 202631330571549013$64.51$3.62
Jan 202634134691863120$60.04$7.72
Dec 20253953936344704$57.97$4.26
Nov 20253823886254693$60.06$3.79
Oct 202535433963047517$60.89$3.19
Sep 202521722145232521$63.96$2.97
Aug 20253233307044928$64.86$2.91
Jul 20254424348715803$68.39$3.20
Jun 20254544749216274$68.17$3.02
May 20254674471,0056685$62.17$3.12
Apr 20253343427124703$63.54$3.42
Mar 20254264218165593$68.24$4.12
Feb 20253343416554408$71.53$4.19
Jan 202543743485157714$75.74$4.13
Dec 20244634671,0196884$70.12$3.01
Nov 20244934929976835$69.95$2.12
Oct 20245065041,2018297$71.99$2.20
Sep 20245075061,1788023$70.24$2.28
Aug 20245275321,2308434$76.68$1.99
Jul 20245395361,2638897$81.80$2.07
Jun 20245175121,2378704$79.77$2.54
May 20245105121,3449426$80.02$2.12
Apr 20244704721,22079712$85.35$1.60
Mar 20245295281,4881,0576$81.28$1.49
Feb 20245245231,3208276$77.25$1.72
Jan 20244154221,08878111$74.15$3.18
Dec 20236406362,6952,0736$71.90$2.52
Nov 20236286353,0942,44015$77.69$2.71
Oct 20237757752,1791,6165$85.64$2.98
Sep 20237927877953113$89.43$2.64
Aug 20237137121,41286411$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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