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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

4,667mcf gas, last 12 months−38% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Eagle Ford)
RRC lease
02-259818

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
7,812 bbl
Gas in Jul 2026
0 mcf

Production by month

Gas output fell 38% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 38% over the last 12 monthsMonthly gas production and oil for MAY UNIT 1, Aug 2023 to Jul 2026. Gas output fell 38% over the last 12 months. 4,667 mcf in the 12 months through Jul 2026, against 7,488 mcf in the 12 months before.Last 12 months: 4,667 mcfmcf per monthbbl per month002505005001,0007501,5001,0002,0001,2502,500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 38% over the last 12 monthsMonthly gas production and oil for MAY UNIT 1, Aug 2023 to Jul 2026. Gas output fell 38% over the last 12 months. 4,667 mcf in the 12 months through Jul 2026, against 7,488 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month002505005001,0007501,5001,0002,0001,2502,500Jan 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 4.7% of the gas in Sep 2025.

  • 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 UNIT 1 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 4.7% of the gas in Sep 2025.Share of the lease’s gas by disposition code, per month0%50%100%Mar 2024: fuel to plantFlared 4.7%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Mar 2024 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 Mar 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 4.7% of the gas in Sep 2025.Share of gas by disposition code0%50%100%Mar 24: fuel to plantFlared 4.7%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    71% · 4,225 mcf

  • Lease fuel (1)

    28% · 1,689 mcf

  • Flared (4)

    1.1% · 64 mcf

1.1% 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
42-255-317321HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Reynolds Energy Transport LLCCondensateGathers50Jul 1, 2022–
Statewide Crude Inc.CondensateGathers50Jul 22, 2015–
Marathon Oil Ef LLCGas-well gasBuys100Dec 20, 2012–
Marathon Oil Ef LLCGas-well gasGathers100Nov 13, 2010–
Gulfmark Energy, Inc.CondensateGathers40Jul 22, 2015Jul 1, 2022
Marathon Oil Ef LLCCondensateGathers10Jul 22, 2015Jul 1, 2022

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

Who buys my oilOil price check

740.25 acres on the newest permit

Check your decimal on this lease
Permits for May Unit 1
API numberWell no.Acreson the permit
42-255-317321H740.25

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 UNIT 1
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202608000$80.46$2.89
Jun 20261111401521061$84.81$3.15
May 20264834974322963$102.13$2.94
Apr 20267917482851882$100.32$2.77
Mar 202612311518130$91.38$3.04
Feb 2026052000$64.51$3.62
Jan 20268479194022769$60.04$7.72
Dec 20251,8711,8627245365$57.97$4.26
Nov 20251,8531,8548446334$60.06$3.79
Oct 20251,3871,28344733712$60.89$3.19
Sep 202517517321415410$63.96$2.97
Aug 20251711721,14980313$64.86$2.91
Jul 20251831806414272$68.39$3.20
Jun 20251881976704563$68.17$3.02
May 20252142096824534$62.17$3.12
Apr 20252342365503632$63.54$3.42
Mar 20252342334753252$68.24$4.12
Feb 20252082114332915$71.53$4.19
Jan 20252442414172837$75.74$4.13
Dec 20242312314392962$70.12$3.01
Nov 20242222217525154$69.95$2.12
Oct 20242112117615264$71.99$2.20
Sep 20242302288455752$70.24$2.28
Aug 20242102138235643$76.68$1.99
Jul 20242262238666105$81.80$2.07
Jun 20241961958525993$79.77$2.54
May 20242192229206454$80.02$2.12
Apr 20242352398265408$85.35$1.60
Mar 202432632050360$81.28$1.49
Feb 202421520516502$77.25$1.72
Jan 202404000$74.15$3.18
Dec 202387884062811$71.90$2.52
Nov 20231251305313135$77.69$2.71
Oct 20232202208885043$85.64$2.98
Sep 20232322338815193$89.43$2.64
Aug 20232642628694758$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 (Eagle Ford)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

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Sugarkane (Eagle Ford) field

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