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Royalty Clerk

Texas gas well

Producing

L.B. HAILEY UNIT

L.b. Hailey Unit is a gas well in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Eagleville (Eagle Ford-2) field.

Gas well dossier

91,082mcf gas, last 12 months−32% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-298965

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
16,496 bbl
Gas in Jul 2026
8,016 mcf

Production by month

Gas output fell 32% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 32% over the last 12 monthsMonthly gas production and oil for L.B. HAILEY UNIT, Aug 2023 to Jul 2026. Gas output fell 32% over the last 12 months. 91,082 mcf in the 12 months through Jul 2026, against 134,869 mcf in the 12 months before.Last 12 months: 91,082 mcfmcf per monthbbl per month0010k2,00020k4,00030k6,00040k8,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 32% over the last 12 monthsMonthly gas production and oil for L.B. HAILEY UNIT, Aug 2023 to Jul 2026. Gas output fell 32% over the last 12 months. 91,082 mcf in the 12 months through Jul 2026, against 134,869 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month0010k2,00020k4,00030k6,00040k8,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

87% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
87% of the gas went to a processing plant in the last 12 monthsShare of L.B. HAILEY UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 87% of the gas went to a processing plant in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
87% of the gas went to a processing plant in the last 12 monthsShare of L.B. HAILEY UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 87% of the gas went to a processing plant in the last 12 months.Share of gas by disposition code0%50%100%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    87% · 92,004 mcf

  • Lease fuel (1)

    13% · 13,708 mcf

  • Flared (4)

    0.5% · 515 mcf

0.5% of the gas flared in the last 12 months. No month above 3%.

Wells on this lease

No wells are linked to this lease in our data

Production is still reported at lease level.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Plains Pipeline L.p.CondensateGathers50Oct 6, 2022
Statewide Crude Inc.CondensateGathers50Oct 6, 2022
Marathon Oil Ef LLCGas-well gasBuys100Oct 6, 2022
Marathon Oil Ef LLCGas-well gasGathers100Oct 6, 2022

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

Who buys my oilOil price check

351.90 acres on the newest permit

Check your decimal on this lease
Permits for L.b. Hailey Unit
API numberWell no.Acreson the permit
42-255-371471H351.90

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 L.B. HAILEY UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20261,6231,6248,0166,83842$80.46$2.89
Jun 20261,3151,3438,0806,85533$84.81$3.15
May 20262,2952,29210,3568,96757$102.13$2.94
Apr 20263,0803,01616,94514,89448$100.32$2.77
Mar 202600000$91.38$3.04
Feb 2026036000$64.51$3.62
Jan 20261,8151,7927,9556,852112$60.04$7.72
Dec 20254845204343792$57.97$4.26
Nov 20251,8271,8008,9287,90540$60.06$3.79
Oct 20251,4721,47010,2888,96230$60.89$3.19
Sep 20251,4981,50810,4909,11433$63.96$2.97
Aug 20251,0871,0909,5908,27861$64.86$2.91
Jul 20251,2911,2797,0645,95344$68.39$3.20
Jun 20251,2281,2408,0817,00713$68.17$3.02
May 20252,1352,1429,3838,05014$62.17$3.12
Apr 20252,4812,47910,8389,43519$63.54$3.42
Mar 20252,0452,04910,0888,62213$68.24$4.12
Feb 20252,2212,21810,2468,93216$71.53$4.19
Jan 20252,8062,80912,46311,08044$75.74$4.13
Dec 20243,6483,64613,01111,18325$70.12$3.01
Nov 20244,0734,08711,6789,95333$69.95$2.12
Oct 20243,8413,81913,33911,27829$71.99$2.20
Sep 20243,1303,12713,38211,49943$70.24$2.28
Aug 20243,3083,30515,29613,27921$76.68$1.99
Jul 20243,8833,90816,16213,80829$81.80$2.07
Jun 20243,9283,90916,27313,69837$79.77$2.54
May 20244,4774,49416,08413,92036$80.02$2.12
Apr 20246,6886,69318,20615,571224$85.35$1.60
Mar 20242,4852,5327,7836,68638$81.28$1.49
Feb 20243,6323,60118,06116,53145$77.25$1.72
Jan 20243,6453,65417,72316,13061$74.15$3.18
Dec 20234,5584,60418,95517,50545$71.90$2.52
Nov 20235,7015,69221,65720,13634$77.69$2.71
Oct 20236,1396,13524,68223,12752$85.64$2.98
Sep 20236,7766,79524,30022,72225$89.43$2.64
Aug 20237,4367,42627,91326,25533$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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Nearby

This lease belongs to

OperatorMarathon Oil Ef LLCFieldEagleville (Eagle Ford-2)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

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Eagleville (Eagle Ford-2) field

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