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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.

1 well

188,195mcf gas, last 12 months−41% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-296239

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
26,294 bbl
Gas in Jul 2026
12,622 mcf

Production by month

Gas output fell 41% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 41% over the last 12 monthsMonthly gas production and oil for L.B. HAILEY UNIT, Apr 2024 to Jul 2026. Gas output fell 41% over the last 12 months. 188,195 mcf in the 12 months through Jul 2026, against 318,085 mcf in the 12 months before.Last 12 months: 188,195 mcfmcf per monthbbl per month0010k5,00020k10k30k15k40k20k50k25kApr 24JulOctJan 25AprJulOctJan 26AprJul
Gas output fell 41% over the last 12 monthsMonthly gas production and oil for L.B. HAILEY UNIT, Apr 2024 to Jul 2026. Gas output fell 41% over the last 12 months. 188,195 mcf in the 12 months through Jul 2026, against 318,085 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month0010k5,00020k10k30k15k40k20k50k25kJul 24Jan 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

Flaring peaked at 4.0% of the gas in Feb 2026.

  • 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, Apr 2024 to Jul 2026. 87% of the gas went to a processing plant in the last 12 months. Flaring peaked at 4.0% of the gas in Feb 2026.Share of the lease’s gas by disposition code, per month0%50%100%Flared 4.0%Apr 24JulOctJan 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, Apr 2024 to Jul 2026. 87% of the gas went to a processing plant in the last 12 months. Flaring peaked at 4.0% of the gas in Feb 2026.Share of gas by disposition code0%50%100%Flared 4.0%Jul 24Jan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    87% · 162,801 mcf

  • Lease fuel (1)

    13% · 23,919 mcf

  • Flared (4)

    0.8% · 1,475 mcf

0.8% of the gas flared in the last 12 months. One month above 3%.

1 well on this lease

Wells on L.B. HAILEY UNIT
API numberWell no.Status
42-255-378535HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Enterprise Crude Oil LLCCondensateGathers34Nov 2, 2023
Endeavor Crude, LLCCondensateGathers33Nov 2, 2023
Trafigura Trading LLCCondensateGathers33Nov 2, 2023
Marathon Oil Ef LLCGas-well gasBuys100Nov 2, 2023
Marathon Oil Ef LLCGas-well gasGathers100Nov 2, 2023

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
42-255-378535H351.90

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

28 months, newest first

Ledger for L.B. HAILEY UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20262,1632,15512,62210,76767$80.46$2.89
Jun 20261,4151,4218,6647,35135$84.81$3.15
May 20261,6451,63213,31111,52573$102.13$2.94
Apr 20261,6851,70412,64511,11536$100.32$2.77
Mar 20262,2312,26913,67211,88895$91.38$3.04
Feb 20262,0181,96213,23210,912525$64.51$3.62
Jan 20261,8461,88212,83911,060180$60.04$7.72
Dec 20252,5962,58019,14016,698106$57.97$4.26
Nov 20252,0612,04516,81414,88875$60.06$3.79
Oct 20252,6652,66319,79817,24757$60.89$3.19
Sep 20252,7802,83119,94817,33163$63.96$2.97
Aug 20253,1893,19925,51022,019163$64.86$2.91
Jul 20253,8513,82422,28618,797137$68.39$3.20
Jun 20254,2624,26924,93221,61840$68.17$3.02
May 20255,0935,06329,85925,61745$62.17$3.12
Apr 20253,0123,09313,14011,43923$63.54$3.42
Mar 20256,9006,92245,73439,08860$68.24$4.12
Feb 20258,1218,07949,88643,48978$71.53$4.19
Jan 20257,9387,86845,13740,129158$75.74$4.13
Dec 20243,4623,46414,52512,48528$70.12$3.01
Nov 20244,2674,29316,67614,21247$69.95$2.12
Oct 20244,8474,86116,40813,87236$71.99$2.20
Sep 20246,4786,44720,21317,24670$70.24$2.28
Aug 20245,7995,82519,28916,74527$76.68$1.99
Jul 202411,57511,69838,07234,48971$81.80$2.07
Jun 202415,32915,28139,14637,921102$79.77$2.54
May 202421,12721,11447,20745,779120$80.02$2.12
Apr 202418,89518,75635,52133,876487$85.35$1.60

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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This lease belongs to

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

Marathon Oil Ef LLC in Karnes County

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