Skip to content
Royalty Clerk

Texas gas well

Producing

L.B. HAILEY AC

L.b. Hailey Ac is a gas well in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Sugarkane (Austin Chalk) field.

1 well

109,879mcf gas, last 12 months−72% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Austin Chalk)
RRC lease
02-296238

Is your check right?

Check my statement

Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
15,586 bbl
Gas in Jul 2026
4,428 mcf

Production by month

Gas output fell 72% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 72% over the last 12 monthsMonthly gas production and oil for L.B. HAILEY AC, Apr 2024 to Jul 2026. Gas output fell 72% over the last 12 months. 109,879 mcf in the 12 months through Jul 2026, against 388,245 mcf in the 12 months before.Last 12 months: 109,879 mcfmcf per monthbbl per month0020k5,00040k10k60k15k80k20kApr 24JulOctJan 25AprJulOctJan 26AprJul
Gas output fell 72% over the last 12 monthsMonthly gas production and oil for L.B. HAILEY AC, Apr 2024 to Jul 2026. Gas output fell 72% over the last 12 months. 109,879 mcf in the 12 months through Jul 2026, against 388,245 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month0020k5,00040k10k60k15k80k20kJul 24Jan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

86% 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)
86% of the gas went to a processing plant in the last 12 monthsShare of L.B. HAILEY AC gas by disposition code each month, Apr 2024 to Jul 2026. 86% 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
86% of the gas went to a processing plant in the last 12 monthsShare of L.B. HAILEY AC gas by disposition code each month, Apr 2024 to Jul 2026. 86% 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)

    86% · 95,006 mcf

  • Lease fuel (1)

    13% · 13,966 mcf

  • Flared (4)

    0.8% · 907 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 AC
API numberWell no.Status
42-255-378522HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Enterprise Crude Oil LLCCondensateGathers34Nov 21, 2023
Endeavor Crude, LLCCondensateGathers33Nov 21, 2023
Trafigura Trading LLCCondensateGathers33Nov 21, 2023
Marathon Oil Ef LLCGas-well gasBuys100Nov 21, 2023
Marathon Oil Ef LLCGas-well gasGathers100Nov 21, 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 Ac
API numberWell no.Acreson the permit
42-255-378522H351.90

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 AC
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20264164214,4283,77823$80.46$2.89
Jun 20265125176,0555,13824$84.81$3.15
May 20266916966,3015,45535$102.13$2.94
Apr 20261,1911,1976,2305,47618$100.32$2.77
Mar 20261,2751,2866,6465,77946$91.38$3.04
Feb 20269339249,1057,509361$64.51$3.62
Jan 20261,6681,6738,8767,646124$60.04$7.72
Dec 20251,3641,3737,0516,15139$57.97$4.26
Nov 20251,7391,72111,1149,84150$60.06$3.79
Oct 20251,9031,90013,87012,08340$60.89$3.19
Sep 20251,9341,96314,37612,48946$63.96$2.97
Aug 20251,9601,97215,82713,661101$64.86$2.91
Jul 20252,6042,59213,00210,95780$68.39$3.20
Jun 20253,2713,27626,21222,72842$68.17$3.02
May 20253,8773,89140,20934,49661$62.17$3.12
Apr 20254,5674,53926,40822,98847$63.54$3.42
Mar 20252,4742,49712,74410,89217$68.24$4.12
Feb 20253,6683,70315,25913,30224$71.53$4.19
Jan 20257,5217,48926,58423,63493$75.74$4.13
Dec 20246,2446,26531,39826,98761$70.12$3.01
Nov 20249,4059,47952,42444,679148$69.95$2.12
Oct 202411,95212,00062,62452,945137$71.99$2.20
Sep 202414,24214,13449,52742,119177$70.24$2.28
Aug 202412,14012,07831,85427,65345$76.68$1.99
Jul 20246,7326,82525,21724,11450$81.80$2.07
Jun 202410,54610,51233,75732,69488$79.77$2.54
May 202414,41914,39039,07737,86499$80.02$2.12
Apr 202410,24110,16622,55921,492309$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.

How to check your stub against this lease Checks stopped on this lease? See the likely reasons

Do your checks match this lease?

Check my statement

Nearby

This lease belongs to

OperatorMarathon Oil Ef LLCFieldSugarkane (Austin Chalk)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

All Marathon Oil Ef LLC leases →

Sugarkane (Austin Chalk) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km