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Texas gas well

Producing

MOBIL UNIT B AC

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

1 well

48,012mcf gas, last 12 months−49% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Austin Chalk)
RRC lease
02-274682

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
4,852 bbl
Gas in Jul 2026
3,494 mcf

Production by month

Gas output fell 49% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 49% over the last 12 monthsMonthly gas production and oil for MOBIL UNIT B AC, Aug 2023 to Jul 2026. Gas output fell 49% over the last 12 months. 48,012 mcf in the 12 months through Jul 2026, against 94,923 mcf in the 12 months before.Last 12 months: 48,012 mcfmcf per monthbbl per month002,5005005,0001,0007,5001,50010k2,00012.5k2,500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 49% over the last 12 monthsMonthly gas production and oil for MOBIL UNIT B AC, Aug 2023 to Jul 2026. Gas output fell 49% over the last 12 months. 48,012 mcf in the 12 months through Jul 2026, against 94,923 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month002,5005005,0001,0007,5001,50010k2,00012.5k2,500Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Feb 2024 the lease's gas goes to a processing plant instead of lease fuel

Flaring peaked at 7.2% of the gas in Jan 2024.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
Since Feb 2024 the lease's gas goes to a processing plant instead of lease fuelShare of MOBIL UNIT B AC gas by disposition code each month, Aug 2023 to Jul 2026. Since Feb 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 7.2% of the gas in Jan 2024.Share of the lease’s gas by disposition code, per month0%50%100%Feb 2024: fuel to plantFlared 7.2%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Feb 2024 the lease's gas goes to a processing plant instead of lease fuelShare of MOBIL UNIT B AC gas by disposition code each month, Aug 2023 to Jul 2026. Since Feb 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 7.2% of the gas in Jan 2024.Share of gas by disposition code0%50%100%Feb 24: fuel to plantFlared 7.2%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    89% · 44,347 mcf

  • Lease fuel (1)

    11% · 5,386 mcf

  • Flared (4)

    0.4% · 218 mcf

0.4% of the gas flared in the last 12 months. One month above 3%.

1 well on this lease

Wells on MOBIL UNIT B AC
API numberWell no.Status
42-255-335951HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Marathon Oil Ef LLCCondensateGathers100Jan 1, 2025–
Marathon Oil Ef LLCGas-well gasBuys100Aug 7, 2014–
Marathon Oil Ef LLCGas-well gasGathers100Aug 7, 2014–
Ngl Crude Logistics, LLCCondensateGathers25Jul 1, 2022Jan 1, 2025
Reynolds Energy Transport LLCCondensateGathers25Jul 1, 2022Jan 1, 2025
Shell Trading (Us) CompanyCondensateGathers25Jul 1, 2022Jan 1, 2025
Statewide Crude Inc.CondensateGathers25Jul 1, 2022Jan 1, 2025
Gulfmark Energy, Inc.CondensateGathers20Aug 7, 2014Jul 1, 2022
Marathon Oil Ef LLCCondensateGathers20Aug 7, 2014Jul 1, 2022

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

Who buys my oilOil price check

335.61 acres on the newest permit

Check your decimal on this lease
Permits for Mobil Unit B Ac
API numberWell no.Acreson the permit
42-255-335951H335.61

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 MOBIL UNIT B AC
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20264004423,4943,05915$80.46$2.89
Jun 20265174424,3373,73423$84.81$3.15
May 2026030000$102.13$2.94
Apr 20264654604,4253,86711$100.32$2.77
Mar 20264014264,3703,87127$91.38$3.04
Feb 20265265115,9065,21323$64.51$3.62
Jan 20264944946,7245,96054$60.04$7.72
Dec 20255745615,4614,91711$57.97$4.26
Nov 20253283282,2422,0206$60.06$3.79
Oct 20253593783,9703,60510$60.89$3.19
Sep 20254614364,5884,12221$63.96$2.97
Aug 20253273362,4952,22610$64.86$2.91
Jul 20255055141,9391,7537$68.39$3.20
Jun 20255895664,0193,66612$68.17$3.02
May 20254935003,4073,1466$62.17$3.12
Apr 20251,0431,0487,6927,02630$63.54$3.42
Mar 20251,3581,3629,5918,81324$68.24$4.12
Feb 20251,4791,47111,24910,39132$71.53$4.19
Jan 20251,3371,33411,01210,18632$75.74$4.13
Dec 20241,0961,0878,7547,97113$70.12$3.01
Nov 20244894908,6137,78622$69.95$2.12
Oct 20245825837,1376,46614$71.99$2.20
Sep 20246086099,9739,11212$70.24$2.28
Aug 202475975511,53710,49129$76.68$1.99
Jul 20246706738,0247,33211$81.80$2.07
Jun 20248118166,9446,36013$79.77$2.54
May 20241,4071,40010,1689,31019$80.02$2.12
Apr 20244004082,1051,89419$85.35$1.60
Mar 20241,3951,3926,5725,83511$81.28$1.49
Feb 20249799695,6995,3319$77.25$1.72
Jan 20241711749707$74.15$3.18
Dec 20236586585,0564,5117$71.90$2.52
Nov 20235995984,9084,45610$77.69$2.71
Oct 20236376395,5004,9468$85.64$2.98
Sep 20236806855,9145,30114$89.43$2.64
Aug 20238568527,1296,43120$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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This lease belongs to

OperatorMarathon Oil Ef LLCFieldSugarkane (Austin Chalk)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

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Sugarkane (Austin Chalk) field

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