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Texas gas well

Producing

BLACKJACK UNIT 'B'

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

1 well

6,882mcf gas, last 12 months−8% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-285878

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
2,088 bbl
Gas in Jul 2026
1,301 mcf

Production by month

Gas output fell 8% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 8% over the last 12 monthsMonthly gas production and oil for BLACKJACK UNIT 'B', Aug 2023 to Jul 2026. Gas output fell 8% over the last 12 months. 6,882 mcf in the 12 months through Jul 2026, against 7,473 mcf in the 12 months before.Last 12 months: 6,882 mcfmcf per monthbbl per month002,0002004,0004006,0006008,000800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 8% over the last 12 monthsMonthly gas production and oil for BLACKJACK UNIT 'B', Aug 2023 to Jul 2026. Gas output fell 8% over the last 12 months. 6,882 mcf in the 12 months through Jul 2026, against 7,473 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month002,0002004,0004006,0006008,000800Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Dec 2023 the lease's gas goes to a processing plant instead of lease fuel

Flaring peaked at 3.8% of the gas in Apr 2026.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
Since Dec 2023 the lease's gas goes to a processing plant instead of lease fuelShare of BLACKJACK UNIT 'B' gas by disposition code each month, Aug 2023 to Jul 2026. Since Dec 2023 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 3.8% of the gas in Apr 2026.Share of the lease’s gas by disposition code, per month0%50%100%Dec 2023: fuel to plantFlared 3.8%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Dec 2023 the lease's gas goes to a processing plant instead of lease fuelShare of BLACKJACK UNIT 'B' gas by disposition code each month, Aug 2023 to Jul 2026. Since Dec 2023 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 3.8% of the gas in Apr 2026.Share of gas by disposition code0%50%100%Dec 23: fuel to plantFlared 3.8%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    75% · 5,886 mcf

  • Lease fuel (1)

    23% · 1,835 mcf

  • Flared (4)

    1.5% · 119 mcf

1.5% of the gas flared in the last 12 months. One month above 3%.

1 well on this lease

Wells on BLACKJACK UNIT 'B'
API numberWell no.Status
42-255-323862HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCCondensateGathers50Jun 1, 2020–
Plains Pipeline L.p.CondensateGathers25Jun 1, 2020–
Reynolds Energy Transport LLCCondensateGathers25Jul 1, 2022–
Marathon Oil Ef LLCGas-well gasBuys100Jul 16, 2012–
Marathon Oil Ef LLCGas-well gasGathers100Jul 16, 2012–
Gulfmark Energy, Inc.CondensateGathers25Jun 1, 2020Jul 1, 2022
Enterprise Crude Oil LLCCondensateGathers1Jul 16, 2012Jun 1, 2020
Gulfmark Energy, Inc.CondensateGathers1Jul 16, 2012Jun 1, 2020
Plains Pipeline L.p.CondensateGathers97Jul 16, 2012Jun 1, 2020
Trafigura Trading LLCCondensateGathers1Jul 16, 2012Jun 1, 2020

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

Who buys my oilOil price check

193.32 acres on the newest permit

  • Worth asking

    A Rule 37 case is listed

    The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.

Check your decimal on this lease
Permits for Blackjack Unit 'B'
API numberWell no.Acreson the permit
42-255-323862H193.32

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 BLACKJACK UNIT 'B'
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20261972051,3011,0923$80.46$2.89
Jun 202616415892858620$84.81$3.15
May 20262382611,15088920$102.13$2.94
Apr 20263453111,17284544$100.32$2.77
Mar 202603000$91.38$3.04
Feb 20264454430$64.51$3.62
Jan 202619819919150$60.04$7.72
Dec 20252772746004369$57.97$4.26
Nov 20253042937896288$60.06$3.79
Oct 202506000$60.89$3.19
Sep 202592973372664$63.96$2.97
Aug 20252292335824414$64.86$2.91
Jul 20252492474723173$68.39$3.20
Jun 20252332304863684$68.17$3.02
May 20252632647845952$62.17$3.12
Apr 20252712738006063$63.54$3.42
Mar 20253553629737523$68.24$4.12
Feb 20253323176124675$71.53$4.19
Jan 20251301253973133$75.74$4.13
Dec 202407000$70.12$3.01
Nov 20241501514853803$69.95$2.12
Oct 202421020781266510$71.99$2.20
Sep 20241811836505293$70.24$2.28
Aug 20241831841,0028212$76.68$1.99
Jul 20241681648346992$81.80$2.07
Jun 20241481511,7511,4914$79.77$2.54
May 20242192224223591$80.02$2.12
Apr 20244364426,7435,72219$85.35$1.60
Mar 20245475392,0211,7626$81.28$1.49
Feb 20243883841,2391,0444$77.25$1.72
Jan 20241441464023652$74.15$3.18
Dec 20233043037124086$71.90$2.52
Nov 2023272272479010$77.69$2.71
Oct 2023287285521010$85.64$2.98
Sep 202317918253908$89.43$2.64
Aug 20234224201,6931,0578$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 LLCFieldEagleville (Eagle Ford-2)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

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