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Texas gas well

Producing

BLACKJACK UNIT D

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

1 well

8,004mcf gas, last 12 months−72% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-285757

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
1,450 bbl
Gas in Jul 2026
1,332 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 BLACKJACK UNIT D, Aug 2023 to Jul 2026. Gas output fell 72% over the last 12 months. 8,004 mcf in the 12 months through Jul 2026, against 28,735 mcf in the 12 months before.Last 12 months: 8,004 mcfmcf per monthbbl per month002,0002004,0004006,0006008,000800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 72% over the last 12 monthsMonthly gas production and oil for BLACKJACK UNIT D, Aug 2023 to Jul 2026. Gas output fell 72% over the last 12 months. 8,004 mcf in the 12 months through Jul 2026, against 28,735 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

76% of the gas went to a processing plant in the last 12 months

Flaring peaked at 3.7% of the gas in Apr 2026.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
76% of the gas went to a processing plant in the last 12 monthsShare of BLACKJACK UNIT D gas by disposition code each month, Aug 2023 to Jul 2026. 76% of the gas went to a processing plant in the last 12 months. Flaring peaked at 3.7% of the gas in Apr 2026.Share of the lease’s gas by disposition code, per month0%50%100%Flared 3.7%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
76% of the gas went to a processing plant in the last 12 monthsShare of BLACKJACK UNIT D gas by disposition code each month, Aug 2023 to Jul 2026. 76% of the gas went to a processing plant in the last 12 months. Flaring peaked at 3.7% of the gas in Apr 2026.Share of gas by disposition code0%50%100%Flared 3.7%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    76% · 6,127 mcf

  • Lease fuel (1)

    22% · 1,785 mcf

  • Flared (4)

    1.4% · 114 mcf

1.4% of the gas flared in the last 12 months. One month above 3%.

1 well on this lease

Wells on BLACKJACK UNIT D
API numberWell no.Status
42-255-339092HActive

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 gasBuys100Feb 20, 2015–
Marathon Oil Ef LLCGas-well gasGathers100Feb 20, 2015–
Gulfmark Energy, Inc.CondensateGathers25Jun 1, 2020Jul 1, 2022
Enterprise Crude Oil LLCCondensateGathers1Feb 20, 2015Jun 1, 2020
Gulfmark Energy, Inc.CondensateGathers1Feb 20, 2015Jun 1, 2020
Plains Pipeline L.p.CondensateGathers97Feb 20, 2015Jun 1, 2020
Trafigura Trading LLCCondensateGathers1Feb 20, 2015Jun 1, 2020

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

Who buys my oilOil price check

394.74 acres on the newest permit

Check your decimal on this lease
Permits for Blackjack Unit D
API numberWell no.Acreson the permit
42-255-339092H394.74

SourceRailroad Commission drilling permits, Sep 26, 2026 (source 1, source 2).

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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 D
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20261241281,3321,1183$80.46$2.89
Jun 202682781,07968124$84.81$3.15
May 202611211583664714$102.13$2.94
Apr 2026878372952627$100.32$2.77
Mar 202651471621203$91.38$3.04
Feb 202605000$64.51$3.62
Jan 202678831821392$60.04$7.72
Dec 202519018235251$57.97$4.26
Nov 2025424732260$60.06$3.79
Oct 20251812005754436$60.89$3.19
Sep 20254033822,5382,00531$63.96$2.97
Aug 2025100955043823$64.86$2.91
Jul 20250922150$68.39$3.20
Jun 20251701749747378$68.17$3.02
May 20253623622,4931,8917$62.17$3.12
Apr 20253283352,1691,6439$63.54$3.42
Mar 20255205223,1002,39510$68.24$4.12
Feb 20253603591,29198511$71.53$4.19
Jan 20255105102,9092,29519$75.74$4.13
Dec 20244864882,7932,11914$70.12$3.01
Nov 20245355357,2225,65245$69.95$2.12
Oct 20246376193,1342,56740$71.99$2.20
Sep 20241841792,6282,13811$70.24$2.28
Aug 2024014000$76.68$1.99
Jul 20242992942,3871,9997$81.80$2.07
Jun 20243023122,6982,2976$79.77$2.54
May 20246166035,1844,41211$80.02$2.12
Apr 20242362341,1369643$85.35$1.60
Mar 20241301265995222$81.28$1.49
Feb 20247101,8191,7182$77.25$1.72
Jan 20241131209077616$74.15$3.18
Dec 20235585501,7221,2748$71.90$2.52
Nov 202387871,0089511$77.69$2.71
Oct 20231051088747812$85.64$2.98
Sep 20233463463,2713,0194$89.43$2.64
Aug 20234014023,5823,1835$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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