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Texas oil lease

Producing

WINGNUT UNIT 'B'

Wingnut Unit 'B' is an oil lease in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Eagleville (Eagle Ford-2) field.

10 wells

54,876bbl oil, last 12 months−29% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-10366

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
102,616 mcf
Oil in Jul 2026
2,145 bbl

Production by month

Oil output fell 29% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 29% over the last 12 monthsMonthly oil production and gas for WINGNUT UNIT 'B', Aug 2023 to Jul 2026. Oil output fell 29% over the last 12 months. 54,876 bbl in the 12 months through Jul 2026, against 76,826 bbl in the 12 months before.Last 12 months: 54,876 bblbbl per monthmcf per month002,5005,0005,00010k7,50015k10k20kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 29% over the last 12 monthsMonthly oil production and gas for WINGNUT UNIT 'B', Aug 2023 to Jul 2026. Oil output fell 29% over the last 12 months. 54,876 bbl in the 12 months through Jul 2026, against 76,826 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002,5005,0005,00010k7,50015k10k20kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Jul 2026 the lease's gas goes to lease fuel instead of a processing plant

Flaring peaked at 22.0% of the gas in Dec 2025.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
Since Jul 2026 the lease's gas goes to lease fuel instead of a processing plantShare of WINGNUT UNIT 'B' gas by disposition code each month, Aug 2023 to Jul 2026. Since Jul 2026 the lease's gas goes to lease fuel instead of a processing plant. Flaring peaked at 22.0% of the gas in Dec 2025.Share of the lease’s gas by disposition code, per month0%50%100%Jul 2026: plant to fuelFlared 22.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Jul 2026 the lease's gas goes to lease fuel instead of a processing plantShare of WINGNUT UNIT 'B' gas by disposition code each month, Aug 2023 to Jul 2026. Since Jul 2026 the lease's gas goes to lease fuel instead of a processing plant. Flaring peaked at 22.0% of the gas in Dec 2025.Share of gas by disposition code0%50%100%Jul 26: plant to fuelFlared 22.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    49% · 50,706 mcf

  • Lease fuel (1)

    43% · 43,917 mcf

  • Flared (4)

    7.8% · 7,993 mcf

7.8% of the gas flared in the last 12 months. 20 months above 3%.

10 wells on this lease

Wells on WINGNUT UNIT 'B'
API numberWell no.Status
42-255-326561HActive
42-255-329252HActive
42-255-329263HShut-in
42-255-329274HShut-in
42-255-329415HActive
42-255-364496HActive
42-255-364507HActive
42-255-364518HActive
42-255-364529HActive
42-255-3645310HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Mv Purchasing, LLCOilGathers34Sep 1, 2026–
Plains Marketing, L.p.OilGathers33Sep 1, 2026–
Shell Trading (Us) CompanyOilGathers33Sep 1, 2026–
Enterprise Products Operating LLCCasinghead gasBuys100Sep 1, 2026–
Ensign Natural Resources II LLCCasinghead gasGathers100Sep 1, 2026–
Marathon Oil Ef LLCCasinghead gasGathers100Dec 5, 2012Sep 1, 2026
Marathon Oil Ef LLCCasinghead gasBuys100Dec 5, 2012Sep 1, 2026
Enterprise Crude Oil LLCOilGathers50Jul 1, 2022Sep 1, 2026
Pilot Travel Centers LLCOilGathers25Jul 1, 2022Sep 1, 2026
Reynolds Energy Transport LLCOilGathers25Jul 1, 2022Sep 1, 2026
Enterprise Crude Oil LLCOilGathers25Jun 1, 2020Jul 1, 2022

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

Who buys my oilOil price check

326.92 acres on the newest permit

10 wells are listed on this lease

Permits for Wingnut Unit 'B'
API numberWell no.Acreson the permit
42-255-364529H326.92
42-255-3645310H326.92
42-255-364496H326.92
42-255-364507H326.92
42-255-364518H326.92
42-255-329415H326.92
42-255-329252H326.92
42-255-329263H326.92
42-255-329274H326.92
42-255-326561H326.92

SourceRailroad Commission drilling permits, Sep 26, 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 WINGNUT UNIT 'B'
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20262,1452,2873,3961,551132$80.46$2.89
Jun 20264,3324,9197,9505,276192$84.81$3.15
May 20264,7113,8318,7515,432293$102.13$2.94
Apr 20263,9814,7527,9054,223267$100.32$2.77
Mar 20264,6494,6828,1153,002342$91.38$3.04
Feb 20265,1935,1697,1572,7881,269$64.51$3.62
Jan 20263,4133,2705,5921,581813$60.04$7.72
Dec 20253,5833,4314,6081,1871,015$57.97$4.26
Nov 20254,5824,8918,1383,425709$60.06$3.79
Oct 20255,2334,93611,7435,1241,306$60.89$3.19
Sep 20256,3956,24513,5907,463796$63.96$2.97
Aug 20256,6596,77515,6719,654859$64.86$2.91
Jul 20256,8726,68715,97810,114629$68.39$3.20
Jun 20256,6106,47215,1519,925448$68.17$3.02
May 20257,3087,40015,88110,720441$62.17$3.12
Apr 20258,0968,62717,81512,321459$63.54$3.42
Mar 20257,2636,65010,5316,311376$68.24$4.12
Feb 20255,6885,64510,7526,567357$71.53$4.19
Jan 20255,2685,2809,4205,016386$75.74$4.13
Dec 20245,6105,5739,8475,447349$70.12$3.01
Nov 20244,6334,5939,2135,271326$69.95$2.12
Oct 20245,6805,91013,5379,006434$71.99$2.20
Sep 20246,6726,44516,36611,195414$70.24$2.28
Aug 20247,1267,02215,07910,117434$76.68$1.99
Jul 20246,7736,79314,88910,034393$81.80$2.07
Jun 20246,5266,65716,79511,873388$79.77$2.54
May 20246,3576,38914,4409,769430$80.02$2.12
Apr 20246,9457,27715,55510,844402$85.35$1.60
Mar 20248,0027,63416,53011,526569$81.28$1.49
Feb 20247,9958,57718,43214,015390$77.25$1.72
Jan 20249,1288,93916,97112,117461$74.15$3.18
Dec 20238,0367,98117,26812,657446$71.90$2.52
Nov 20238,5458,33916,09711,635449$77.69$2.71
Oct 20238,3508,49917,40512,501505$85.64$2.98
Sep 20238,4838,37716,58112,019436$89.43$2.64
Aug 20239,5029,80618,62014,273568$81.39$2.58

Flared above 3%

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 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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