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Texas oil lease

Producing

TURNBULL UNIT B

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

1 well

4,322bbl oil, last 12 months+111% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-10652

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
7,680 mcf
Oil in Jul 2026
339 bbl

Production by month

Oil output rose 111% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 111% over the last 12 monthsMonthly oil production and gas for TURNBULL UNIT B, Aug 2023 to Jul 2026. Oil output rose 111% over the last 12 months. 4,322 bbl in the 12 months through Jul 2026, against 2,052 bbl in the 12 months before.Last 12 months: 4,322 bblbbl per monthmcf per month002505005001,0007501,5001,0002,0001,2502,500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 111% over the last 12 monthsMonthly oil production and gas for TURNBULL UNIT B, Aug 2023 to Jul 2026. Oil output rose 111% over the last 12 months. 4,322 bbl in the 12 months through Jul 2026, against 2,052 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002505005001,0007501,5001,0002,0001,2502,500Jan 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 7.1% 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 TURNBULL UNIT B 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 7.1% of the gas in Jan 2024.Share of the lease’s gas by disposition code, per month0%50%100%Feb 2024: fuel to plantFlared 7.1%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Feb 2024 the lease's gas goes to a processing plant instead of lease fuelShare of TURNBULL UNIT B 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 7.1% of the gas in Jan 2024.Share of gas by disposition code0%50%100%Feb 24: fuel to plantFlared 7.1%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    81% · 6,226 mcf

  • Lease fuel (1)

    18% · 1,375 mcf

  • Flared (4)

    1.0% · 79 mcf

1.0% of the gas flared in the last 12 months. One month above 3%.

1 well on this lease

Wells on TURNBULL UNIT B
API numberWell no.Status
42-255-326008HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Statewide Crude Inc.OilGathers50Jul 1, 2022–
Plains Pipeline L.p.OilGathers25Jul 1, 2022–
Reynolds Energy Transport LLCOilGathers25Jul 1, 2022–
Marathon Oil Ef LLCCasinghead gasBuys100Aug 1, 2012–
Marathon Oil Ef LLCCasinghead gasGathers100Aug 1, 2012–
Gulfmark Energy, Inc.OilGathers10Aug 1, 2012Jul 1, 2022
Statewide Crude Inc.OilGathers90Aug 1, 2012Jul 1, 2022

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

Who buys my oilOil price check

647.39 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 647.39 and 3,702.76 acres. Use the acres from your own division order for the well you are paid on.

  • 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 Turnbull Unit B
API numberWell no.Acreson the permit
42-255-326008H647.39
42-255-316652H3,702.76

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 TURNBULL UNIT B
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026339339110$80.46$2.89
Jun 20263343346825402$84.81$3.15
May 20263443436985656$102.13$2.94
Apr 20263793727315872$100.32$2.77
Mar 20261071201721402$91.38$3.04
Feb 20264464341,0698794$64.51$3.62
Jan 20261811833823087$60.04$7.72
Dec 20252512583522853$57.97$4.26
Nov 20254684676615412$60.06$3.79
Oct 20253803817556184$60.89$3.19
Sep 202539540165252219$63.96$2.97
Aug 20256986781,5251,24028$64.86$2.91
Jul 202500000$68.39$3.20
Jun 202500000$68.17$3.02
May 202500000$62.17$3.12
Apr 202555000$63.54$3.42
Mar 202504000$68.24$4.12
Feb 2025159163000$71.53$4.19
Jan 20253993975544663$75.74$4.13
Dec 20243423402492120$70.12$3.01
Nov 2024205205110$69.95$2.12
Oct 202425425595810$71.99$2.20
Sep 20242882904043491$70.24$2.28
Aug 20244004067686592$76.68$1.99
Jul 20248268254994302$81.80$2.07
Jun 20249859887866851$79.77$2.54
May 20241,2051,1991,0128903$80.02$2.12
Apr 20247277253623164$85.35$1.60
Mar 20248448448117085$81.28$1.49
Feb 202454555370660$77.25$1.72
Jan 2024892884196914$74.15$3.18
Dec 20233933945434932$71.90$2.52
Nov 2023613613102960$77.69$2.71
Oct 20238338293372643$85.64$2.98
Sep 20233743775643891$89.43$2.64
Aug 20237887905151239$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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