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Texas oil lease

Producing

TURNBULL UNIT A

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

9 wells

1,798bbl oil, last 12 months−4% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-09596

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
2,763 mcf
Oil in Jul 2026
216 bbl

Production by month

Oil output fell 4% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 4% over the last 12 monthsMonthly oil production and gas for TURNBULL UNIT A, Aug 2023 to Jul 2026. Oil output fell 4% over the last 12 months. 1,798 bbl in the 12 months through Jul 2026, against 1,876 bbl in the 12 months before.Last 12 months: 1,798 bblbbl per monthmcf per month002002504005006007508001,0001,0001,250Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 4% over the last 12 monthsMonthly oil production and gas for TURNBULL UNIT A, Aug 2023 to Jul 2026. Oil output fell 4% over the last 12 months. 1,798 bbl in the 12 months through Jul 2026, against 1,876 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002002504005006007508001,0001,0001,250Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

Flaring peaked at 7.5% of the gas in Jan 2024.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuelShare of TURNBULL UNIT A gas by disposition code each month, Aug 2023 to Jul 2026. Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 7.5% of the gas in Jan 2024.Share of the lease’s gas by disposition code, per month0%50%100%Mar 2024: fuel to plantFlared 7.5%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuelShare of TURNBULL UNIT A gas by disposition code each month, Aug 2023 to Jul 2026. Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuel. Flaring peaked at 7.5% of the gas in Jan 2024.Share of gas by disposition code0%50%100%Mar 24: fuel to plantFlared 7.5%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    79% · 3,107 mcf

  • Lease fuel (1)

    20% · 781 mcf

  • Flared (4)

    0.6% · 24 mcf

0.6% of the gas flared in the last 12 months. 5 months above 3%.

9 wells on this lease

Wells on TURNBULL UNIT A
API numberWell no.Status
42-255-316611HActive
42-255-316652HActive
42-255-316683HActive
42-255-317604HActive
42-255-318245HActive
42-255-318576HActive
42-255-3263811HActive
42-255-3266516HShut-in
42-255-3268710HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Reynolds Energy Transport LLCOilGathers50Jul 1, 2022–
Statewide Crude Inc.OilGathers50Jul 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

573.13 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 573.13 and 3,702.76 acres. Use the acres from your own division order for the well you are paid on.

  • Good to know

    9 wells are listed on this lease

    Each well can have its own unit. The decimal for one well does not have to equal the decimal for another.

  • 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 A
API numberWell no.Acreson the permit
42-255-3268710H573.13
42-255-3266516H573.13
42-255-3263811H573.13
42-255-317604H3,702.76
42-255-316683H3,702.76
42-255-316611H3,702.76
42-255-316652H3,702.76
42-255-318576H3,702.76
42-255-318245H3,702.76

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 A
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20262162221,1839133$80.46$2.89
Jun 20263733632682121$84.81$3.15
May 2026979514110$102.13$2.94
Apr 20261919000$100.32$2.77
Mar 202616000$91.38$3.04
Feb 20261501503052511$64.51$3.62
Jan 202621821529231$60.04$7.72
Dec 20251031051511221$57.97$4.26
Nov 20251781742482031$60.06$3.79
Oct 202530342341921$60.89$3.19
Sep 202513914218141$63.96$2.97
Aug 20252742753132546$64.86$2.91
Jul 20253303313762994$68.39$3.20
Jun 20253763707736134$68.17$3.02
May 20251601575164161$62.17$3.12
Apr 202533342161771$63.54$3.42
Mar 202592964483761$68.24$4.12
Feb 202528227768256210$71.53$4.19
Jan 2025656487731$75.74$4.13
Dec 202403000$70.12$3.01
Nov 20241521521641390$69.95$2.12
Oct 2024187187107920$71.99$2.20
Sep 202419919623200$70.24$2.28
Aug 202401000$76.68$1.99
Jul 20247372650$81.80$2.07
Jun 20243844330$79.77$2.54
May 20245145121461290$80.02$2.12
Apr 20243273262912543$85.35$1.60
Mar 20243453423473032$81.28$1.49
Feb 202401000$77.25$1.72
Jan 20245555266020$74.15$3.18
Dec 20236668541025$71.90$2.52
Nov 202325725837403$77.69$2.71
Oct 2023391391427015$85.64$2.98
Sep 202337036944911$89.43$2.64
Aug 20233313324661110$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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Eagleville (Eagle Ford-2) field

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