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Texas oil lease

Producing

TURNBULL UNIT F

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

5 wells

23,999bbl oil, last 12 months−41% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-10656

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
75,546 mcf
Oil in Jul 2026
2,344 bbl

Other leases named Turnbull Unit F

4 leases share this name in district 02. The Railroad Commission gives each gas well its own number and each oil lease another, so one unit often shows up as several of these.

Production by month

Oil output fell 41% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 41% over the last 12 monthsMonthly oil production and gas for TURNBULL UNIT F, Aug 2023 to Jul 2026. Oil output fell 41% over the last 12 months. 23,999 bbl in the 12 months through Jul 2026, against 40,757 bbl in the 12 months before.Last 12 months: 23,999 bblbbl per monthmcf per month0010k10k20k20k30k30k40k40k50k50kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 41% over the last 12 monthsMonthly oil production and gas for TURNBULL UNIT F, Aug 2023 to Jul 2026. Oil output fell 41% over the last 12 months. 23,999 bbl in the 12 months through Jul 2026, against 40,757 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0010k10k20k20k30k30k40k40k50k50kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

81% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
81% of the gas went to a processing plant in the last 12 monthsShare of TURNBULL UNIT F gas by disposition code each month, Aug 2023 to Jul 2026. 81% of the gas went to a processing plant in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
81% of the gas went to a processing plant in the last 12 monthsShare of TURNBULL UNIT F gas by disposition code each month, Aug 2023 to Jul 2026. 81% of the gas went to a processing plant in the last 12 months.Share of gas by disposition code0%50%100%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    81% · 61,058 mcf

  • Lease fuel (1)

    18% · 13,679 mcf

  • Flared (4)

    1.1% · 809 mcf

1.1% of the gas flared in the last 12 months. No month above 3%.

5 wells on this lease

Wells on TURNBULL UNIT F
API numberWell no.Status
42-255-373653HActive
42-255-373662HActive
42-255-373671HActive
42-255-376988HActive
42-255-376999HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Statewide Crude Inc.OilGathers90Aug 1, 2012
Gulfmark Energy, Inc.OilGathers10Aug 1, 2012
Marathon Oil Ef LLCCasinghead gasBuys100Aug 1, 2012
Marathon Oil Ef LLCCasinghead gasGathers100Aug 1, 2012

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

Who buys my oilOil price check

588.63 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 588.63 and 3,702.76 acres. Use the acres from your own division order for the well you are paid on.

Check your decimal on this lease
Permits for Turnbull Unit F
API numberWell no.Acreson the permit
42-255-376988H588.63
42-255-376999H588.63
42-255-373653H588.63
42-255-373662H588.63
42-255-373671H588.63
42-255-318576H3,702.76

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 F
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20262,3442,3044,9473,81912$80.46$2.89
Jun 20261,1541,1592,4991,9806$84.81$3.15
May 20261,3031,2976,0964,93950$102.13$2.94
Apr 20261,3271,3455,8674,71017$100.32$2.77
Mar 20261,5911,6257,3355,98068$91.38$3.04
Feb 20262,3912,3786,2365,12326$64.51$3.62
Jan 20262,9002,8688,1106,527156$60.04$7.72
Dec 20251,6651,6654,7123,80744$57.97$4.26
Nov 20251,6261,6486,2295,09920$60.06$3.79
Oct 20252,0772,1027,4766,12337$60.89$3.19
Sep 20252,5832,5747,5326,033219$63.96$2.97
Aug 20253,0383,0068,5076,918154$64.86$2.91
Jul 20251,9822,0127,7006,12482$68.39$3.20
Jun 20253,0333,0187,3975,86636$68.17$3.02
May 20252,8912,9028,6847,00420$62.17$3.12
Apr 20253,4313,4358,3996,89827$63.54$3.42
Mar 20253,8403,8389,5367,99817$68.24$4.12
Feb 20253,5133,4999,9088,168138$71.53$4.19
Jan 20253,4583,44711,0469,29069$75.74$4.13
Dec 20243,0053,0159,7368,28417$70.12$3.01
Nov 20243,5933,58810,8029,15019$69.95$2.12
Oct 20243,6783,67811,85010,12731$71.99$2.20
Sep 20243,7303,74411,0359,53223$70.24$2.28
Aug 20244,6034,60112,16210,44226$76.68$1.99
Jul 20244,6934,67914,45412,47347$81.80$2.07
Jun 20244,8794,88914,36312,51818$79.77$2.54
May 20245,7035,69516,66714,65745$80.02$2.12
Apr 20244,9514,94213,33311,654133$85.35$1.60
Mar 20245,8985,92917,51215,294102$81.28$1.49
Feb 20246,4666,51217,04115,42458$77.25$1.72
Jan 20247,5277,55823,36821,438152$74.15$3.18
Dec 20239,4959,48029,47127,393100$71.90$2.52
Nov 202310,79310,80431,87329,72734$77.69$2.71
Oct 202315,65815,72141,13638,545101$85.64$2.98
Sep 202321,78221,81146,04643,48225$89.43$2.64
Aug 202327,50127,43747,53945,39167$81.39$2.58

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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