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Texas oil lease

Producing

TRIAL UNIT

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

5 wells

15,360bbl oil, last 12 months−13% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-11269

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
13,354 mcf
Oil in Jul 2026
719 bbl

Production by month

Oil output fell 13% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 13% over the last 12 monthsMonthly oil production and gas for TRIAL UNIT, Aug 2023 to Jul 2026. Oil output fell 13% over the last 12 months. 15,360 bbl in the 12 months through Jul 2026, against 17,581 bbl in the 12 months before.Last 12 months: 15,360 bblbbl per monthmcf per month001,0001,0002,0002,0003,0003,0004,0004,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 13% over the last 12 monthsMonthly oil production and gas for TRIAL UNIT, Aug 2023 to Jul 2026. Oil output fell 13% over the last 12 months. 15,360 bbl in the 12 months through Jul 2026, against 17,581 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001,0001,0002,0002,0003,0003,0004,0004,000Jan 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 22.3% 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 TRIAL UNIT 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 22.3% of the gas in Jan 2024.Share of the lease’s gas by disposition code, per month0%50%100%Mar 2024: fuel to plantFlared 22.3%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Mar 2024 the lease's gas goes to a processing plant instead of lease fuelShare of TRIAL UNIT 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 22.3% of the gas in Jan 2024.Share of gas by disposition code0%50%100%Mar 24: fuel to plantFlared 22.3%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    81% · 10,766 mcf

  • Lease fuel (1)

    18% · 2,466 mcf

  • Flared (4)

    0.9% · 122 mcf

0.9% of the gas flared in the last 12 months. 12 months above 3%.

5 wells on this lease

Wells on TRIAL UNIT
API numberWell no.Status
42-255-349471HShut-in
42-255-34948501HShut-in
42-255-34949502HActive
42-255-349502HActive
42-255-355943HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Valero Marketing and Supply Co.OilGathers75Sep 9, 2016
Harvest Midstream CompanyOilGathers20Sep 1, 2018
Statewide Crude Inc.OilGathers2Aug 30, 2017
Marathon Oil Ef LLCOilGathers1Sep 9, 2016
Shell Trading (Us) CompanyOilGathers1Aug 30, 2017
Trafigura Trading LLCOilGathers1Aug 30, 2017
Marathon Oil Ef LLCCasinghead gasBuys100Sep 9, 2016
Marathon Oil Ef LLCCasinghead gasGathers100Sep 9, 2016

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

Who buys my oilOil price check

196.68 acres on the newest permit

Permits for Trial Unit
API numberWell no.Acreson the permit
42-255-355943H196.68
42-255-349471H196.78
42-255-34948501H196.78
42-255-34949502H196.78
42-255-349502H196.78

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 TRIAL UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20267197287005652$80.46$2.89
Jun 20261,5801,5842,0931,69812$84.81$3.15
May 20262,0282,0251,13590821$102.13$2.94
Apr 20261,1301,12781863919$100.32$2.77
Mar 20261,4601,4571,11887915$91.38$3.04
Feb 20261,5341,52799880012$64.51$3.62
Jan 20268348457596078$60.04$7.72
Dec 20251,6581,6461,9091,53416$57.97$4.26
Nov 20259819819417713$60.06$3.79
Oct 20251,3251,3288627185$60.89$3.19
Sep 20251,0251,0271,0929023$63.96$2.97
Aug 20251,0861,0879297456$64.86$2.91
Jul 20251,4741,4681,7361,3699$68.39$3.20
Jun 20251,0391,0361,0548463$68.17$3.02
May 20256526514913971$62.17$3.12
Apr 20256556585324312$63.54$3.42
Mar 20251,0771,0818927312$68.24$4.12
Feb 20251,0501,0478787283$71.53$4.19
Jan 20251,2901,2911,0038255$75.74$4.13
Dec 20241,3861,3889227552$70.12$3.01
Nov 20242,4162,4121,4371,1994$69.95$2.12
Oct 20241,4291,4351,0238563$71.99$2.20
Sep 20242,1272,1341,7521,4783$70.24$2.28
Aug 20242,9863,0002,8552,3789$76.68$1.99
Jul 20243,3113,3093,0652,228134$81.80$2.07
Jun 20242,9442,9492,5361,874179$79.77$2.54
May 20243,0052,9922,8482,253178$80.02$2.12
Apr 20242,2442,2412,2681,754181$85.35$1.60
Mar 20241,7451,7372,3691,866106$81.28$1.49
Feb 20248698711,255515187$77.25$1.72
Jan 20241,0741,0721,461526326$74.15$3.18
Dec 20239139121,09054691$71.90$2.52
Nov 20231,0471,0461,356557196$77.69$2.71
Oct 20231,1321,1511,723836149$85.64$2.98
Sep 20232,8952,8972,5461,663191$89.43$2.64
Aug 20232,8332,8293,0022,083162$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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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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