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Texas oil lease

Producing

SHINER UNIT A

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

1 well

66bbl oil, last 12 months−13% vs prior year
RRC lease
02-10506

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Where it sits

This county

Lavaca CountyLavacaGonzalesFayetteCaldwellDe WittAustinWhartonColoradoJacksonLavaca County
Lavaca County
Gas, last 12 months
58 mcf
Oil in Jul 2026
7 bbl

Checks stopped on this lease?

  • Buyer

    Buyer changed: ENERGY TRANSFER COMPANY replaced MARATHON OIL EF LLC as the buyer of this lease's gas from oil wells on Sep 1, 2026.

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

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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 SHINER UNIT A, Aug 2023 to Jul 2026. Oil output fell 13% over the last 12 months. 66 bbl in the 12 months through Jul 2026, against 76 bbl in the 12 months before.Last 12 months: 66 bblbbl per monthmcf per month00510102015302040Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 13% over the last 12 monthsMonthly oil production and gas for SHINER UNIT A, Aug 2023 to Jul 2026. Oil output fell 13% over the last 12 months. 66 bbl in the 12 months through Jul 2026, against 76 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month00510102015302040Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

85% of the gas went to a processing plant in the last 12 months

Flaring peaked at 14.3% of the gas in Jul 2024.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
85% of the gas went to a processing plant in the last 12 monthsShare of SHINER UNIT A gas by disposition code each month, Aug 2023 to Jul 2026. 85% of the gas went to a processing plant in the last 12 months. Flaring peaked at 14.3% of the gas in Jul 2024.Share of the lease’s gas by disposition code, per month0%50%100%Flared 14.3%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
85% of the gas went to a processing plant in the last 12 monthsShare of SHINER UNIT A gas by disposition code each month, Aug 2023 to Jul 2026. 85% of the gas went to a processing plant in the last 12 months. Flaring peaked at 14.3% of the gas in Jul 2024.Share of gas by disposition code0%50%100%Flared 14.3%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    85% · 66 mcf

  • Lease fuel (1)

    15% · 12 mcf

1 well on this lease

Wells on SHINER UNIT A
API numberWell no.Status
42-285-336831HActive

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–
Energy Transfer CompanyCasinghead gasBuys100Sep 1, 2026–
Ensign Natural Resources II LLCCasinghead gasGathers100Sep 1, 2026–
Marathon Oil Ef LLCCasinghead gasGathers100Apr 12, 2013Sep 1, 2026
Marathon Oil Ef LLCCasinghead gasBuys100Apr 12, 2013Sep 1, 2026
Enterprise Crude Oil LLCOilGathers50Jun 1, 2020Sep 1, 2026
Pilot Travel Centers LLCOilGathers50Jun 1, 2020Sep 1, 2026
Enterprise Crude Oil LLCOilGathers97Mar 1, 2019Jun 1, 2020
Gulfmark Energy, Inc.OilGathers1Mar 1, 2019Jun 1, 2020

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

247.28 acres on the newest permit

Permits for Shiner Unit A
API numberWell no.Acreson the permit
42-285-336831H247.28

SourceRailroad Commission drilling permits, Sep 26, 2026 (source 1, source 2).

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 SHINER UNIT A
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202677650$80.46$2.89
Jun 202600000$84.81$3.15
May 202699870$102.13$2.94
Apr 202600000$100.32$2.77
Mar 202699870$91.38$3.04
Feb 202600000$64.51$3.62
Jan 20261010650$60.04$7.72
Dec 202577540$57.97$4.26
Nov 202566760$60.06$3.79
Oct 2025881080$60.89$3.19
Sep 202500000$63.96$2.97
Aug 20251010870$64.86$2.91
Jul 202566540$68.39$3.20
Jun 202555430$68.17$3.02
May 202501000$62.17$3.12
Apr 20251514980$63.54$3.42
Mar 202566220$68.24$4.12
Feb 202500000$71.53$4.19
Jan 20257726230$75.74$4.13
Dec 202400000$70.12$3.01
Nov 202477760$69.95$2.12
Oct 2024101011100$71.99$2.20
Sep 2024101018151$70.24$2.28
Aug 20241010550$76.68$1.99
Jul 202488761$81.80$2.07
Jun 202466330$79.77$2.54
May 20241010650$80.02$2.12
Apr 2024910760$85.35$1.60
Mar 20241515980$81.28$1.49
Feb 20241413660$77.25$1.72
Jan 202400000$74.15$3.18
Dec 202300000$71.90$2.52
Nov 20231010770$77.69$2.71
Oct 202399880$85.64$2.98
Sep 20231010660$89.43$2.64
Aug 202300000$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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Marathon Oil Ef LLC in Lavaca County

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