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Texas oil lease

Producing

ESSE-SMITH RANCH UNIT A

Esse-Smith Ranch Unit A is an oil lease in Atascosa County, Texas, operated by Marathon Oil Ef LLC in the Eagleville (Eagle Ford-1) field.

5 wells

15,594bbl oil, last 12 months−21% vs prior year
Operator
Marathon Oil Ef LLC
County
Atascosa County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-15650

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Where it sits

This county

Atascosa CountyAtascosaWilsonMedinaKarnesFrioBexarAtascosa County
Atascosa County
Gas, last 12 months
8,830 mcf
Oil in Jul 2026
2,097 bbl

Production by month

Oil output fell 21% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 21% over the last 12 monthsMonthly oil production and gas for ESSE-SMITH RANCH UNIT A, Aug 2023 to Jul 2026. Oil output fell 21% over the last 12 months. 15,594 bbl in the 12 months through Jul 2026, against 19,732 bbl in the 12 months before.Last 12 months: 15,594 bblbbl per monthmcf per month001,0001,0002,0002,0003,0003,0004,0004,0005,0005,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 21% over the last 12 monthsMonthly oil production and gas for ESSE-SMITH RANCH UNIT A, Aug 2023 to Jul 2026. Oil output fell 21% over the last 12 months. 15,594 bbl in the 12 months through Jul 2026, against 19,732 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001,0001,0002,0002,0003,0003,0004,0004,0005,0005,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

86% of the gas went to a processing plant in the last 12 months

Flaring peaked at 10.6% of the gas in Aug 2023.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
86% of the gas went to a processing plant in the last 12 monthsShare of ESSE-SMITH RANCH UNIT A gas by disposition code each month, Aug 2023 to Jul 2026. 86% of the gas went to a processing plant in the last 12 months. Flaring peaked at 10.6% of the gas in Aug 2023.Share of the lease’s gas by disposition code, per month0%50%100%Flared 10.6%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
86% of the gas went to a processing plant in the last 12 monthsShare of ESSE-SMITH RANCH UNIT A gas by disposition code each month, Aug 2023 to Jul 2026. 86% of the gas went to a processing plant in the last 12 months. Flaring peaked at 10.6% of the gas in Aug 2023.Share of gas by disposition code0%50%100%Flared 10.6%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    86% · 7,926 mcf

  • Lease fuel (1)

    13% · 1,199 mcf

  • Flared (4)

    1.5% · 137 mcf

1.5% of the gas flared in the last 12 months. 15 months above 3%.

5 wells on this lease

Wells on ESSE-SMITH RANCH UNIT A
API numberWell no.Status
42-013-343531HShut-in
42-013-348652HActive
42-013-348663HShut-in
42-013-348674HActive
42-013-348685HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCOilGathers25Jul 1, 2022–
Harvest Midstream CompanyOilGathers25Jul 1, 2022–
Reynolds Energy Transport LLCOilGathers25Jul 1, 2022–
Trafigura Trading LLCOilGathers25Jul 1, 2022–
Marathon Oil Ef LLCCasinghead gasBuys100May 3, 2012–
Marathon Oil Ef LLCCasinghead gasGathers100May 3, 2012–
Enterprise Crude Oil LLCOilGathers33Sep 6, 2018Jul 1, 2022
Gulfmark Energy, Inc.OilGathers34Sep 6, 2018Jul 1, 2022
Trafigura Trading LLCOilGathers33Sep 6, 2018Jul 1, 2022

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

Who buys my oilOil price check

430.49 acres on the newest permit

The wells on this lease state different acreage

The permits state between 360 and 430.49 acres.

Permits for Esse-Smith Ranch Unit A
API numberWell no.Acreson the permit
42-013-348652H430.49
42-013-348663H430.49
42-013-348674H430.49
42-013-348685H430.49
42-013-343531H360

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 ESSE-SMITH RANCH UNIT A
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20262,0972,1501,2921,11310$80.46$2.89
Jun 20262,3672,3521,2051,03813$84.81$3.15
May 20262,2942,2791,2461,09010$102.13$2.94
Apr 20261,6951,6418146998$100.32$2.77
Mar 202618918341360$91.38$3.04
Feb 202699110$64.51$3.62
Jan 2026024000$60.04$7.72
Dec 20251,1181,1386765784$57.97$4.26
Nov 20252,5562,5201,2551,0947$60.06$3.79
Oct 20254854861521302$60.89$3.19
Sep 202586087372560916$63.96$2.97
Aug 20251,9241,9181,4231,19751$64.86$2.91
Jul 20251,0351,04843234116$68.39$3.20
Jun 202593392282663454$68.17$3.02
May 20251,1281,15745036222$62.17$3.12
Apr 20252,5462,5762,0291,67353$63.54$3.42
Mar 20254,1184,0993,7243,005160$68.24$4.12
Feb 20252,9692,9401,9641,51963$71.53$4.19
Jan 20251,5141,52267152719$75.74$4.13
Dec 20242,4912,4751,8961,60540$70.12$3.01
Nov 20241,3911,38280667523$69.95$2.12
Oct 202483181935529811$71.99$2.20
Sep 2024010000$70.24$2.28
Aug 202477677550043815$76.68$1.99
Jul 20241,1391,1331,1221,00225$81.80$2.07
Jun 20245046172232006$79.77$2.54
May 20242,6302,6164,7943,267341$80.02$2.12
Apr 20243,4293,4323,8782,739234$85.35$1.60
Mar 20243,1943,1903,2122,40994$81.28$1.49
Feb 20242,8272,8173,0741,505165$77.25$1.72
Jan 20242,8322,8032,6691,269210$74.15$3.18
Dec 20232,5632,5732,4501,51077$71.90$2.52
Nov 20232,9022,9073,2412,15882$77.69$2.71
Oct 20233,5183,5053,8242,279146$85.64$2.98
Sep 20233,0072,9743,2962,357170$89.43$2.64
Aug 20232,0962,1042,8031,775297$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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This lease belongs to

OperatorMarathon Oil Ef LLCFieldEagleville (Eagle Ford-1)CountyAtascosa County

Marathon Oil Ef LLC in Atascosa County

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