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Texas oil lease

Producing

ERNST UNIT B LAS

Ernst Unit B Las is an oil lease in LA Salle County, Texas, operated by Ineos USA Oil & Gas LLC in the Eagleville (Eagle Ford-1) field.

1 well

1,588bbl oil, last 12 months+82% vs prior year
RRC lease
01-16496

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Where it sits

This county

LA Salle CountyLA SalleZavalaAtascosaMcMullenDimmitFrioLA Salle County
LA Salle County
Gas, last 12 months
14,927 mcf
Oil in Jul 2026
159 bbl

Production by month

Oil output rose 82% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 82% over the last 12 monthsMonthly oil production and gas for ERNST UNIT B LAS, Aug 2023 to Jul 2026. Oil output rose 82% over the last 12 months. 1,588 bbl in the 12 months through Jul 2026, against 874 bbl in the 12 months before.Last 12 months: 1,588 bblbbl per monthmcf per month00501,0001002,0001503,0002004,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 82% over the last 12 monthsMonthly oil production and gas for ERNST UNIT B LAS, Aug 2023 to Jul 2026. Oil output rose 82% over the last 12 months. 1,588 bbl in the 12 months through Jul 2026, against 874 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month00501,0001002,0001503,0002004,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Jan 2026 the lease's gas goes to a transmission line instead of lease fuel

Flaring peaked at 6.2% of the gas in Sep 2025.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Jan 2026 the lease's gas goes to a transmission line instead of lease fuelShare of ERNST UNIT B LAS gas by disposition code each month, Aug 2023 to Jul 2026. Since Jan 2026 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 6.2% of the gas in Sep 2025.Share of the lease’s gas by disposition code, per month0%50%100%Jan 2026: fuel to lineFlared 6.2%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Jan 2026 the lease's gas goes to a transmission line instead of lease fuelShare of ERNST UNIT B LAS gas by disposition code each month, Aug 2023 to Jul 2026. Since Jan 2026 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 6.2% of the gas in Sep 2025.Share of gas by disposition code0%50%100%Jan 26: fuel to lineFlared 6.2%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    81% · 12,085 mcf

  • Lease fuel (1)

    16% · 2,442 mcf

  • Flared (4)

    2.7% · 400 mcf

2.7% of the gas flared in the last 12 months. 6 months above 3%.

Who has run this lease

The operator changed once, most recently in Apr 2023

Operators of this lease over timeChesapeake Operating, L.L.C., Jan 2020 to Mar 2023; Ineos USA Oil & Gas LLC, Apr 2023 to Jul 20262020202120222023202420252026Changed Apr 2023Chesapeake Operating, L.L.C.Jan 2020 to Mar 2023Ineos USA Oil & Gas LLCApr 2023 to now
Operators of this lease over timeChesapeake Operating, L.L.C., Jan 2020 to Mar 2023; Ineos USA Oil & Gas LLC, Apr 2023 to Jul 20262020202120222023202420252026Changed Apr 2023Chesapeake Operating, L.L.C.Jan 2020 to Mar 2023Ineos USA Oil & Gas LLCApr 2023 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on ERNST UNIT B LAS
API numberWell no.Status
42-283-331652HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Ineos Energy Marketing USA LLCOilGathers100Nov 1, 2023–
Ineos Energy Marketing USA LLCCasinghead gasBuys100Nov 1, 2023–
Williams Mlp Operating LLCCasinghead gasGathers100Oct 1, 2015–
Chesapeake Energy Mktg, L.l.c.Casinghead gasBuys100Sep 1, 2015Nov 1, 2023
Chesapeake Energy Mktg, L.l.c.OilGathers100Sep 1, 2015Nov 1, 2023

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

296.64 acres on the newest permit

Permits for Ernst Unit B Las
API numberWell no.Acreson the permit
42-283-331652H296.64

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

Estimate your royalty

36 months, newest first

Ledger for ERNST UNIT B LAS
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Ineos USA1591731,7621,49716$80.46$2.89
Jun 2026Ineos USA1881381,6301,33950$84.81$3.15
May 2026Ineos USA1232402,5182,18980$102.13$2.94
Apr 2026Ineos USA1751681,7641,46459$100.32$2.77
Mar 2026Ineos USA1861791,6981,39950$91.38$3.04
Feb 2026Ineos USA1631701,4851,19565$64.51$3.62
Jan 2026Ineos USA12106914402$60.04$7.72
Dec 2025Ineos USA852184662152$57.97$4.26
Nov 2025Ineos USA9906173742$60.06$3.79
Oct 2025Ineos USA1271381,13387113$60.89$3.19
Sep 2025Ineos USA979266162041$63.96$2.97
Aug 2025Ineos USA658950248220$64.86$2.91
Jul 2025Ineos USA127861,0581,0571$68.39$3.20
Jun 2025Ineos USA31743033030$68.17$3.02
May 2025Ineos USA781175275270$62.17$3.12
Apr 2025Ineos USA1301198458450$63.54$3.42
Mar 2025Ineos USA6202922920$68.24$4.12
Feb 2025Ineos USA1641408358350$71.53$4.19
Jan 2025Ineos USA130550$75.74$4.13
Dec 2024Ineos USA00000$70.12$3.01
Nov 2024Ineos USA127724240$69.95$2.12
Oct 2024Ineos USA6810982820$71.99$2.20
Sep 2024Ineos USA175967947940$70.24$2.28
Aug 2024Ineos USA1404544540$76.68$1.99
Jul 2024Ineos USA002392390$81.80$2.07
Jun 2024Ineos USA002142140$79.77$2.54
May 2024Ineos USA571139639549$80.02$2.12
Apr 2024Ineos USA701594074070$85.35$1.60
Mar 2024Ineos USA9005195145$81.28$1.49
Feb 2024Ineos USA1921861,1551,1532$77.25$1.72
Jan 2024Ineos USA00000$74.15$3.18
Dec 2023Ineos USA0186000$71.90$2.52
Nov 2023Ineos USA9005595581$77.69$2.71
Oct 2023Ineos USA00000$85.64$2.98
Sep 2023Ineos USA10309269251$89.43$2.64
Aug 2023Ineos USA00000$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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Eagleville (Eagle Ford-1) field

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