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ERNST UNIT D LAS

Ernst Unit D 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

1,385bbl oil, last 12 months+172% vs prior year
Operator
Ineos USA Oil & Gas LLC
County
La Salle County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-16228

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Where it sits

This county

La Salle CountyLa SalleZavalaAtascosaMcMullenDimmitFrioLa Salle County
La Salle County
Gas, last 12 months
19,988 mcf
Oil in Jul 2026
112 bbl

Production by month

Oil output rose 172% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 172% over the last 12 monthsMonthly oil production and gas for ERNST UNIT D LAS, Aug 2023 to Jul 2026. Oil output rose 172% over the last 12 months. 1,385 bbl in the 12 months through Jul 2026, against 509 bbl in the 12 months before.Last 12 months: 1,385 bblbbl per monthmcf per month00505001001,0001501,5002002,0002502,500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 172% over the last 12 monthsMonthly oil production and gas for ERNST UNIT D LAS, Aug 2023 to Jul 2026. Oil output rose 172% over the last 12 months. 1,385 bbl in the 12 months through Jul 2026, against 509 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month00505001001,0001501,5002002,0002502,500Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

85% of the gas went to a transmission line in the last 12 months

Flaring peaked at 6.4% of the gas in Aug 2025.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
85% of the gas went to a transmission line in the last 12 monthsShare of ERNST UNIT D LAS gas by disposition code each month, Aug 2023 to Jul 2026. 85% of the gas went to a transmission line in the last 12 months. Flaring peaked at 6.4% of the gas in Aug 2025.Share of the lease’s gas by disposition code, per month0%50%100%Flared 6.4%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
85% of the gas went to a transmission line in the last 12 monthsShare of ERNST UNIT D LAS gas by disposition code each month, Aug 2023 to Jul 2026. 85% of the gas went to a transmission line in the last 12 months. Flaring peaked at 6.4% of the gas in Aug 2025.Share of gas by disposition code0%50%100%Flared 6.4%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    85% · 17,081 mcf

  • Lease fuel (1)

    12% · 2,442 mcf

  • Flared (4)

    2.3% · 465 mcf

2.3% 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 D LAS
API numberWell no.Status
42-283-331663HActive

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).

Who buys my oilOil price check

343.37 acres on the newest permit

Check your decimal on this lease
Permits for Ernst Unit D Las
API numberWell no.Acreson the permit
42-283-331663H343.37

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for ERNST UNIT D LAS
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Ineos USA1121502,0471,78711$80.46$2.89
Jun 2026Ineos USA124532,4612,13882$84.81$3.15
May 2026Ineos USA1112782,3572,03771$102.13$2.94
Apr 2026Ineos USA13342,0261,72065$100.32$2.77
Mar 2026Ineos USA1311742,1591,84070$91.38$3.04
Feb 2026Ineos USA1271732,2671,96874$64.51$3.62
Jan 2026Ineos USA13121,7941,5432$60.04$7.72
Dec 2025Ineos USA1313161,3001,0456$57.97$4.26
Nov 2025Ineos USA11011,3201,0763$60.06$3.79
Oct 2025Ineos USA931601,13685730$60.89$3.19
Sep 2025Ineos USA1059759257517$63.96$2.97
Aug 2025Ineos USA777452949534$64.86$2.91
Jul 2025Ineos USA841045515510$68.39$3.20
Jun 2025Ineos USA83475235230$68.17$3.02
May 2025Ineos USA61393313310$62.17$3.12
Apr 2025Ineos USA19442322320$63.54$3.42
Mar 2025Ineos USA4103373370$68.24$4.12
Feb 2025Ineos USA27224544540$71.53$4.19
Jan 2025Ineos USA00000$75.74$4.13
Dec 2024Ineos USA00110$70.12$3.01
Nov 2024Ineos USA16841361360$69.95$2.12
Oct 2024Ineos USA6724034030$71.99$2.20
Sep 2024Ineos USA602261,2791,2781$70.24$2.28
Aug 2024Ineos USA11201,5251,5241$76.68$1.99
Jul 2024Ineos USA17102,0632,0630$81.80$2.07
Jun 2024Ineos USA3033893890$79.77$2.54
May 2024Ineos USA2051562,0532,03221$80.02$2.12
Apr 2024Ineos USA001211210$85.35$1.60
Mar 2024Ineos USA003653650$81.28$1.49
Feb 2024Ineos USA007767760$77.25$1.72
Jan 2024Ineos USA0025250$74.15$3.18
Dec 2023Ineos USA0039390$71.90$2.52
Nov 2023Ineos USA2803583580$77.69$2.71
Oct 2023Ineos USA10000$85.64$2.98
Sep 2023Ineos USA003023020$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 Oct 2, 2026.

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This lease belongs to

OperatorIneos USA Oil & Gas LLCFieldEagleville (Eagle Ford-1)CountyLa Salle County

Ineos USA Oil & Gas LLC in La Salle County

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