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Texas oil lease

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CASTO UNIT II LAS

Casto Unit II 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

4,846bbl oil, last 12 months−12% vs prior year
Operator
Ineos USA Oil & Gas LLC
County
La Salle County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-16704

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Where it sits

This county

La Salle CountyLa SalleZavalaAtascosaMcMullenDimmitFrioLa Salle County
La Salle County
Gas, last 12 months
8,611 mcf
Oil in Jul 2026
420 bbl

Production by month

Oil output fell 12% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 12% over the last 12 monthsMonthly oil production and gas for CASTO UNIT II LAS, Aug 2023 to Jul 2026. Oil output fell 12% over the last 12 months. 4,846 bbl in the 12 months through Jul 2026, against 5,516 bbl in the 12 months before.Last 12 months: 4,846 bblbbl per monthmcf per month002002504005006007508001,0001,0001,250Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 12% over the last 12 monthsMonthly oil production and gas for CASTO UNIT II LAS, Aug 2023 to Jul 2026. Oil output fell 12% over the last 12 months. 4,846 bbl in the 12 months through Jul 2026, against 5,516 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002002504005006007508001,0001,0001,250Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

Flaring peaked at 100.0% of the gas in Sep 2023.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Jun 2026 the lease's gas goes to lease fuel instead of a transmission lineShare of CASTO UNIT II LAS gas by disposition code each month, Aug 2023 to Jul 2026. Since Jun 2026 the lease's gas goes to lease fuel instead of a transmission line. Flaring peaked at 100.0% of the gas in Sep 2023.Share of the lease’s gas by disposition code, per month0%50%100%Jun 2026: line to fuelFlared 100.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Jun 2026 the lease's gas goes to lease fuel instead of a transmission lineShare of CASTO UNIT II LAS gas by disposition code each month, Aug 2023 to Jul 2026. Since Jun 2026 the lease's gas goes to lease fuel instead of a transmission line. Flaring peaked at 100.0% of the gas in Sep 2023.Share of gas by disposition code0%50%100%Jun 26: line to fuelFlared 100.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    69% · 5,975 mcf

  • Lease fuel (1)

    28% · 2,442 mcf

  • Flared (4)

    2.3% · 194 mcf

2.3% of the gas flared in the last 12 months. 12 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 CASTO UNIT II LAS
API numberWell no.Status
42-283-33435A 4HActive

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 gasGathers100Jan 1, 2018–
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

218.23 acres on the newest permit

Check your decimal on this lease
Permits for Casto Unit II Las
API numberWell no.Acreson the permit
42-283-33435A 4H218.23

SourceRailroad Commission drilling permits, Oct 3, 2026 (source 1, source 2).

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36 months, newest first

Ledger for CASTO UNIT II LAS
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Ineos USA42041125607$80.46$2.89
Jun 2026Ineos USA390383298507$84.81$3.15
May 2026Ineos USA41044588961327$102.13$2.94
Apr 2026Ineos USA45249995668530$100.32$2.77
Mar 2026Ineos USA32033877351113$91.38$3.04
Feb 2026Ineos USA35333556130432$64.51$3.62
Jan 2026Ineos USA3184086223694$60.04$7.72
Dec 2025Ineos USA4493201,0407883$57.97$4.26
Nov 2025Ineos USA4173961,0738284$60.06$3.79
Oct 2025Ineos USA44953088161715$60.89$3.19
Sep 2025Ineos USA42837739036723$63.96$2.97
Aug 2025Ineos USA44037987284329$64.86$2.91
Jul 2025Ineos USA5034909259250$68.39$3.20
Jun 2025Ineos USA3853916266260$68.17$3.02
May 2025Ineos USA4995796056050$62.17$3.12
Apr 2025Ineos USA4723787047040$63.54$3.42
Mar 2025Ineos USA4334484884880$68.24$4.12
Feb 2025Ineos USA4584916146140$71.53$4.19
Jan 2025Ineos USA4514576926920$75.74$4.13
Dec 2024Ineos USA4444105305300$70.12$3.01
Nov 2024Ineos USA4475485955950$69.95$2.12
Oct 2024Ineos USA4774754394390$71.99$2.20
Sep 2024Ineos USA5223985855850$70.24$2.28
Aug 2024Ineos USA4254744724720$76.68$1.99
Jul 2024Ineos USA5945978528520$81.80$2.07
Jun 2024Ineos USA5835564934930$79.77$2.54
May 2024Ineos USA4256085325284$80.02$2.12
Apr 2024Ineos USA6085575365360$85.35$1.60
Mar 2024Ineos USA6016381831803$81.28$1.49
Feb 2024Ineos USA324275574215$77.25$1.72
Jan 2024Ineos USA355204675116$74.15$3.18
Dec 2023Ineos USA48655443140922$71.90$2.52
Nov 2023Ineos USA51253243641323$77.69$2.71
Oct 2023Ineos USA419343303$85.64$2.98
Sep 2023Ineos USA56468143043$89.43$2.64
Aug 2023Ineos USA41835253350033$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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Eagleville (Eagle Ford-1) field

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