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Texas oil lease

Producing

COOK UNIT A LAS

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

2 wells

7,245bbl 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
01-15797

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Where it sits

This county

LA Salle CountyLA SalleZavalaAtascosaMcMullenDimmitFrioLA Salle County
LA Salle County
Gas, last 12 months
19,445 mcf
Oil in Jul 2026
452 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 COOK UNIT A LAS, Aug 2023 to Jul 2026. Oil output fell 12% over the last 12 months. 7,245 bbl in the 12 months through Jul 2026, against 8,223 bbl in the 12 months before.Last 12 months: 7,245 bblbbl per monthmcf per month002505005001,0007501,5001,0002,0001,2502,500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 12% over the last 12 monthsMonthly oil production and gas for COOK UNIT A LAS, Aug 2023 to Jul 2026. Oil output fell 12% over the last 12 months. 7,245 bbl in the 12 months through Jul 2026, against 8,223 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002505005001,0007501,5001,0002,0001,2502,500Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

84% of the gas went to a transmission line in the last 12 months

Flaring peaked at 16.8% of the gas in Jan 2024.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
84% of the gas went to a transmission line in the last 12 monthsShare of COOK UNIT A LAS gas by disposition code each month, Aug 2023 to Jul 2026. 84% of the gas went to a transmission line in the last 12 months. Flaring peaked at 16.8% of the gas in Jan 2024.Share of the lease’s gas by disposition code, per month0%50%100%Flared 16.8%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
84% of the gas went to a transmission line in the last 12 monthsShare of COOK UNIT A LAS gas by disposition code each month, Aug 2023 to Jul 2026. 84% of the gas went to a transmission line in the last 12 months. Flaring peaked at 16.8% of the gas in Jan 2024.Share of gas by disposition code0%50%100%Flared 16.8%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    84% · 16,316 mcf

  • Lease fuel (1)

    13% · 2,596 mcf

  • Flared (4)

    2.7% · 533 mcf

2.7% of the gas flared in the last 12 months. 11 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.

2 wells on this lease

Wells on COOK UNIT A LAS
API numberWell no.Status
42-283-327824HShut-in
42-283-346415HActive

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.OilGathers100Apr 28, 2023Nov 1, 2023
Chesapeake Energy Mktg, L.l.c.OilGathers90Jan 1, 2023Apr 28, 2023
Plains Marketing, L.p.OilGathers10Jan 1, 2023Apr 28, 2023
Chesapeake Energy Mktg, L.l.c.OilGathers100Sep 1, 2015Jan 1, 2023

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

Who buys my oilOil price check

105.18 acres on the newest permit

A pooling certificate was filed

The wells on this lease state different acreage

The permits state between 105.18 and 295.79 acres.

Permits for Cook Unit A Las
API numberWell no.Acreson the permit
42-283-346415H105.18
42-283-327824H295.79

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

Unit decimal checker

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36 months, newest first

Ledger for COOK UNIT A LAS
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Ineos USA4524351,9931,70046$80.46$2.89
Jun 2026Ineos USA5415261,7671,48855$84.81$3.15
May 2026Ineos USA5214922,2761,94568$102.13$2.94
Apr 2026Ineos USA4985532,1741,81667$100.32$2.77
Mar 2026Ineos USA6155792,1771,85237$91.38$3.04
Feb 2026Ineos USA5465801,15589733$64.51$3.62
Jan 2026Ineos USA7217001,3551,1157$60.04$7.72
Dec 2025Ineos USA6676931,3161,0905$57.97$4.26
Nov 2025Ineos USA6736921,8181,52710$60.06$3.79
Oct 2025Ineos USA6506081,4471,15476$60.89$3.19
Sep 2025Ineos USA6717041,2661,13954$63.96$2.97
Aug 2025Ineos USA69068370159375$64.86$2.91
Jul 2025Ineos USA7607657236870$68.39$3.20
Jun 2025Ineos USA7467025355051$68.17$3.02
May 2025Ineos USA9079456536160$62.17$3.12
Apr 2025Ineos USA1,1161,1233283080$63.54$3.42
Mar 2025Ineos USA77467277730$68.24$4.12
Feb 2025Ineos USA2727000$71.53$4.19
Jan 2025Ineos USA29338630280$75.74$4.13
Dec 2024Ineos USA7017049078460$70.12$3.01
Nov 2024Ineos USA7417196966420$69.95$2.12
Oct 2024Ineos USA7206995314810$71.99$2.20
Sep 2024Ineos USA6857069348750$70.24$2.28
Aug 2024Ineos USA7537837707160$76.68$1.99
Jul 2024Ineos USA7607278928390$81.80$2.07
Jun 2024Ineos USA7587544674420$79.77$2.54
May 2024Ineos USA8348917596768$80.02$2.12
Apr 2024Ineos USA7567434824490$85.35$1.60
Mar 2024Ineos USA9009187076689$81.28$1.49
Feb 2024Ineos USA99096664057847$77.25$1.72
Jan 2024Ineos USA97389227320146$74.15$3.18
Dec 2023Ineos USA3584131399817$71.90$2.52
Nov 2023Ineos USA5375251,06172425$77.69$2.71
Oct 2023Ineos USA74177199996435$85.64$2.98
Sep 2023Ineos USA8548501,0491,00940$89.43$2.64
Aug 2023Ineos USA75393386983435$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

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

Ineos USA Oil & Gas LLC in LA Salle County

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