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Texas oil lease

Producing

COOK UNIT III LAS

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

3 wells

15,690bbl oil, last 12 months+7% vs prior year
Operator
Ineos USA Oil & Gas LLC
County
La Salle County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-18247

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Where it sits

This county

La Salle CountyLa SalleZavalaAtascosaMcMullenDimmitFrioLa Salle County
La Salle County
Gas, last 12 months
17,080 mcf
Oil in Jul 2026
1,307 bbl

Production by month

Oil output rose 7% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 7% over the last 12 monthsMonthly oil production and gas for COOK UNIT III LAS, Aug 2023 to Jul 2026. Oil output rose 7% over the last 12 months. 15,690 bbl in the 12 months through Jul 2026, against 14,675 bbl in the 12 months before.Last 12 months: 15,690 bblbbl per monthmcf per month005001,0001,0002,0001,5003,0002,0004,0002,5005,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 7% over the last 12 monthsMonthly oil production and gas for COOK UNIT III LAS, Aug 2023 to Jul 2026. Oil output rose 7% over the last 12 months. 15,690 bbl in the 12 months through Jul 2026, against 14,675 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005001,0001,0002,0001,5003,0002,0004,0002,5005,000Jan 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 8.4% of the gas in Oct 2025.

  • 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 III 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 8.4% of the gas in Oct 2025.Share of the lease’s gas by disposition code, per month0%50%100%Flared 8.4%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
84% of the gas went to a transmission line in the last 12 monthsShare of COOK UNIT III 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 8.4% of the gas in Oct 2025.Share of gas by disposition code0%50%100%Flared 8.4%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    84% · 14,273 mcf

  • Lease fuel (1)

    12% · 2,124 mcf

  • Flared (4)

    4.0% · 683 mcf

4.0% of the gas flared in the last 12 months. 16 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.

3 wells on this lease

Wells on COOK UNIT III LAS
API numberWell no.Status
42-283-34886A 1HActive
42-283-34887A 3HActive
42-283-34888A 2HShut-in

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

233.03 acres on the newest permit

  • Good to know

    A pooling certificate (P-12) was filed

    Your tract may share its production with neighbors in a pooled unit. The unit acres the operator uses to divide production can differ from the acreage on one permit.

Check your decimal on this lease
Permits for Cook Unit III Las
API numberWell no.Acreson the permit
42-283-34886A 1H233.03
42-283-34887A 3H233.03
42-283-34888A 2H233.03

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

Unit decimal checker

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36 months, newest first

Ledger for COOK UNIT III LAS
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Ineos USA1,3071,2442,0581,74364$80.46$2.89
Jun 2026Ineos USA1,4131,3582,0551,72962$84.81$3.15
May 2026Ineos USA1,7661,7752,3712,01486$102.13$2.94
Apr 2026Ineos USA1,8721,9061,4951,24651$100.32$2.77
Mar 2026Ineos USA1,2921,1761,2941,05863$91.38$3.04
Feb 2026Ineos USA1,0641,10495371852$64.51$3.62
Jan 2026Ineos USA1,1701,1759237575$60.04$7.72
Dec 2025Ineos USA1,1591,1968166625$57.97$4.26
Nov 2025Ineos USA1,1591,1709277775$60.06$3.79
Oct 2025Ineos USA1,1851,1631,16990198$60.89$3.19
Sep 2025Ineos USA1,0991,0821,4251,245100$63.96$2.97
Aug 2025Ineos USA1,2041,2161,5941,42392$64.86$2.91
Jul 2025Ineos USA1,1751,1871,4241,3531$68.39$3.20
Jun 2025Ineos USA1,1191,0351,3981,3211$68.17$3.02
May 2025Ineos USA1,1391,1531,5371,4501$62.17$3.12
Apr 2025Ineos USA1,0231,1571,4841,3940$63.54$3.42
Mar 2025Ineos USA1,0249321,0389720$68.24$4.12
Feb 2025Ineos USA9149801,0619911$71.53$4.19
Jan 2025Ineos USA1,5461,5412,7332,5480$75.74$4.13
Dec 2024Ineos USA1,5071,4981,7711,6531$70.12$3.01
Nov 2024Ineos USA1,0611,0101,4351,3091$69.95$2.12
Oct 2024Ineos USA1,3051,3432,5932,3711$71.99$2.20
Sep 2024Ineos USA1,4181,3772,1942,0271$70.24$2.28
Aug 2024Ineos USA1,4441,5071,7831,6621$76.68$1.99
Jul 2024Ineos USA1,4671,4131,6751,5751$81.80$2.07
Jun 2024Ineos USA1,3731,3421,8741,7641$79.77$2.54
May 2024Ineos USA1,5271,6301,7561,57718$80.02$2.12
Apr 2024Ineos USA1,4171,3971,5821,4751$85.35$1.60
Mar 2024Ineos USA1,5341,5101,6821,59418$81.28$1.49
Feb 2024Ineos USA1,5301,4941,5711,46272$77.25$1.72
Jan 2024Ineos USA2,0952,1201,8721,46599$74.15$3.18
Dec 2023Ineos USA1,1091,16895760652$71.90$2.52
Nov 2023Ineos USA1,5231,4511,24476772$77.69$2.71
Oct 2023Ineos USA1,4601,5151,04497668$85.64$2.98
Sep 2023Ineos USA1,6321,6351,06999178$89.43$2.64
Aug 2023Ineos USA1,5491,54194987673$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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Nearby

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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