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Texas oil lease

Producing

ZAMORA WEST UNIT LAS

Zamora West Unit 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

2,073bbl oil, last 12 months−18% vs prior year
RRC lease
01-16175

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Where it sits

This county

La Salle CountyLa SalleZavalaAtascosaMcMullenDimmitFrioLa Salle County
La Salle County
Gas, last 12 months
10,481 mcf
Oil in Jul 2026
213 bbl

Production by month

Oil output fell 18% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 18% over the last 12 monthsMonthly oil production and gas for ZAMORA WEST UNIT LAS, Aug 2023 to Jul 2026. Oil output fell 18% over the last 12 months. 2,073 bbl in the 12 months through Jul 2026, against 2,523 bbl in the 12 months before.Last 12 months: 2,073 bblbbl per monthmcf per month002501,0005002,0007503,0001,0004,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 18% over the last 12 monthsMonthly oil production and gas for ZAMORA WEST UNIT LAS, Aug 2023 to Jul 2026. Oil output fell 18% over the last 12 months. 2,073 bbl in the 12 months through Jul 2026, against 2,523 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002501,0005002,0007503,0001,0004,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

98% of the gas went to a transmission line in the last 12 months

Flaring peaked at 15.3% of the gas in Sep 2025.

  • Transmission line (2)
  • Flared (4)
98% of the gas went to a transmission line in the last 12 monthsShare of ZAMORA WEST UNIT LAS gas by disposition code each month, Aug 2023 to Jul 2026. 98% of the gas went to a transmission line in the last 12 months. Flaring peaked at 15.3% of the gas in Sep 2025.Share of the lease’s gas by disposition code, per month0%50%100%Flared 15.3%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
98% of the gas went to a transmission line in the last 12 monthsShare of ZAMORA WEST UNIT LAS gas by disposition code each month, Aug 2023 to Jul 2026. 98% of the gas went to a transmission line in the last 12 months. Flaring peaked at 15.3% of the gas in Sep 2025.Share of gas by disposition code0%50%100%Flared 15.3%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    98% · 11,340 mcf

  • Flared (4)

    2.4% · 276 mcf

2.4% 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 ZAMORA WEST UNIT LAS
API numberWell no.Status
42-283-331121HActive

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).

317.11 acres on the newest permit

Permits for Zamora West Unit Las
API numberWell no.Acreson the permit
42-283-331121H317.11

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

Estimate your royalty

36 months, newest first

Ledger for ZAMORA WEST UNIT LAS
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Ineos USA2132381,3221,30121$80.46$2.89
Jun 2026Ineos USA13416872970722$84.81$3.15
May 2026Ineos USA1648997794532$102.13$2.94
Apr 2026Ineos USA19925683981227$100.32$2.77
Mar 2026Ineos USA17115674372221$91.38$3.04
Feb 2026Ineos USA16125479875741$64.51$3.62
Jan 2026Ineos USA2991691,3471,32225$60.04$7.72
Dec 2025Ineos USA1201677427384$57.97$4.26
Nov 2025Ineos USA3843171,6561,6560$60.06$3.79
Oct 2025Ineos USA00000$60.89$3.19
Sep 2025Ineos USA5516830726047$63.96$2.97
Aug 2025Ineos USA1731751,02198536$64.86$2.91
Jul 2025Ineos USA1743571,1351,1350$68.39$3.20
Jun 2025Ineos USA14309219210$68.17$3.02
May 2025Ineos USA6601,0461,0460$62.17$3.12
Apr 2025Ineos USA2233611,8351,8341$63.54$3.42
Mar 2025Ineos USA2193231,6361,6360$68.24$4.12
Feb 2025Ineos USA2603691,2411,2410$71.53$4.19
Jan 2025Ineos USA15704804791$75.74$4.13
Dec 2024Ineos USA3081821,5721,5702$70.12$3.01
Nov 2024Ineos USA2161631,3741,3740$69.95$2.12
Oct 2024Ineos USA1451721,7661,7642$71.99$2.20
Sep 2024Ineos USA2973171,8171,8161$70.24$2.28
Aug 2024Ineos USA3153511,2871,2870$76.68$1.99
Jul 2024Ineos USA2151761,1111,1110$81.80$2.07
Jun 2024Ineos USA8319542,5432,5430$79.77$2.54
May 2024Ineos USA4017170$80.02$2.12
Apr 2024Ineos USA32015150$85.35$1.60
Mar 2024Ineos USA001091090$81.28$1.49
Feb 2024Ineos USA00000$77.25$1.72
Jan 2024Ineos USA0061610$74.15$3.18
Dec 2023Ineos USA00000$71.90$2.52
Nov 2023Ineos USA6201381353$77.69$2.71
Oct 2023Ineos USA1051774804728$85.64$2.98
Sep 2023Ineos USA2671759989962$89.43$2.64
Aug 2023Ineos USA22216298797611$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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