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Texas oil lease

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GIERISCH UNIT I LAS

Gierisch Unit I 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

20,929bbl oil, last 12 months−13% vs prior year
Operator
Ineos USA Oil & Gas LLC
County
La Salle County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-16602

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Where it sits

This county

La Salle CountyLa SalleZavalaAtascosaMcMullenDimmitFrioLa Salle County
La Salle County
Gas, last 12 months
68,966 mcf
Oil in Jul 2026
1,745 bbl

Production by month

Oil output fell 13% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 13% over the last 12 monthsMonthly oil production and gas for GIERISCH UNIT I LAS, Aug 2023 to Jul 2026. Oil output fell 13% over the last 12 months. 20,929 bbl in the 12 months through Jul 2026, against 24,105 bbl in the 12 months before.Last 12 months: 20,929 bblbbl per monthmcf per month001,0002,5002,0005,0003,0007,5004,00010kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 13% over the last 12 monthsMonthly oil production and gas for GIERISCH UNIT I LAS, Aug 2023 to Jul 2026. Oil output fell 13% over the last 12 months. 20,929 bbl in the 12 months through Jul 2026, against 24,105 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001,0002,5002,0005,0003,0007,5004,00010kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Dec 2023 the lease's gas goes to a transmission line instead of lease fuel

Flaring peaked at 52.5% of the gas in Aug 2023.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Dec 2023 the lease's gas goes to a transmission line instead of lease fuelShare of GIERISCH UNIT I LAS gas by disposition code each month, Aug 2023 to Jul 2026. Since Dec 2023 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 52.5% of the gas in Aug 2023.Share of the lease’s gas by disposition code, per month0%50%100%Dec 2023: fuel to lineFlared 52.5%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Dec 2023 the lease's gas goes to a transmission line instead of lease fuelShare of GIERISCH UNIT I LAS gas by disposition code each month, Aug 2023 to Jul 2026. Since Dec 2023 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 52.5% of the gas in Aug 2023.Share of gas by disposition code0%50%100%Dec 23: fuel to lineFlared 52.5%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    82% · 56,535 mcf

  • Lease fuel (1)

    15% · 10,617 mcf

  • Flared (4)

    2.6% · 1,814 mcf

2.6% of the gas flared in the last 12 months. 13 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 GIERISCH UNIT I LAS
API numberWell no.Status
42-283-33384A 1HActive
42-283-36821B 1HActive

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

178.77 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 178.66 and 178.77 acres. Use the acres from your own division order for the well you are paid on.

Check your decimal on this lease
Permits for Gierisch Unit I Las
API numberWell no.Acreson the permit
42-283-36821B 1H178.77
42-283-33384A 1H178.66

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for GIERISCH UNIT I LAS
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Ineos USA1,7451,6704,5943,553151$80.46$2.89
Jun 2026Ineos USA1,6801,7104,9033,793160$84.81$3.15
May 2026Ineos USA1,8221,8155,6354,486169$102.13$2.94
Apr 2026Ineos USA1,7981,8084,4583,345151$100.32$2.77
Mar 2026Ineos USA1,6511,6514,0182,927142$91.38$3.04
Feb 2026Ineos USA1,4891,5444,8233,805172$64.51$3.62
Jan 2026Ineos USA1,6871,5523,2312,2649$60.04$7.72
Dec 2025Ineos USA1,8221,9145,0574,08121$57.97$4.26
Nov 2025Ineos USA1,7551,7596,8085,83226$60.06$3.79
Oct 2025Ineos USA1,7901,7888,2347,017269$60.89$3.19
Sep 2025Ineos USA1,7571,7818,7657,843315$63.96$2.97
Aug 2025Ineos USA1,9331,8948,4407,589229$64.86$2.91
Jul 2025Ineos USA1,8871,8827,1356,5222$68.39$3.20
Jun 2025Ineos USA2,1022,0974,3543,7880$68.17$3.02
May 2025Ineos USA2,0632,1515,3084,7932$62.17$3.12
Apr 2025Ineos USA2,2512,1214,8074,3642$63.54$3.42
Mar 2025Ineos USA1,6521,7049185170$68.24$4.12
Feb 2025Ineos USA1,3681,5341,3411,0380$71.53$4.19
Jan 2025Ineos USA1,0588354,2923,8053$75.74$4.13
Dec 2024Ineos USA2,0622,1659,0498,4123$70.12$3.01
Nov 2024Ineos USA2,0231,9247,2056,5783$69.95$2.12
Oct 2024Ineos USA2,9083,0148,9448,2262$71.99$2.20
Sep 2024Ineos USA2,6372,5144,7074,1541$70.24$2.28
Aug 2024Ineos USA2,0942,1754,7474,1471$76.68$1.99
Jul 2024Ineos USA1,7661,7863,1652,5971$81.80$2.07
Jun 2024Ineos USA1,7921,8121,5809710$79.77$2.54
May 2024Ineos USA1,6401,5422,9952,24734$80.02$2.12
Apr 2024Ineos USA1,9561,8913,4582,4761$85.35$1.60
Mar 2024Ineos USA2,0162,0744,7213,80451$81.28$1.49
Feb 2024Ineos USA1,4351,3964,1373,38669$77.25$1.72
Jan 2024Ineos USA1,7661,9461,62693582$74.15$3.18
Dec 2023Ineos USA1,9932,1251,6921,00294$71.90$2.52
Nov 2023Ineos USA2,1802,0301,076383103$77.69$2.71
Oct 2023Ineos USA2,3622,2414,2863,392148$85.64$2.98
Sep 2023Ineos USA2,4122,4212,0071,33583$89.43$2.64
Aug 2023Ineos USA1,6751,6751791794$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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