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Texas oil lease

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MUMME PARTNERS UNIT A LAS

Mumme Partners 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.

1 well

4,015bbl oil, last 12 months−8% vs prior year
Operator
Ineos USA Oil & Gas LLC
County
La Salle County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-16291

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Where it sits

This county

La Salle CountyLa SalleZavalaAtascosaMcMullenDimmitFrioLa Salle County
La Salle County
Gas, last 12 months
10,102 mcf
Oil in Jul 2026
320 bbl

Production by month

Oil output fell 8% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 8% over the last 12 monthsMonthly oil production and gas for MUMME PARTNERS UNIT A LAS, Aug 2023 to Jul 2026. Oil output fell 8% over the last 12 months. 4,015 bbl in the 12 months through Jul 2026, against 4,385 bbl in the 12 months before.Last 12 months: 4,015 bblbbl per monthmcf per month002002504005006007508001,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 8% over the last 12 monthsMonthly oil production and gas for MUMME PARTNERS UNIT A LAS, Aug 2023 to Jul 2026. Oil output fell 8% over the last 12 months. 4,015 bbl in the 12 months through Jul 2026, against 4,385 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002002504005006007508001,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

74% of the gas went to a transmission line in the last 12 months

Flaring peaked at 14.3% of the gas in Jan 2024.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
74% of the gas went to a transmission line in the last 12 monthsShare of MUMME PARTNERS UNIT A LAS gas by disposition code each month, Aug 2023 to Jul 2026. 74% of the gas went to a transmission line in the last 12 months. Flaring peaked at 14.3% of the gas in Jan 2024.Share of the lease’s gas by disposition code, per month0%50%100%Flared 14.3%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
74% of the gas went to a transmission line in the last 12 monthsShare of MUMME PARTNERS UNIT A LAS gas by disposition code each month, Aug 2023 to Jul 2026. 74% of the gas went to a transmission line in the last 12 months. Flaring peaked at 14.3% of the gas in Jan 2024.Share of gas by disposition code0%50%100%Flared 14.3%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    74% · 7,436 mcf

  • Lease fuel (1)

    24% · 2,442 mcf

  • Flared (4)

    2.2% · 224 mcf

2.2% of the gas flared in the last 12 months. 14 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 MUMME PARTNERS UNIT A LAS
API numberWell no.Status
42-283-331212HActive

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

335.54 acres on the newest permit

Check your decimal on this lease
Permits for Mumme Partners Unit A Las
API numberWell no.Acreson the permit
42-283-331212H335.54

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for MUMME PARTNERS UNIT A LAS
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Ineos USA32017185858326$80.46$2.89
Jun 2026Ineos USA30635583256526$84.81$3.15
May 2026Ineos USA34135389762028$102.13$2.94
Apr 2026Ineos USA31827686359527$100.32$2.77
Mar 2026Ineos USA34335392364133$91.38$3.04
Feb 2026Ineos USA33536187864112$64.51$3.62
Jan 2026Ineos USA3433328716184$60.04$7.72
Dec 2025Ineos USA3473308676153$57.97$4.26
Nov 2025Ineos USA3393118586143$60.06$3.79
Oct 2025Ineos USA32934196068130$60.89$3.19
Sep 2025Ineos USA35834971168526$63.96$2.97
Aug 2025Ineos USA3363435845786$64.86$2.91
Jul 2025Ineos USA3785041741740$68.39$3.20
Jun 2025Ineos USA2423553213210$68.17$3.02
May 2025Ineos USA5233295835830$62.17$3.12
Apr 2025Ineos USA31732576760$63.54$3.42
Mar 2025Ineos USA3793294924920$68.24$4.12
Feb 2025Ineos USA4065016836830$71.53$4.19
Jan 2025Ineos USA3273223133130$75.74$4.13
Dec 2024Ineos USA4053352862860$70.12$3.01
Nov 2024Ineos USA4124891971970$69.95$2.12
Oct 2024Ineos USA22016245450$71.99$2.20
Sep 2024Ineos USA5225121381371$70.24$2.28
Aug 2024Ineos USA25431574740$76.68$1.99
Jul 2024Ineos USA293179000$81.80$2.07
Jun 2024Ineos USA32149620200$79.77$2.54
May 2024Ineos USA45534765632$80.02$2.12
Apr 2024Ineos USA5426963203200$85.35$1.60
Mar 2024Ineos USA3561821831812$81.28$1.49
Feb 2024Ineos USA52454425121932$77.25$1.72
Jan 2024Ineos USA190761$74.15$3.18
Dec 2023Ineos USA00000$71.90$2.52
Nov 2023Ineos USA39236223320924$77.69$2.71
Oct 2023Ineos USA42952435332528$85.64$2.98
Sep 2023Ineos USA44035228526223$89.43$2.64
Aug 2023Ineos USA61269730026238$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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