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Texas oil lease

Producing

DULLNIG UNIT A DIM

Dullnig Unit A Dim is an oil lease in Dimmit County, Texas, operated by Ineos USA Oil & Gas LLC in the Briscoe Ranch (Eagleford) field.

1 well

4,142bbl oil, last 12 months−21% vs prior year
Operator
Ineos USA Oil & Gas LLC
County
Dimmit County
Field
Briscoe Ranch (Eagleford)
RRC lease
01-16493

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Where it sits

This county

Dimmit CountyDimmitLa SalleZavalaFrioMaverickDimmit County
Dimmit County
Gas, last 12 months
22,559 mcf
Oil in Jul 2026
0 bbl

Checks stopped on this lease?

  • Sales

    No sales reported for the last 2 months of state data (through Jul 2026).

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

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Production by month

Oil output fell 21% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 21% over the last 12 monthsMonthly oil production and gas for DULLNIG UNIT A DIM, Aug 2023 to Jul 2026. Oil output fell 21% over the last 12 months. 4,142 bbl in the 12 months through Jul 2026, against 5,211 bbl in the 12 months before.Last 12 months: 4,142 bblbbl per monthmcf per month002001,0004002,0006003,0008004,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 21% over the last 12 monthsMonthly oil production and gas for DULLNIG UNIT A DIM, Aug 2023 to Jul 2026. Oil output fell 21% over the last 12 months. 4,142 bbl in the 12 months through Jul 2026, against 5,211 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002001,0004002,0006003,0008004,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Jul 2026 the lease's gas goes to a transmission line instead of lease fuel

Flaring peaked at 100.0% of the gas in May 2024.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Jul 2026 the lease's gas goes to a transmission line instead of lease fuelShare of DULLNIG UNIT A DIM gas by disposition code each month, Aug 2023 to Jul 2026. Since Jul 2026 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 100.0% of the gas in May 2024.Share of the lease’s gas by disposition code, per month0%50%100%Jul 2026: fuel to lineFlared 100.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Jul 2026 the lease's gas goes to a transmission line instead of lease fuelShare of DULLNIG UNIT A DIM gas by disposition code each month, Aug 2023 to Jul 2026. Since Jul 2026 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 100.0% of the gas in May 2024.Share of gas by disposition code0%50%100%Jul 26: fuel to lineFlared 100.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    88% · 19,791 mcf

  • Lease fuel (1)

    9.7% · 2,193 mcf

  • Flared (4)

    2.5% · 575 mcf

2.5% of the gas flared in the last 12 months. 7 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 DULLNIG UNIT A DIM
API numberWell no.Status
42-127-349001HActive

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.OilGathers10Sep 2, 2015Apr 28, 2023
Eastex Crude CompanyOilGathers80Sep 2, 2015Apr 28, 2023
Shell Trading (Us) CompanyOilGathers10Sep 2, 2015Apr 28, 2023

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

Who buys my oilOil price check

480 acres on the newest permit

Check your decimal on this lease
Permits for Dullnig Unit A Dim
API numberWell no.Acreson the permit
42-127-349001H480

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

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36 months, newest first

Ledger for DULLNIG UNIT A DIM
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Ineos USA00880$80.46$2.89
Jun 2026Ineos USA70321746$84.81$3.15
May 2026Ineos USA5155402,5672,23484$102.13$2.94
Apr 2026Ineos USA18836595268625$100.32$2.77
Mar 2026Ineos USA2022871,6141,259106$91.38$3.04
Feb 2026Ineos USA3251811,5641,3390$64.51$3.62
Jan 2026Ineos USA3563582,0041,7505$60.04$7.72
Dec 2025Ineos USA5325442,9462,68611$57.97$4.26
Nov 2025Ineos USA5375342,9972,73719$60.06$3.79
Oct 2025Ineos USA5245182,7112,315147$60.89$3.19
Sep 2025Ineos USA3873642,3142,22391$63.96$2.97
Aug 2025Ineos USA5695282,5612,48081$64.86$2.91
Jul 2025Ineos USA5675442,4052,4041$68.39$3.20
Jun 2025Ineos USA6326902,6492,6481$68.17$3.02
May 2025Ineos USA7167163,0413,0410$62.17$3.12
Apr 2025Ineos USA00000$63.54$3.42
Mar 2025Ineos USA6105372,5422,5411$68.24$4.12
Feb 2025Ineos USA2421679489480$71.53$4.19
Jan 2025Ineos USA274353000$75.74$4.13
Dec 2024Ineos USA00000$70.12$3.01
Nov 2024Ineos USA411351000$69.95$2.12
Oct 2024Ineos USA556719000$71.99$2.20
Sep 2024Ineos USA574533101$70.24$2.28
Aug 2024Ineos USA629549000$76.68$1.99
Jul 2024Ineos USA694736000$81.80$2.07
Jun 2024Ineos USA756719000$79.77$2.54
May 2024Ineos USA534540303$80.02$2.12
Apr 2024Ineos USA68174000$85.35$1.60
Mar 2024Ineos USA52068671$81.28$1.49
Feb 2024Ineos USA0037370$77.25$1.72
Jan 2024Ineos USA0023230$74.15$3.18
Dec 2023Ineos USA00000$71.90$2.52
Nov 2023Ineos USA3093451,5951,5869$77.69$2.71
Oct 2023Ineos USA5465462,6992,68712$85.64$2.98
Sep 2023Ineos USA4173632,1212,10417$89.43$2.64
Aug 2023Ineos USA4995262,6132,6094$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 LLCFieldBriscoe Ranch (Eagleford)CountyDimmit County

Ineos USA Oil & Gas LLC in Dimmit County

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Briscoe Ranch (Eagleford) field

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