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Texas oil lease

Producing

BIG WELLS SOUTH UNIT I DIM

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

1 well

7,739bbl oil, last 12 months−23% vs prior year
Operator
Ineos USA Oil & Gas LLC
County
Dimmit County
Field
Briscoe Ranch (Eagleford)
RRC lease
01-18263

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Where it sits

This county

Dimmit CountyDimmitLa SalleZavalaFrioMaverickDimmit County
Dimmit County
Gas, last 12 months
6,085 mcf
Oil in Jul 2026
512 bbl

Production by month

Oil output fell 23% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 23% over the last 12 monthsMonthly oil production and gas for BIG WELLS SOUTH UNIT I DIM, Aug 2023 to Jul 2026. Oil output fell 23% over the last 12 months. 7,739 bbl in the 12 months through Jul 2026, against 10,044 bbl in the 12 months before.Last 12 months: 7,739 bblbbl per monthmcf per month0050010k1,00020k1,50030k2,00040kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 23% over the last 12 monthsMonthly oil production and gas for BIG WELLS SOUTH UNIT I DIM, Aug 2023 to Jul 2026. Oil output fell 23% over the last 12 months. 7,739 bbl in the 12 months through Jul 2026, against 10,044 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0050010k1,00020k1,50030k2,00040kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Jan 2024 the lease's gas goes to a transmission line instead of lease fuel

Flaring peaked at 22.1% of the gas in May 2026.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Jan 2024 the lease's gas goes to a transmission line instead of lease fuelShare of BIG WELLS SOUTH UNIT I DIM gas by disposition code each month, Aug 2023 to Jul 2026. Since Jan 2024 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 22.1% of the gas in May 2026.Share of the lease’s gas by disposition code, per month0%50%100%Jan 2024: fuel to lineFlared 22.1%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Jan 2024 the lease's gas goes to a transmission line instead of lease fuelShare of BIG WELLS SOUTH UNIT I DIM gas by disposition code each month, Aug 2023 to Jul 2026. Since Jan 2024 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 22.1% of the gas in May 2026.Share of gas by disposition code0%50%100%Jan 24: fuel to lineFlared 22.1%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    97% · 5,887 mcf

  • Flared (4)

    3.3% · 198 mcf

3.3% of the gas flared in the last 12 months. 5 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 BIG WELLS SOUTH UNIT I DIM
API numberWell no.Status
42-127-36384F 9HActive

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

62.65 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.

  • Worth asking

    A Rule 37 case is listed

    The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.

Check your decimal on this lease
Permits for Big Wells South Unit I Dim
API numberWell no.Acreson the permit
42-127-36384F 9H62.65

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for BIG WELLS SOUTH UNIT I DIM
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Ineos USA51251259054149$80.46$2.89
Jun 2026Ineos USA50250139934455$84.81$3.15
May 2026Ineos USA64564531724770$102.13$2.94
Apr 2026Ineos USA69369216113724$100.32$2.77
Mar 2026Ineos USA5975973263260$91.38$3.04
Feb 2026Ineos USA7407393673670$64.51$3.62
Jan 2026Ineos USA7607625445440$60.04$7.72
Dec 2025Ineos USA1,3931,3929109100$57.97$4.26
Nov 2025Ineos USA5075065865860$60.06$3.79
Oct 2025Ineos USA4584584224220$60.89$3.19
Sep 2025Ineos USA5015006686680$63.96$2.97
Aug 2025Ineos USA4314327957950$64.86$2.91
Jul 2025Ineos USA3984004674670$68.39$3.20
Jun 2025Ineos USA3733701,8721,7860$68.17$3.02
May 2025Ineos USA2752756846160$62.17$3.12
Apr 2025Ineos USA2852855025002$63.54$3.42
Mar 2025Ineos USA8398443043040$68.24$4.12
Feb 2025Ineos USA1,0231,0213333330$71.53$4.19
Jan 2025Ineos USA7797866016010$75.74$4.13
Dec 2024Ineos USA1,3591,3549539530$70.12$3.01
Nov 2024Ineos USA1,9301,9321,4451,41728$69.95$2.12
Oct 2024Ineos USA1,4871,4811,3081,3080$71.99$2.20
Sep 2024Ineos USA58659036,33135,3610$70.24$2.28
Aug 2024Ineos USA71070828,03126,8690$76.68$1.99
Jul 2024Ineos USA2602595,2884,8830$81.80$2.07
Jun 2024Ineos USA2562552,8002,4370$79.77$2.54
May 2024Ineos USA2432436,2705,8950$80.02$2.12
Apr 2024Ineos USA2332337,8836,961559$85.35$1.60
Mar 2024Ineos USA2482487,4577,0820$81.28$1.49
Feb 2024Ineos USA1921915,6195,2680$77.25$1.72
Jan 2024Ineos USA2322321,6171,2420$74.15$3.18
Dec 2023Ineos USA16016137600$71.90$2.52
Nov 2023Ineos USA838440600$77.69$2.71
Oct 2023Ineos USA4454432892762$85.64$2.98
Sep 2023Ineos USA4034024334141$89.43$2.64
Aug 2023Ineos USA031861670$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 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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