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Texas oil lease

Producing

BIG WELLS SOUTH UNIT 4 DIM

Big Wells South Unit 4 Dim is an oil lease in Dimmit County, Texas, operated by Ineos USA Oil & Gas LLC in the Briscoe Ranch (Eagleford) field.

1 well

2,737bbl oil, last 12 months−53% vs prior year
Operator
Ineos USA Oil & Gas LLC
County
Dimmit County
Field
Briscoe Ranch (Eagleford)
RRC lease
01-18881

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Where it sits

This county

Dimmit CountyDimmitLa SalleZavalaFrioMaverickDimmit County
Dimmit County
Gas, last 12 months
16,677 mcf
Oil in Jul 2026
190 bbl

Production by month

Oil output fell 53% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 53% over the last 12 monthsMonthly oil production and gas for BIG WELLS SOUTH UNIT 4 DIM, Aug 2023 to Jul 2026. Oil output fell 53% over the last 12 months. 2,737 bbl in the 12 months through Jul 2026, against 5,881 bbl in the 12 months before.Last 12 months: 2,737 bblbbl per monthmcf per month002002,5004005,0006007,50080010k1,00012.5kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 53% over the last 12 monthsMonthly oil production and gas for BIG WELLS SOUTH UNIT 4 DIM, Aug 2023 to Jul 2026. Oil output fell 53% over the last 12 months. 2,737 bbl in the 12 months through Jul 2026, against 5,881 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002002,5004005,0006007,50080010k1,00012.5kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

75% of the gas went to a transmission line in the last 12 months

Flaring peaked at 100.0% of the gas in Oct 2025.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
75% of the gas went to a transmission line in the last 12 monthsShare of BIG WELLS SOUTH UNIT 4 DIM gas by disposition code each month, Aug 2023 to Jul 2026. 75% of the gas went to a transmission line in the last 12 months. Flaring peaked at 100.0% of the gas in Oct 2025.Share of the lease’s gas by disposition code, per month0%50%100%Flared 100.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
75% of the gas went to a transmission line in the last 12 monthsShare of BIG WELLS SOUTH UNIT 4 DIM gas by disposition code each month, Aug 2023 to Jul 2026. 75% of the gas went to a transmission line in the last 12 months. Flaring peaked at 100.0% of the gas in Oct 2025.Share of gas by disposition code0%50%100%Flared 100.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    75% · 12,825 mcf

  • Lease fuel (1)

    24% · 4,062 mcf

  • Flared (4)

    1.6% · 279 mcf

1.6% of the gas flared in the last 12 months. 3 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 4 DIM
API numberWell no.Status
42-127-37287D 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 21, 2016–
Chesapeake Energy Mktg, L.l.c.Casinghead gasBuys100Oct 21, 2016Nov 1, 2023
Chesapeake Energy Mktg, L.l.c.OilGathers100Oct 21, 2016Nov 1, 2023

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

Who buys my oilOil price check

138.19 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 4 Dim
API numberWell no.Acreson the permit
42-127-37287D 1H138.19

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 4 DIM
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Ineos USA1901901,7781,19318$80.46$2.89
Jun 2026Ineos USA2772771,6241,20929$84.81$3.15
May 2026Ineos USA2962961,6311,20230$102.13$2.94
Apr 2026Ineos USA2012001,4561,1180$100.32$2.77
Mar 2026Ineos USA2272271,8011,4070$91.38$3.04
Feb 2026Ineos USA2042041,7381,3550$64.51$3.62
Jan 2026Ineos USA2412411,7451,3152$60.04$7.72
Dec 2025Ineos USA2112101,5411,1940$57.97$4.26
Nov 2025Ineos USA222223000$60.06$3.79
Oct 2025Ineos USA223223202$60.89$3.19
Sep 2025Ineos USA2192181,8511,350124$63.96$2.97
Aug 2025Ineos USA2262271,5101,14974$64.86$2.91
Jul 2025Ineos USA289289000$68.39$3.20
Jun 2025Ineos USA3323324893330$68.17$3.02
May 2025Ineos USA27527529290$62.17$3.12
Apr 2025Ineos USA4474493833830$63.54$3.42
Mar 2025Ineos USA4834826,9246,9213$68.24$4.12
Feb 2025Ineos USA4694697,0397,0363$71.53$4.19
Jan 2025Ineos USA4544566,7086,7053$75.74$4.13
Dec 2024Ineos USA59158910,59510,5923$70.12$3.01
Nov 2024Ineos USA59159210,32210,3193$69.95$2.12
Oct 2024Ineos USA6416409,4119,4083$71.99$2.20
Sep 2024Ineos USA6997035,4735,4730$70.24$2.28
Aug 2024Ineos USA6106107,0147,0122$76.68$1.99
Jul 2024Ineos USA6606622,9972,9970$81.80$2.07
Jun 2024Ineos USA6526493,6383,6371$79.77$2.54
May 2024Ineos USA8068062,2952,27421$80.02$2.12
Apr 2024Ineos USA5545559649640$85.35$1.60
Mar 2024Ineos USA49248990189110$81.28$1.49
Feb 2024Ineos USA4284277977970$77.25$1.72
Jan 2024Ineos USA4334361,2711,2710$74.15$3.18
Dec 2023Ineos USA1331283763760$71.90$2.52
Nov 2023Ineos USA041,2271,2270$77.69$2.71
Oct 2023Ineos USA4834813,5083,1830$85.64$2.98
Sep 2023Ineos USA7227243,9053,6320$89.43$2.64
Aug 2023Ineos USA8038013,6373,3790$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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