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BIG WELLS SOUTH UNIT 15 DIM

Big Wells South Unit 15 Dim is an oil lease in Dimmit County, Texas, operated by Ineos USA Oil & Gas LLC in the Briscoe Ranch (Eagleford) field.

2 wells

6,632bbl oil, last 12 months−8% vs prior year
Operator
Ineos USA Oil & Gas LLC
County
Dimmit County
Field
Briscoe Ranch (Eagleford)
RRC lease
01-18884

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Where it sits

This county

Dimmit CountyDimmitLa SalleZavalaFrioMaverickDimmit County
Dimmit County
Gas, last 12 months
25,104 mcf
Oil in Jul 2026
539 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 BIG WELLS SOUTH UNIT 15 DIM, Aug 2023 to Jul 2026. Oil output fell 8% over the last 12 months. 6,632 bbl in the 12 months through Jul 2026, against 7,176 bbl in the 12 months before.Last 12 months: 6,632 bblbbl per monthmcf per month002001,0004002,0006003,0008004,0001,0005,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 8% over the last 12 monthsMonthly oil production and gas for BIG WELLS SOUTH UNIT 15 DIM, Aug 2023 to Jul 2026. Oil output fell 8% over the last 12 months. 6,632 bbl in the 12 months through Jul 2026, against 7,176 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002001,0004002,0006003,0008004,0001,0005,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Dec 2025 the lease's gas goes to a transmission line instead of lease fuel

Flaring peaked at 73.9% of the gas in Apr 2025.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Dec 2025 the lease's gas goes to a transmission line instead of lease fuelShare of BIG WELLS SOUTH UNIT 15 DIM gas by disposition code each month, Aug 2023 to Jul 2026. Since Dec 2025 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 73.9% of the gas in Apr 2025.Share of the lease’s gas by disposition code, per month0%50%100%Dec 2025: fuel to lineFlared 73.9%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Dec 2025 the lease's gas goes to a transmission line instead of lease fuelShare of BIG WELLS SOUTH UNIT 15 DIM gas by disposition code each month, Aug 2023 to Jul 2026. Since Dec 2025 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 73.9% of the gas in Apr 2025.Share of gas by disposition code0%50%100%Dec 25: fuel to lineFlared 73.9%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    57% · 14,405 mcf

  • Lease fuel (1)

    30% · 7,435 mcf

  • Flared (4)

    13% · 3,264 mcf

13.0% 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.

2 wells on this lease

Wells on BIG WELLS SOUTH UNIT 15 DIM
API numberWell no.Status
42-127-37292D 6HActive
42-127-37296E 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 9, 2016–
Chesapeake Energy Mktg, L.l.c.Casinghead gasBuys100Oct 9, 2016Nov 1, 2023
Chesapeake Energy Mktg, L.l.c.OilGathers100Oct 9, 2016Nov 1, 2023

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

Who buys my oilOil price check

169.07 acres on the newest 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 15 Dim
API numberWell no.Acreson the permit
42-127-37296E 1H169.07
42-127-37292D 6H169.07

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

Unit decimal checker

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36 months, newest first

Ledger for BIG WELLS SOUTH UNIT 15 DIM
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Ineos USA5395382,1221,36950$80.46$2.89
Jun 2026Ineos USA6546552,5571,69666$84.81$3.15
May 2026Ineos USA7347331,9071,19170$102.13$2.94
Apr 2026Ineos USA5205183,0311,604710$100.32$2.77
Mar 2026Ineos USA4864872,4501,642148$91.38$3.04
Feb 2026Ineos USA4904891,9651,30871$64.51$3.62
Jan 2026Ineos USA5905902,0041,116215$60.04$7.72
Dec 2025Ineos USA5395392,2071,134502$57.97$4.26
Nov 2025Ineos USA559560883144346$60.06$3.79
Oct 2025Ineos USA5735731,083193515$60.89$3.19
Sep 2025Ineos USA462460838136355$63.96$2.97
Aug 2025Ineos USA4864874,0572,872216$64.86$2.91
Jul 2025Ineos USA5525514,0683,070133$68.39$3.20
Jun 2025Ineos USA4404402,5281,677239$68.17$3.02
May 2025Ineos USA560561886427215$62.17$3.12
Apr 2025Ineos USA6366389460699$63.54$3.42
Mar 2025Ineos USA70870726200$68.24$4.12
Feb 2025Ineos USA67367326900$71.53$4.19
Jan 2025Ineos USA78278630400$75.74$4.13
Dec 2024Ineos USA79478925800$70.12$3.01
Nov 2024Ineos USA51251517800$69.95$2.12
Oct 2024Ineos USA5595557700$71.99$2.20
Sep 2024Ineos USA499502000$70.24$2.28
Aug 2024Ineos USA4614612700$76.68$1.99
Jul 2024Ineos USA4734751400$81.80$2.07
Jun 2024Ineos USA39839510900$79.77$2.54
May 2024Ineos USA42342325304$80.02$2.12
Apr 2024Ineos USA3763769547520$85.35$1.60
Mar 2024Ineos USA3653647385948$81.28$1.49
Feb 2024Ineos USA2152144744740$77.25$1.72
Jan 2024Ineos USA22022177420$74.15$3.18
Dec 2023Ineos USA72703600$71.90$2.52
Nov 2023Ineos USA1311326614580$77.69$2.71
Oct 2023Ineos USA1591603500$85.64$2.98
Sep 2023Ineos USA3773804510$89.43$2.64
Aug 2023Ineos USA4344355200$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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