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Texas oil lease

Producing

BIG WELLS SOUTH UNIT 17 DIM

Big Wells South Unit 17 Dim is an oil lease in Dimmit County, Texas, operated by Ineos USA Oil & Gas LLC in the Briscoe Ranch (Eagleford) field.

3 wells

7,690bbl oil, last 12 months−38% vs prior year
Operator
Ineos USA Oil & Gas LLC
County
Dimmit County
Field
Briscoe Ranch (Eagleford)
RRC lease
01-18879

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Where it sits

This county

Dimmit CountyDimmitLa SalleZavalaFrioMaverickDimmit County
Dimmit County
Gas, last 12 months
65,789 mcf
Oil in Jul 2026
662 bbl

Production by month

Oil output fell 38% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 38% over the last 12 monthsMonthly oil production and gas for BIG WELLS SOUTH UNIT 17 DIM, Aug 2023 to Jul 2026. Oil output fell 38% over the last 12 months. 7,690 bbl in the 12 months through Jul 2026, against 12,361 bbl in the 12 months before.Last 12 months: 7,690 bblbbl per monthmcf per month005005,0001,00010k1,50015k2,00020k2,50025kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 38% over the last 12 monthsMonthly oil production and gas for BIG WELLS SOUTH UNIT 17 DIM, Aug 2023 to Jul 2026. Oil output fell 38% over the last 12 months. 7,690 bbl in the 12 months through Jul 2026, against 12,361 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005005,0001,00010k1,50015k2,00020k2,50025kJan 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 61.8% 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 17 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 61.8% of the gas in Apr 2025.Share of the lease’s gas by disposition code, per month0%50%100%Dec 2025: fuel to lineFlared 61.8%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 17 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 61.8% of the gas in Apr 2025.Share of gas by disposition code0%50%100%Dec 25: fuel to lineFlared 61.8%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    90% · 59,430 mcf

  • Lease fuel (1)

    5.1% · 3,351 mcf

  • Flared (4)

    4.6% · 3,008 mcf

4.6% 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.

3 wells on this lease

Wells on BIG WELLS SOUTH UNIT 17 DIM
API numberWell no.Status
42-127-37293E 4HActive
42-127-37294E 5HActive
42-127-37295E 6HActive

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 7, 2016–
Chesapeake Energy Mktg, L.l.c.Casinghead gasBuys100Oct 7, 2016Nov 1, 2023
Chesapeake Energy Mktg, L.l.c.OilGathers100Oct 7, 2016Nov 1, 2023

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

Who buys my oilOil price check

219.87 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 17 Dim
API numberWell no.Acreson the permit
42-127-37293E 4H219.87
42-127-37294E 5H219.87
42-127-37295E 6H219.87

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 17 DIM
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Ineos USA6626648,3928,04460$80.46$2.89
Jun 2026Ineos USA7947939,4329,05680$84.81$3.15
May 2026Ineos USA78478416,04015,63473$102.13$2.94
Apr 2026Ineos USA7037015,5454,0251,156$100.32$2.77
Mar 2026Ineos USA7547533,3582,862140$91.38$3.04
Feb 2026Ineos USA6156154,1523,79751$64.51$3.62
Jan 2026Ineos USA6846851,4671,103156$60.04$7.72
Dec 2025Ineos USA5185193,4832,895265$57.97$4.26
Nov 2025Ineos USA4704682640101$60.06$3.79
Oct 2025Ineos USA4904904,8254,191354$60.89$3.19
Sep 2025Ineos USA5935943,8833,429266$63.96$2.97
Aug 2025Ineos USA6236234,9484,394306$64.86$2.91
Jul 2025Ineos USA8208205,7895,402129$68.39$3.20
Jun 2025Ineos USA1,0071,0073880112$68.17$3.02
May 2025Ineos USA979978391084$62.17$3.12
Apr 2025Ineos USA1,0601,0637730478$63.54$3.42
Mar 2025Ineos USA1,1491,1484,0413,7633$68.24$4.12
Feb 2025Ineos USA2,1082,1093,3023,0912$71.53$4.19
Jan 2025Ineos USA9489523,3353,0531$75.74$4.13
Dec 2024Ineos USA9639596,2395,9213$70.12$3.01
Nov 2024Ineos USA8458438,7178,473180$69.95$2.12
Oct 2024Ineos USA8068065,0154,9811$71.99$2.20
Sep 2024Ineos USA7587621,5931,5600$70.24$2.28
Aug 2024Ineos USA9189181,0511,0310$76.68$1.99
Jul 2024Ineos USA4764731,7971,7830$81.80$2.07
Jun 2024Ineos USA6426437747721$79.77$2.54
May 2024Ineos USA5765769559089$80.02$2.12
Apr 2024Ineos USA1,0371,0391,5601,1581$85.35$1.60
Mar 2024Ineos USA6636611,6641,33516$81.28$1.49
Feb 2024Ineos USA7857901,6541,17650$77.25$1.72
Jan 2024Ineos USA1,2951,2974,1043,58027$74.15$3.18
Dec 2023Ineos USA56054843725656$71.90$2.52
Nov 2023Ineos USA8588692,0961,73173$77.69$2.71
Oct 2023Ineos USA1,4911,49210,60310,04386$85.64$2.98
Sep 2023Ineos USA1,2821,2877,8057,36726$89.43$2.64
Aug 2023Ineos USA1,5301,53010,67010,15917$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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