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Texas oil lease

Producing

IRONWOOD UNIT

Ironwood Unit is an oil lease in Frio County, Texas, operated by U.S. Energy Development Corp in the Briscoe Ranch (Eagleford) field.

1 well

11,551bbl oil, last 12 months−3% vs prior year
Operator
U.S. Energy Development Corp
County
Frio County
Field
Briscoe Ranch (Eagleford)
RRC lease
01-18843

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Where it sits

This county

Frio CountyFrioZavalaAtascosaUvaldeMedinaBexarFrio County
Frio County
Gas, last 12 months
8,657 mcf
Oil in Jul 2026
984 bbl

Checks stopped on this lease?

  • Buyer

    Buyer changed: ENTERPRISE HYDROCARBONS, L.P. replaced WILLIAMS MLP OPERATING LLC as the buyer of this lease's gas from oil wells on Oct 1, 2024.

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

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Production by month

Oil output fell 3% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 3% over the last 12 monthsMonthly oil production and gas for IRONWOOD UNIT, Aug 2023 to Jul 2026. Oil output fell 3% over the last 12 months. 11,551 bbl in the 12 months through Jul 2026, against 11,969 bbl in the 12 months before.Last 12 months: 11,551 bblbbl per monthmcf per month005005001,0001,0001,5001,5002,0002,0002,5002,500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 3% over the last 12 monthsMonthly oil production and gas for IRONWOOD UNIT, Aug 2023 to Jul 2026. Oil output fell 3% over the last 12 months. 11,551 bbl in the 12 months through Jul 2026, against 11,969 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005005001,0001,0001,5001,5002,0002,0002,5002,500Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

Flaring peaked at 32.4% of the gas in Jan 2025.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Mar 2026 the lease's gas goes to lease fuel instead of a transmission lineShare of IRONWOOD UNIT gas by disposition code each month, Aug 2023 to Jul 2026. Since Mar 2026 the lease's gas goes to lease fuel instead of a transmission line. Flaring peaked at 32.4% of the gas in Jan 2025.Share of the lease’s gas by disposition code, per month0%50%100%Mar 2026: line to fuelFlared 32.4%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Mar 2026 the lease's gas goes to lease fuel instead of a transmission lineShare of IRONWOOD UNIT gas by disposition code each month, Aug 2023 to Jul 2026. Since Mar 2026 the lease's gas goes to lease fuel instead of a transmission line. Flaring peaked at 32.4% of the gas in Jan 2025.Share of gas by disposition code0%50%100%Mar 26: line to fuelFlared 32.4%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    53% · 4,597 mcf

  • Lease fuel (1)

    44% · 3,812 mcf

  • Flared (4)

    2.9% · 248 mcf

2.9% of the gas flared in the last 12 months. 7 months above 3%.

1 well on this lease

Wells on IRONWOOD UNIT
API numberWell no.Status
42-163-33971A 1EFActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Plains Marketing, L.p.OilGathers100Sep 1, 2025–
Enterprise Hydrocarbons, L.p.Casinghead gasBuys100Oct 1, 2024–
Williams Mlp Operating LLCCasinghead gasGathers100Aug 30, 2021–
Apricus Enterprises, LLCOilGathers100Jan 1, 2025Sep 1, 2025
4J Energy, LLCOilGathers100Oct 1, 2024Jan 1, 2025
Williams Mlp Operating LLCCasinghead gasBuys100Aug 30, 2021Oct 1, 2024
Harvest Marketing & Trading, LLCOilGathers100Feb 1, 2023Oct 1, 2024
Shell Trading (Us) CompanyOilGathers100Aug 30, 2021Feb 1, 2023
Ace Gathering, Inc.OilGathers50May 1, 2020Aug 30, 2021

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

Who buys my oilOil price check

232.81 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 Ironwood Unit
API numberWell no.Acreson the permit
42-163-33971A 1EF232.81

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

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36 months, newest first

Ledger for IRONWOOD UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20269841,1874811860$80.46$2.89
Jun 20269648594401625$84.81$3.15
May 202695982451218757$102.13$2.94
Apr 20269391,0164351702$100.32$2.77
Mar 20269769414842110$91.38$3.04
Feb 20269049374652395$64.51$3.62
Jan 20261,1471,08243928719$60.04$7.72
Dec 20251,0391,08162533721$57.97$4.26
Nov 20258189516613048$60.06$3.79
Oct 20255697799224876$60.89$3.19
Sep 20259158062,4171,651107$63.96$2.97
Aug 20251,3371,19477637618$64.86$2.91
Jul 20251,3371,19477637618$68.39$3.20
Jun 20256037134392130$68.17$3.02
May 20251,0261,10693249523$62.17$3.12
Apr 202598589193249523$63.54$3.42
Mar 20251,0291,0939204660$68.24$4.12
Feb 20251,0979489004070$71.53$4.19
Jan 20258169951,046137339$75.74$4.13
Dec 20241,0061,040571670$70.12$3.01
Nov 20249738401,2847607$69.95$2.12
Oct 20249841,2021,50792419$71.99$2.20
Sep 20241,1039119185044$70.24$2.28
Aug 20241,0101,06246218448$76.68$1.99
Jul 20241,03690942012364$81.80$2.07
Jun 20249711,1053481420$79.77$2.54
May 20241,0489143701635$80.02$2.12
Apr 20249951,1073882083$85.35$1.60
Mar 20241,0538593631973$81.28$1.49
Feb 20249581,0733302110$77.25$1.72
Jan 20241,0931,1033681980$74.15$3.18
Dec 20231,0198884841960$71.90$2.52
Nov 20231,1581,2675001520$77.69$2.71
Oct 20231,0811,1034181829$85.64$2.98
Sep 20231,0721,0924302223$89.43$2.64
Aug 20231,3031,279115481$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

OperatorU.S. Energy Development CorpFieldBriscoe Ranch (Eagleford)CountyFrio County

U.S. Energy Development Corp in Frio County

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Briscoe Ranch (Eagleford) field

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