Skip to content
Royalty Clerk

Texas oil lease

Producing

IRONWOOD

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

3 wells

18,985bbl oil, last 12 months−9% vs prior year
Operator
U.S. Energy Development Corp
County
Frio County
Field
Briscoe Ranch (Eagleford)
RRC lease
01-18636

Is your check right?

Check my statement

Where it sits

This county

Frio CountyFrioZavalaAtascosaUvaldeMedinaBexarFrio County
Frio County
Gas, last 12 months
9,747 mcf
Oil in Jul 2026
1,886 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.

See why checks stop on this lease

Production by month

Oil output fell 9% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 9% over the last 12 monthsMonthly oil production and gas for IRONWOOD, Aug 2023 to Jul 2026. Oil output fell 9% over the last 12 months. 18,985 bbl in the 12 months through Jul 2026, against 20,801 bbl in the 12 months before.Last 12 months: 18,985 bblbbl per monthmcf per month001,0005002,0001,0003,0001,5004,0002,0005,0002,500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 9% over the last 12 monthsMonthly oil production and gas for IRONWOOD, Aug 2023 to Jul 2026. Oil output fell 9% over the last 12 months. 18,985 bbl in the 12 months through Jul 2026, against 20,801 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001,0005002,0001,0003,0001,5004,0002,0005,0002,500Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

Flaring peaked at 13.4% of the gas in Aug 2024.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Jun 2025 the lease's gas goes to lease fuel instead of a transmission lineShare of IRONWOOD gas by disposition code each month, Aug 2023 to Jul 2026. Since Jun 2025 the lease's gas goes to lease fuel instead of a transmission line. Flaring peaked at 13.4% of the gas in Aug 2024.Share of the lease’s gas by disposition code, per month0%50%100%Jun 2025: line to fuelFlared 13.4%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Jun 2025 the lease's gas goes to lease fuel instead of a transmission lineShare of IRONWOOD gas by disposition code each month, Aug 2023 to Jul 2026. Since Jun 2025 the lease's gas goes to lease fuel instead of a transmission line. Flaring peaked at 13.4% of the gas in Aug 2024.Share of gas by disposition code0%50%100%Jun 25: line to fuelFlared 13.4%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Lease fuel (1)

    65% · 6,360 mcf

  • Transmission line (2)

    34% · 3,337 mcf

  • Flared (4)

    0.5% · 50 mcf

0.5% of the gas flared in the last 12 months. 3 months above 3%.

3 wells on this lease

Wells on IRONWOOD
API numberWell no.Status
42-163-33931B 1EFActive
42-163-33932B 2EFActive
42-163-33933B 3EFActive

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

809 acres on the newest permit

Check your decimal on this lease
Permits for Ironwood
API numberWell no.Acreson the permit
42-163-33931B 1EF809
42-163-33932B 2EF809
42-163-33933B 3EF809

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for IRONWOOD
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20261,8861,8507952500$80.46$2.89
Jun 20261,2001,6797372140$84.81$3.15
May 20261,4351,15076825120$102.13$2.94
Apr 20261,5571,60478122513$100.32$2.77
Mar 20261,6201,4127992250$91.38$3.04
Feb 20261,5521,6877942750$64.51$3.62
Jan 20261,7421,5697552364$60.04$7.72
Dec 20251,4401,6658592526$57.97$4.26
Nov 20251,6391,5808432814$60.06$3.79
Oct 20251,5731,8858483570$60.89$3.19
Sep 20251,6441,6018693690$63.96$2.97
Aug 20251,6971,5728994023$64.86$2.91
Jul 20251,6971,5728994023$68.39$3.20
Jun 20251,6491,8329234390$68.17$3.02
May 20251,6591,7181,45286618$62.17$3.12
Apr 20251,5661,3411,45286618$63.54$3.42
Mar 20251,6691,6102,2521,6259$68.24$4.12
Feb 20251,9641,9711,3237240$71.53$4.19
Jan 20251,7321,68396011265$75.74$4.13
Dec 20241,8991,801701170$70.12$3.01
Nov 20241,6671,748910860$69.95$2.12
Oct 20242,0192,0269191470$71.99$2.20
Sep 20241,5431,8279712150$70.24$2.28
Aug 20241,7371,6281,096319147$76.68$1.99
Jul 20241,7791,7711,365531129$81.80$2.07
Jun 20241,8281,6331,2505874$79.77$2.54
May 20242,2242,4011,8231,05332$80.02$2.12
Apr 20243,0502,9041,58284334$85.35$1.60
Mar 20241,6391,9028293248$81.28$1.49
Feb 20241,7741,5497451880$77.25$1.72
Jan 20241,9122,0158091990$74.15$3.18
Dec 20231,9281,8221,0464740$71.90$2.52
Nov 20231,8471,8377501970$77.69$2.71
Oct 20232,0542,15699040621$85.64$2.98
Sep 20231,8941,8529404631$89.43$2.64
Aug 20232,1352,13192342712$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.

How to check your stub against this lease Checks stopped on this lease? See the likely reasons

Do your checks match this lease?

Check my statement

Nearby

This lease belongs to

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

U.S. Energy Development Corp in Frio County

All U.S. Energy Development Corp leases →

Briscoe Ranch (Eagleford) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km