Texas oil lease
Shut inWELDER, J. F. HEIRS
Welder, J. F. Heirs is an oil lease in San Patricio County, Texas, operated by Iron Jaw Operating LLC in the Odem (Massive Frio) field.
1 well
- Operator
- Iron Jaw Operating LLC
- County
- San Patricio County
- Field
- Odem (Massive Frio)
- RRC lease
- 04-13464
Is your check right?
Where it sits
This county
- Oil in Jul 2026
- 0 bbl
- Reporting since
- Jan 2020
Checks stopped on this lease?
- Operator
Operator changed: Iron Jaw Operating LLC took over from 84 Energy LLC in Jul 2026.
- Sales
No sales reported for the last 12 months of state data (through Jul 2026).
SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.
See why checks stop on this leaseProduction by month
No oil produced in the last 12 months
- Oil (bars)
- Last 12 months
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Where the gas went
No gas disposition reported for this lease
Who has run this lease
The operator changed 3 times, most recently in Jul 2026
- Iron Jaw Operating LLC Jul 2026 to now
- 84 Energy LLC Jan 2025 to Jun 2026
- GTG Operating, LLC Aug 2020 to Dec 2024
- Wagner Oil Company Jan 2020 to Jul 2020
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
1 well on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-409-32839 | 6SB | Shut-in |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From | Until |
|---|---|---|---|---|---|
| Gulfmark Energy, Inc. | Oil | Gathers | 100 | Apr 1, 2020 | – |
| Conocophillips Company | Casinghead gas | Buys | 100 | Aug 1, 2020 | – |
| Tennessee Gas Pipeline Co,l.l.c. | Casinghead gas | Gathers | 100 | Apr 1, 2013 | – |
| Wagner Oil Company | Casinghead gas | Buys | 100 | May 1, 2020 | Aug 1, 2020 |
| Conocophillips Company | Casinghead gas | Buys | 100 | Apr 1, 2020 | May 1, 2020 |
| Wagner Oil Company | Casinghead gas | Buys | 100 | Apr 1, 2014 | Apr 1, 2020 |
| Sunoco Ptnrs. Mktg.&terminals LP | Oil | Gathers | 100 | Dec 1, 2019 | Apr 1, 2020 |
| Flint Hills Resources, LP | Oil | Gathers | 100 | Nov 1, 2016 | Dec 1, 2019 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
Estimate your royalty
36 months, newest first
| Month | Oil producedbbl | Oil soldbbl | WTI$/bbl | Henry Hub$/MMBtu |
|---|---|---|---|---|
| Jul 2026Iron Jaw | 0 | 0 | $80.46 | $2.89 |
| Jun 202684 Energy | 0 | 0 | $84.81 | $3.15 |
| May 202684 Energy | 0 | 0 | $102.13 | $2.94 |
| Apr 202684 Energy | 0 | 0 | $100.32 | $2.77 |
| Mar 202684 Energy | 0 | 0 | $91.38 | $3.04 |
| Feb 202684 Energy | 0 | 0 | $64.51 | $3.62 |
| Jan 202684 Energy | 0 | 0 | $60.04 | $7.72 |
| Dec 202584 Energy | 0 | 0 | $57.97 | $4.26 |
| Nov 202584 Energy | 0 | 0 | $60.06 | $3.79 |
| Oct 202584 Energy | 0 | 0 | $60.89 | $3.19 |
| Sep 202584 Energy | 0 | 0 | $63.96 | $2.97 |
| Aug 202584 Energy | 0 | 0 | $64.86 | $2.91 |
| Jul 202584 Energy | 0 | 0 | $68.39 | $3.20 |
| Jun 202584 Energy | 0 | 0 | $68.17 | $3.02 |
| May 202584 Energy | 0 | 0 | $62.17 | $3.12 |
| Apr 202584 Energy | 0 | 0 | $63.54 | $3.42 |
| Mar 202584 Energy | 166 | 0 | $68.24 | $4.12 |
| Feb 202584 Energy | 0 | 0 | $71.53 | $4.19 |
| Jan 202584 Energy | 0 | 0 | $75.74 | $4.13 |
| Dec 2024GTG Operating, | 0 | 0 | $70.12 | $3.01 |
| Nov 2024GTG Operating, | 0 | 0 | $69.95 | $2.12 |
| Oct 2024GTG Operating, | 0 | 0 | $71.99 | $2.20 |
| Sep 2024GTG Operating, | 0 | 0 | $70.24 | $2.28 |
| Aug 2024GTG Operating, | 0 | 0 | $76.68 | $1.99 |
| Jul 2024GTG Operating, | 0 | 0 | $81.80 | $2.07 |
| Jun 2024GTG Operating, | 0 | 0 | $79.77 | $2.54 |
| May 2024GTG Operating, | 0 | 0 | $80.02 | $2.12 |
| Apr 2024GTG Operating, | 0 | 0 | $85.35 | $1.60 |
| Mar 2024GTG Operating, | 0 | 0 | $81.28 | $1.49 |
| Feb 2024GTG Operating, | 0 | 0 | $77.25 | $1.72 |
| Jan 2024GTG Operating, | 0 | 0 | $74.15 | $3.18 |
| Dec 2023GTG Operating, | 0 | 0 | $71.90 | $2.52 |
| Nov 2023GTG Operating, | 0 | 0 | $77.69 | $2.71 |
| Oct 2023GTG Operating, | 0 | 0 | $85.64 | $2.98 |
| Sep 2023GTG Operating, | 0 | 0 | $89.43 | $2.64 |
| Aug 2023GTG Operating, | 0 | 0 | $81.39 | $2.58 |
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 reasonsDo your checks match this lease?
Nearby
This lease belongs to
Iron Jaw Operating LLC in San Patricio County
No other producing leases from this operator in this county are in our data yet.
Odem (Massive Frio) field
No other producing leases in this field are in our data yet.
Leases within 10 km
- WELDER, J. F., UNIT
20 bbl · 0.5 km
- WELDER HEIRS, J. F.
0 bbl · 0.6 km
- WELDER, J.F. UNIT
20 bbl · 0.7 km
- WELDER, J.F. UNIT
20 bbl · 0.8 km
- WELDER, J.F. UNIT
0 bbl · 0.9 km
- WELDER, J. F. "B"
0 bbl · 0.9 km
- WELDER HEIRS, J.F.
0 mcf · 1 km
- WELDER, J.F. UNIT
0 mcf · 1.2 km
- WELDER, J. F.
20 bbl · 1.3 km
- ANGELITA UNIT
0 bbl · 1.3 km
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