Texas oil lease
Shut inCOCKBURN OIL UNIT
Cockburn Oil Unit is an oil lease in Wharton County, Texas, operated by Charolais Energy, LLC in the Magnet Withers, E.(frio Lower) field.
1 well
- Operator
- Charolais Energy, LLC
- County
- Wharton County
- RRC lease
- 03-23609
Is your check right?
Where it sits
This county
- Oil in Jun 2026
- 0 bbl
- Reporting since
- Jan 2020
Checks stopped on this lease?
- Operator
Operator changed: Charolais Energy, LLC took over from Cotton Valley Resources, LLC in Mar 2025.
- P-5
The previous operator's P-5 registration is listed as inactive since Nov 26, 2025 (last P-5 filed Dec 19, 2024).
- 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
Oil output fell 99% over the last 12 months
Jul 2026 was not reported.
- 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 Mar 2025
- Charolais Energy, LLC Mar 2025 to Jun 2026
- Cotton Valley Resources, LLC Jul 2023 to Feb 2025
- Resource Expl & Prod, Inc. May 2021 to Jun 2023
- Gemarmi Inc. Jan 2020 to Apr 2021
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
1 well on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-481-33287 | 1 | Active |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From |
|---|---|---|---|---|
| Gulfmark Energy, Inc. | Oil | Gathers | 100 | Jun 1, 2015 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
60 acres on the newest permit
- Good to know
A pooling certificate (P-12) was filed
Your tract may share its production with neighbors in a pooled unit. The unit acres the operator uses to divide production can differ from the acreage on one 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.
| API number | Well no. | Permit issued | Completed | Acreson the permit |
|---|---|---|---|---|
| 42-481-33287 | 1 | Nov 6, 1998 | Jul 5, 1990 | 60 |
Estimate your royalty
36 months, newest first
| Month | Oil producedbbl | Oil soldbbl | WTI$/bbl | Henry Hub$/MMBtu |
|---|---|---|---|---|
| Jul 2026No report | – | – | $80.46 | $2.89 |
| Jun 2026Charolais Energy, | 0 | 0 | $84.81 | $3.15 |
| May 2026Charolais Energy, | 0 | 0 | $102.13 | $2.94 |
| Apr 2026Charolais Energy, | 0 | 0 | $100.32 | $2.77 |
| Mar 2026Charolais Energy, | 0 | 0 | $91.38 | $3.04 |
| Feb 2026Charolais Energy, | 0 | 0 | $64.51 | $3.62 |
| Jan 2026Charolais Energy, | 7 | 0 | $60.04 | $7.72 |
| Dec 2025Charolais Energy, | 0 | 0 | $57.97 | $4.26 |
| Nov 2025Charolais Energy, | 0 | 0 | $60.06 | $3.79 |
| Oct 2025Charolais Energy, | 0 | 0 | $60.89 | $3.19 |
| Sep 2025Charolais Energy, | 0 | 0 | $63.96 | $2.97 |
| Aug 2025Charolais Energy, | 0 | 0 | $64.86 | $2.91 |
| Jul 2025Charolais Energy, | 0 | 0 | $68.39 | $3.20 |
| Jun 2025Charolais Energy, | 0 | 0 | $68.17 | $3.02 |
| May 2025Charolais Energy, | 0 | 0 | $62.17 | $3.12 |
| Apr 2025Charolais Energy, | 5 | 0 | $63.54 | $3.42 |
| Mar 2025Charolais Energy, | 0 | 0 | $68.24 | $4.12 |
| Feb 2025Cotton Valley | 7 | 0 | $71.53 | $4.19 |
| Jan 2025Cotton Valley | 7 | 0 | $75.74 | $4.13 |
| Dec 2024Cotton Valley | 125 | 145 | $70.12 | $3.01 |
| Nov 2024Cotton Valley | 181 | 166 | $69.95 | $2.12 |
| Oct 2024Cotton Valley | 218 | 327 | $71.99 | $2.20 |
| Sep 2024Cotton Valley | 144 | 167 | $70.24 | $2.28 |
| Aug 2024Cotton Valley | 166 | 164 | $76.68 | $1.99 |
| Jul 2024Cotton Valley | 98 | 0 | $81.80 | $2.07 |
| Jun 2024Cotton Valley | 150 | 166 | $79.77 | $2.54 |
| May 2024Cotton Valley | 197 | 165 | $80.02 | $2.12 |
| Apr 2024Cotton Valley | 227 | 169 | $85.35 | $1.60 |
| Mar 2024Cotton Valley | 244 | 322 | $81.28 | $1.49 |
| Feb 2024Cotton Valley | 60 | 0 | $77.25 | $1.72 |
| Jan 2024Cotton Valley | 256 | 335 | $74.15 | $3.18 |
| Dec 2023Cotton Valley | 30 | 168 | $71.90 | $2.52 |
| Nov 2023Cotton Valley | 37 | 167 | $77.69 | $2.71 |
| Oct 2023Cotton Valley | 300 | 0 | $85.64 | $2.98 |
| Sep 2023Cotton Valley | 302 | 166 | $89.43 | $2.64 |
| Aug 2023Cotton Valley | 170 | 184 | $81.39 | $2.58 |
No report filed
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
Magnet Withers, E.(frio Lower) field
No other producing leases in this field are in our data yet.
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