Texas oil lease
Shut inKORUS, C. F. -D-
Korus, C. F. -D- is an oil lease in Atascosa County, Texas, operated by Pillar Efs, LLC in the Dinsmoor (Carrizo) field.
2 wells
- Operator
- Pillar Efs, LLC
- County
- Atascosa County
- Field
- Dinsmoor (Carrizo)
- RRC lease
- 01-00509
Is your check right?
Where it sits
This county
- Oil in Jun 2026
- 0 bbl
- Reporting since
- Jan 2020
Checks stopped on this lease?
- P-5
The current operator's P-5 registration is listed as inactive since Jul 21, 2026 (last P-5 filed Mar 2, 2026).
- Sales
No sales reported for the last 12 months of state data (through Jul 2026).
- Wells
All 2 wells on this lease are marked plugged.
SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.
See why checks stop on this leaseProduction by month
No production to chart
Where the gas went
No gas disposition reported for this lease
Who has run this lease
The operator changed once, most recently in Jan 2023
- Pillar Efs, LLC Jan 2023 to Jun 2026
- Guinn Operating Company, LLC Jan 2020 to Dec 2022
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
2 wells on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-013-00860 | 1 | Active |
| 42-013-00861 | 2 | Active |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From |
|---|---|---|---|---|
| Gulfmark Energy, Inc. | Oil | Gathers | 100 | Aug 1, 2013 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
What the drilling permits say
- Good to know
The state has no unit acreage for this lease
Ask the operator for the acreage on your well's division order and unit plat.
- Good to know
All listed wells are plugged
The RRC wellbore records mark all listed wells as plugged. These records do not show whether earlier royalties remain payable. Ask the payor about any unpaid months.
| API number | Well no. | Permit issued | Completed | Acreson the permit |
|---|---|---|---|---|
| 42-013-00860 | 1 | – | Jan 12, 1984 | – |
| 42-013-00861 | 2 | – | Jan 12, 1984 | – |
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 2026Pillar Efs, | 0 | 0 | $84.81 | $3.15 |
| May 2026Pillar Efs, | 0 | 0 | $102.13 | $2.94 |
| Apr 2026Pillar Efs, | 0 | 0 | $100.32 | $2.77 |
| Mar 2026Pillar Efs, | 0 | 0 | $91.38 | $3.04 |
| Feb 2026Pillar Efs, | 0 | 0 | $64.51 | $3.62 |
| Jan 2026Pillar Efs, | 0 | 0 | $60.04 | $7.72 |
| Dec 2025Pillar Efs, | 0 | 0 | $57.97 | $4.26 |
| Nov 2025Pillar Efs, | 0 | 0 | $60.06 | $3.79 |
| Oct 2025Pillar Efs, | 0 | 0 | $60.89 | $3.19 |
| Sep 2025Pillar Efs, | 0 | 0 | $63.96 | $2.97 |
| Aug 2025Pillar Efs, | 0 | 0 | $64.86 | $2.91 |
| Jul 2025Pillar Efs, | 0 | 0 | $68.39 | $3.20 |
| Jun 2025Pillar Efs, | 0 | 0 | $68.17 | $3.02 |
| May 2025Pillar Efs, | 0 | 0 | $62.17 | $3.12 |
| Apr 2025Pillar Efs, | 0 | 0 | $63.54 | $3.42 |
| Mar 2025Pillar Efs, | 0 | 0 | $68.24 | $4.12 |
| Feb 2025Pillar Efs, | 0 | 0 | $71.53 | $4.19 |
| Jan 2025Pillar Efs, | 0 | 0 | $75.74 | $4.13 |
| Dec 2024Pillar Efs, | 0 | 0 | $70.12 | $3.01 |
| Nov 2024Pillar Efs, | 0 | 0 | $69.95 | $2.12 |
| Oct 2024Pillar Efs, | 0 | 0 | $71.99 | $2.20 |
| Sep 2024Pillar Efs, | 0 | 0 | $70.24 | $2.28 |
| Aug 2024Pillar Efs, | 0 | 0 | $76.68 | $1.99 |
| Jul 2024Pillar Efs, | 0 | 0 | $81.80 | $2.07 |
| Jun 2024Pillar Efs, | 0 | 0 | $79.77 | $2.54 |
| May 2024Pillar Efs, | 0 | 0 | $80.02 | $2.12 |
| Apr 2024Pillar Efs, | 0 | 0 | $85.35 | $1.60 |
| Mar 2024Pillar Efs, | 0 | 61 | $81.28 | $1.49 |
| Feb 2024Pillar Efs, | 0 | 0 | $77.25 | $1.72 |
| Jan 2024Pillar Efs, | 0 | 0 | $74.15 | $3.18 |
| Dec 2023Pillar Efs, | 0 | 0 | $71.90 | $2.52 |
| Nov 2023Pillar Efs, | 0 | 0 | $77.69 | $2.71 |
| Oct 2023Pillar Efs, | 0 | 0 | $85.64 | $2.98 |
| Sep 2023Pillar Efs, | 0 | 0 | $89.43 | $2.64 |
| Aug 2023Pillar Efs, | 0 | 0 | $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
Pillar Efs, LLC in Atascosa County
No other producing leases from this operator in this county are in our data yet.
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