Permits
4
Max Depth
6,000 ft
First Permit
2005-07-25
Latest Activity
2026-01-29
Lifespan
21 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2010-03-16
Shut-In
—
Plugged
—
Production Summary Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
Cum Oil
— bbl
Cum Gas
— mcf
First Production
2005-08
Last Production
2026-07
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (8) Elevation 101 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LAGARTO | 1 ft | +100 ft |
| LAGARTO | 2,075 ft | -1,974 ft |
| MIOCENE (Miocene (undifferentiated)) | 2,075 ft | -1,974 ft |
| CATAHOULA | 3,410 ft | -3,309 ft |
| MIOCENE (Miocene (undifferentiated)) | 3,410 ft | -3,309 ft |
| CATAHOULA | 3,940 ft | -3,839 ft |
| FRIO | 3,940 ft | -3,839 ft |
| LAGARTO | — | — |
As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗
Perforations (4)
| Interval | Type |
|---|---|
| 4,515–4,523 ft | Perforated |
| 4,836–4,838 ft | Perforated |
| 5,067–5,075 ft | Perforated |
| 5,192–5,212 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 2,030 ft | 715 sx |
| 4.5" | 5,399 ft | 1,155 sx |
Permit History (4)
DUKE RANCH -M- · 5,402 ft
2026-01-29
DUKE RANCH -M- · 5,175 ft
2010-03-04
Spud 2010-03-09
DUKE RANCH -M- · 5,075 ft
2008-07-02
Spud 2008-05-15
DUKE RANCH -M- · 6,000 ft
2005-07-25
Spud 2005-07-31
Applications (4)
Records & Logs
8 completion filings on record · 3 with log images at RRC.
+2 more filings
Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 2
- Max Depth
- 6,000 ft
- Drill Type
- Vertical
- County
- GOLIAD
- District
- 2
- Operator
- T-C OIL COMPANY LLC
- Completed
- 2010-03-16
Operator
- Name
- T-C OIL CO, LLC
- Location
- REFUGIO
- P-5 Status
- Active (filed 2025-12-03)
- Cum Oil (all leases)
- 13,683,333 bbl
- Cum Gas (all leases)
- 22,912,895 mcf
- Activities
- CSGD/P, G/PUR, OPRS/G, OPRS/O
- Total Permits
- 283