Permits
5
Max Depth
7,000 ft
First Permit
2006-02-03
Latest Activity
2026-01-28
Lifespan
20 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
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
2006-04
Last Production
2010-10
Injection / Disposal
Permitted Volume
3,000 bbl/d
Max Pressure
1,750 psi
Injection Interval
3,536–3,720 ft
Injected (12mo)
—
Seismicity: no M2+ earthquakes recorded within 10 km in the last 24 months · TexNet catalog
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (5) Elevation 109 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LAGARTO | 1 ft | +108 ft |
| MIOCENE (Miocene (undifferentiated)) | 2,110 ft | -2,001 ft |
| CAAHOULA | 3,190 ft | -3,081 ft |
| CATAHOULA | 3,190 ft | -3,081 ft |
| FRIO | 3,847 ft | -3,738 ft |
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 ↗
Offset Well Tops (nearest 8 wells with tops)
What nearby completed wells reported.
Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).
Perforations (3)
| Interval | Type |
|---|---|
| 4,392–4,398 ft | Perforated |
| 4,590–4,599 ft | Perforated |
| 5,134–5,144 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,839 ft | 682 sx |
| 4.5" | 5,589 ft | 1,180 sx |
Permit History (5)
DUKE RANCH -8- · 5,590 ft
2026-01-28
DUKE RANCH -8- · 5,590 ft
2026-01-28
DUKE RANCH -8- · 4,500 ft
2010-06-09
Spud 2010-06-03
DUKE RANCH -8- · 5,150 ft
2008-05-15
Spud 2008-05-01
DUKE RANCH -8- · 7,000 ft
2006-02-03
Spud 2006-02-22
Applications (5)
Records & Logs
6 completion filings on record · 3 with log images at RRC.
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.
Well Details
- Well Number
- 1
- Max Depth
- 7,000 ft
- Drill Type
- Vertical
- County
- GOLIAD
- District
- 2
- Operator
- T-C OIL COMPANY, LLC
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
- 282