42-391-32652
Final CompletionDUKE RANCH F
REFUGIO County · District 2 · T-C OIL COMPANY LLC · TEJAS (FRIO 4450)
Permits
5
Max Depth
6,000 ft
First Permit
2005-01-27
Latest Activity
2011-06-23
Lifespan
6 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2008-06-03
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: T-C OIL COMPANY LLC ≠ Permit: T - C OIL COMPANY
Resolved via: scheduling → T-C OIL COMPANY LLC
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
2005-07
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 (4) Elevation 96 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LAGARTO | 1 ft | +95 ft |
| MIOCENE (Miocene (undifferentiated)) | 2,090 ft | -1,994 ft |
| CATAHOULA | 3,400 ft | -3,304 ft |
| GRETA | 4,125 ft | -4,029 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 ↗
Perforations (5)
| Interval | Type |
|---|---|
| 1,325–1,327 ft | Perforated |
| 1,328–1,338 ft | Perforated |
| 3,446–3,449 ft | Perforated |
| 4,432–4,441 ft | Perforated |
| 4,760–4,771 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 715 ft | 373 sx |
| 4.5" | 5,712 ft | 1,640 sx |
Permit History (5)
DUKE RANCH "F" · 1,451 ft
2011-06-23
Spud 2011-06-13
DUKE RANCH "F" · 4,307 ft
2010-11-03
Spud 2010-10-18
DUKE RANCH "F" · 4,800 ft
2008-06-21
Spud 2008-05-29
DUKE RANCH -F- · 6,000 ft
2005-01-27
Spud 2005-04-11
DUKE RANCH -F- · 6,000 ft
2005-01-27
Spud 2005-04-11
Applications (5)
Records & Logs
7 completion filings on record · 4 with log images at RRC.
+1 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
- 1
- Max Depth
- 6,000 ft
- Drill Type
- Vertical
- County
- REFUGIO
- District
- 2
- Operator
- T-C OIL COMPANY LLC
- Completed
- 2008-06-03
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