42-391-31492
Final CompletionOCONNOR
REFUGIO County · District 2 · T-C OIL COMPANY LLC · T-C (5600)
Permits
3
Max Depth
6,000 ft
First Permit
1981-06-25
Latest Activity
1987-05-11
Lifespan
6 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1981-09-11
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
1993-01
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 (6) Elevation 66 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LARGARTO (Lagarto) | 1 ft | +65 ft |
| EOCENE | 2,510 ft | -2,444 ft |
| MIOCENE (Miocene (undifferentiated)) | 2,950 ft | -2,884 ft |
| CATAHOULA | 3,740 ft | -3,674 ft |
| GRETA | 4,370 ft | -4,304 ft |
| FRIO | 4,765 ft | -4,699 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 (2)
| Interval | Type |
|---|---|
| 4,183–4,186 ft | Perforated |
| 5,620–5,624 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,372 ft | 620 sx |
| 9.625" | 1,373 ft | 630 sx |
| 2.375" | 5,545 ft | — |
| 5.5" | 5,830 ft | 1,170 sx |
Permit History (3)
Applications (3)
Records & Logs
3 completion filings on record · 1 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.
No GPS coordinates yet
Well Details
- Well Number
- 58
- Max Depth
- 6,000 ft
- Drill Type
- Vertical
- County
- REFUGIO
- District
- 2
- Operator
- T-C OIL COMPANY LLC
- Completed
- 1981-09-11
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