42-391-30277
Final CompletionT-C OIL CO. - O'CONNOR
REFUGIO County · District 2 · T-C OIL COMPANY, LLC
Permits
5
Max Depth
7,784 ft
First Permit
1983-03-22
Latest Activity
2017-06-08
Lifespan
34 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
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 (10) Elevation 59 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LAGARTO | 1 ft | +58 ft |
| LARGARTO (Lagarto) | 1 ft | +58 ft |
| EOCENE | 2,250 ft | -2,191 ft |
| MIOCENE (Miocene (undifferentiated)) | 3,000 ft | -2,941 ft |
| MIOCENE (Miocene (undifferentiated)) | 3,020 ft | -2,961 ft |
| CATAHOULA | 3,680 ft | -3,621 ft |
| GRETA | 4,360 ft | -4,301 ft |
| FRIO | 4,825 ft | -4,766 ft |
| FRIO | 5,010 ft | -4,951 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 ↗
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 (7)
| Interval | Type |
|---|---|
| 4,425–4,429 ft | Perforated |
| 4,435–4,439 ft | Perforated |
| 4,442–4,446 ft | Perforated |
| 5,726–5,730 ft | Perforated |
| 5,749–5,752 ft | Perforated |
| 5,875–5,880 ft | Perforated |
| 6,937–? ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,528 ft | 725 sx |
| 9.625" | 1,528 ft | 725 sx |
| 5.5" | 7,061 ft | 1,400 sx |
| 5.5" | 7,061 ft | 1,500 sx |
Permit History (5)
T-C OIL CO. - O'CONNOR · 5,700 ft
2017-06-08
Spud 2017-04-21
T-C OIL COMPANY - O'CONNOR · 7,784 ft
1987-11-09
T-C OIL CO.- O'CONNOR · 7,784 ft
1984-02-24
T-C OIL CO. - O'CONNOR · 7,784 ft
1983-04-11
T - C OIL CO. - O'CONNOR · 7,784 ft
1983-03-22
Applications (5)
Records & Logs
10 completion filings on record · 1 with log images at RRC.
+4 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.
Well Details
- Well Number
- 56
- Max Depth
- 7,784 ft
- Drill Type
- Vertical
- County
- REFUGIO
- 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