42-391-30306
Final CompletionOCONNOR DENNIS ETAL -L-
REFUGIO County · District 2 · T-C OIL COMPANY LLC · LAKE PASTURE (H-440 SAND)
Permits
5
Max Depth
8,100 ft
First Permit
1991-12-23
Latest Activity
2011-08-29
Lifespan
20 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2011-10-19
Shut-In
—
Plugged
2022-04-25
EWA / Permit operator mismatch
Scheduling: T-C OIL COMPANY LLC ≠ Permit: T - C OIL COMPANY
Resolved via: production → 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 (8) Elevation 51 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LAGARTO | 2,250 ft | -2,199 ft |
| MIOCENE (Miocene (undifferentiated)) | 2,250 ft | -2,199 ft |
| CATAHOULA | 3,700 ft | -3,649 ft |
| MIOCENE (Miocene (undifferentiated)) | 3,700 ft | -3,649 ft |
| CATAHOULA | 4,412 ft | -4,361 ft |
| FRIO | 4,476 ft | -4,425 ft |
| GRETA | 4,928 ft | -4,877 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 (7)
| Interval | Type |
|---|---|
| 2,831–2,836 ft | Perforated |
| 4,414–4,418 ft | Perforated |
| 4,420–4,426 ft | Perforated |
| 4,429–4,436 ft | Perforated |
| 4,481–4,487 ft | Perforated |
| 4,519–4,523 ft | Perforated |
| 5,789–5,790 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,534 ft | 641 sx |
| 9.625" | 1,535 ft | 491 sx |
| 5.5" | 5,898 ft | 1,180 sx |
Permit History (5)
O'CONNOR, DENNIS ET AL -L- · 4,500 ft
2011-08-29
Spud 2011-09-28
O'CONNOR, DENNIS ET AL -L- · 4,525 ft
2007-01-31
Spud 2007-01-25
O'CONNOR, DENNIS ET AL -L- · 4,525 ft
2006-02-13
Spud 2006-02-28
O'CONNOR, DENNIS ET AL "L" · 2,850 ft
1998-08-26
Spud 1998-08-14
O'CONNOR, DENNIS ET AL -L- · 8,100 ft
1991-12-23
Spud 1991-12-26
Applications (5)
Records & Logs
10 completion filings on record · 3 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.
No GPS coordinates yet
Well Details
- Well Number
- L 40
- Max Depth
- 8,100 ft
- Drill Type
- Vertical
- County
- REFUGIO
- District
- 2
- Operator
- T-C OIL COMPANY LLC
- Completed
- 2011-10-19
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