42-391-00301
Final CompletionT-C OIL CO.-O'CONNOR
REFUGIO County · District 2 · T-C OIL COMPANY, LLC
Permits
7
Max Depth
5,971 ft
First Permit
1980-07-21
Latest Activity
2013-05-20
Lifespan
33 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
Injection / Disposal
Permitted Volume
—
Max Pressure
—
Injection Interval
—
Injected (12mo)
—
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (8) Elevation 53 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LAGARTO | 1 ft | +52 ft |
| EOCENE | 2,180 ft | -2,127 ft |
| MIOCENE (Miocene (undifferentiated)) | 2,180 ft | -2,127 ft |
| MIOCENE (Miocene (undifferentiated)) | 3,020 ft | -2,967 ft |
| CATAHOULA | 3,670 ft | -3,617 ft |
| GRETA | 4,350 ft | -4,297 ft |
| FRIO | 4,825 ft | -4,772 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 (6)
| Interval | Type |
|---|---|
| 4,466–4,472 ft | Perforated |
| 5,255–5,258 ft | Perforated |
| 5,467–5,471 ft | Perforated |
| 5,623–5,629 ft | Perforated |
| 5,900–5,906 ft | Perforated |
| ?–5,300 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 1,521 ft | 600 sx |
| 5.5" | 5,820 ft | 910 sx |
| 4" | 5,972 ft | 20 sx |
Permit History (7)
T-C OIL CO.-O'CONNOR · 4,500 ft
2013-05-20
Spud 2013-04-05
T-C OIL COMPANY-O'CONNOR · 5,971 ft
1991-05-21
Spud 1991-05-30
T-C OIL COMPANY-O'CONNOR · 5,971 ft
1991-04-17
Spud 1991-04-12
T-C OIL COMPANY - O'CONNOR · 5,971 ft
1987-11-04
T-C OIL COMPANY - O'CONNOR · 5,971 ft
1985-07-19
O'CONNOR, T-C OIL CO. · 5,971 ft
1983-09-07
T-C OIL CO. - O'CONNOR · 5,971 ft
1980-07-21
Applications (7)
Records & Logs
11 completion filings on record · 3 with log images at RRC.
+5 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
- 4
- Max Depth
- 5,971 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