42-391-01139
Final CompletionOCONNOR THOMAS -C-
REFUGIO County · District 2 · HILCORP ENERGY COMPANY · TOM OCONNOR (4500 GRETA MASS.)
Permits
3
Max Depth
4,500 ft
First Permit
1998-07-03
Latest Activity
1999-11-16
Lifespan
1 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: HILCORP ENERGY COMPANY ≠ Permit: QUINTANA PET. CORP.
Resolved via: production → HILCORP ENERGY COMPANY
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 (9) Elevation 59 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SURFACE SAND CLAY | 1,500 ft | -1,441 ft |
| LARGARTO (Lagarto) | 2,750 ft | -2,691 ft |
| OAKVILLE | 3,300 ft | -3,241 ft |
| CATAHOULA (MIOCENE) (Catahoula) | 4,100 ft | -4,041 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,365 ft | -4,306 ft |
| FRIO-GRETA (OLIG) (Frio) | 4,500 ft | -4,441 ft |
| LOWER FRIO (OLIG) (Frio) | 4,500 ft | -4,441 ft |
| FRIO-GRETA (OLIG) (Frio) | 4,785 ft | -4,726 ft |
| MIDDLE FRIO (SINTON) (Frio) | 5,400 ft | -5,341 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 (3)
| Interval | Type |
|---|---|
| 4,041–4,052 ft | Perforated |
| 4,109–4,124 ft | Perforated |
| ?–4,378 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,015 ft | 400 sx |
| 8.625" | 1,016 ft | 400 sx |
| 4.5" | 4,482 ft | 600 sx |
Permit History (3)
Applications (3)
Records & Logs
5 completion filings on record · 2 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
- 4,500 ft
- Drill Type
- Vertical
- County
- REFUGIO
- District
- 2
- Operator
- HILCORP ENERGY COMPANY
Operator
- Name
- HILCORP ENGY CO
- Location
- HOUSTON
- P-5 Status
- X (filed 2026-03-27)
- Cum Oil (all leases)
- 75,699,281 bbl
- Cum Gas (all leases)
- 1,779,939,645 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 3,439