42-391-00570
Final CompletionTOM OCONNOR (5800 SD) FLD. UNIT
REFUGIO County · District 2 · HILCORP ENERGY COMPANY
Permits
3
Max Depth
5,925 ft
First Permit
2000-02-17
Latest Activity
2024-06-18
Lifespan
24 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
3,500 bbl/d
Max Pressure
2,820 psi
Injection Interval
5,640–5,770 ft
Injected (12mo)
—
Seismicity: no M2+ earthquakes recorded within 10 km in the last 24 months · TexNet catalog
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (20) Elevation 51 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LARGARTO (Lagarto) | 1,500 ft | -1,449 ft |
| SURFACE SAND CLAY | 1,500 ft | -1,449 ft |
| LARGARTO (Lagarto) | 2,750 ft | -2,699 ft |
| OAKVILLE | 2,750 ft | -2,699 ft |
| CATAHOULA (MIOCENE) (Catahoula) | 3,300 ft | -3,249 ft |
| OAKVILLE | 3,300 ft | -3,249 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,100 ft | -4,049 ft |
| ANAHUAC(MIOCENE) (Anahuac) | 4,100 ft | -4,049 ft |
| CATAHOULA | 4,100 ft | -4,049 ft |
| FRIO | 4,362 ft | -4,311 ft |
| ANAHUAC | 4,365 ft | -4,314 ft |
| FRIO-GRETA (Frio) | 4,365 ft | -4,314 ft |
| FRIO-GRETA (OLIGOCENE) (Frio) | 4,365 ft | -4,314 ft |
| FRIO-GRETA (Frio) | 4,785 ft | -4,734 ft |
| MIDDLE FRIO (SINTON) (Frio) | 5,000 ft | -4,949 ft |
| MIDDLE FRIO (Frio) | 5,400 ft | -5,349 ft |
| LOWER FRI (OLIGOCENE) | 5,880 ft | -5,829 ft |
| LOWER FRIO (OLIGOCENE) (Frio) | 5,880 ft | -5,829 ft |
| LOWER FRIO (Frio) | 5,925 ft | -5,874 ft |
| LOWER FRIO 5925 (Frio) | — | — |
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 (6)
| Interval | Type |
|---|---|
| 5,520–? ft | Perforated |
| 5,770–5,777 ft | Perforated |
| 5,770–5,794 ft | Perforated |
| 5,801–5,806 ft | Perforated |
| 5,866–5,879 ft | Perforated |
| 5,872–5,879 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,053 ft | 350 sx |
| 5" | 5,923 ft | 500 sx |
Permit History (3)
Applications (3)
Records & Logs
13 completion filings on record · 1 with log images at RRC.
+7 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
- Q348
- Max Depth
- 5,925 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
- 3,428