42-391-01347
Final CompletionTOM OCONNOR (5800 SD) FLD. UNIT
REFUGIO County · District 2 · HILCORP ENERGY COMPANY · TOM OCONNOR (5800)
Permits
1
Max Depth
6,150 ft
First Permit
2023-06-02
Latest Activity
2023-06-02
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1998-05-26
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
20,000 bbl/d
Max Pressure
1,605 psi
Injection Interval
4,380–4,454 ft
Injected (12mo)
110,023 bbl
Monthly injected volume (bbl, from H-10 filings through 2025-09-01)
Seismicity: no M2+ earthquakes recorded within 10 km in the last 24 months · TexNet catalog
Operator History
Chain of Custody
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (12) Elevation 498 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SURFACE SAND CLAY | 1,500 ft | -1,002 ft |
| LARGARTO (Lagarto) | 2,750 ft | -2,252 ft |
| OAKVILLE | 2,900 ft | -2,402 ft |
| CATAHOULA | 3,300 ft | -2,802 ft |
| OAKVILLE | 3,300 ft | -2,802 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,100 ft | -3,602 ft |
| CATAHOULA | 4,100 ft | -3,602 ft |
| FRIO | 4,265 ft | -3,767 ft |
| ANAHUAC | 4,365 ft | -3,867 ft |
| FRIO-GRETA (Frio) | 4,785 ft | -4,287 ft |
| MIDDLE FRIO (Frio) | 5,400 ft | -4,902 ft |
| LOWER FRIO (Frio) | 6,150 ft | -5,652 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 ↗
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 (3)
| Interval | Type |
|---|---|
| 4,388–4,424 ft | Perforated |
| 5,840–5,870 ft | Perforated |
| ?–5,800 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 1,204 ft | 528 sx |
| 7" | 5,899 ft | 528 sx |
Permit History (1)
Applications (1)
Records & Logs
3 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.
Well Details
- Well Number
- 65
- Max Depth
- 6,150 ft
- Drill Type
- Vertical
- County
- REFUGIO
- District
- 2
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 1998-05-26
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
- 3,435