42-391-01606
Final CompletionTOM OCONNOR (5800 SD) FLD. UNIT
REFUGIO County · District 2 · HILCORP ENERGY COMPANY · TOM OCONNOR (5800)
Permits
1
Max Depth
5,919 ft
First Permit
1999-07-29
Latest Activity
1999-07-29
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1999-09-09
Shut-In
—
Plugged
2005-08-23
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
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 (8) Elevation 48 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SURFACE SAND CLAY | 1,500 ft | -1,452 ft |
| LARGARTO (Lagarto) | 2,750 ft | -2,702 ft |
| OAKVILLE | 3,300 ft | -3,252 ft |
| CATAHOULA | 4,100 ft | -4,052 ft |
| ANAHUAC | 4,365 ft | -4,317 ft |
| MIDDLE FRIO (Frio) | 4,785 ft | -4,737 ft |
| LOWER FRIO (Frio) | 5,400 ft | -5,352 ft |
| LOWER FRIO (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 ↗
Perforations (3)
| Interval | Type |
|---|---|
| 5,812–5,837 ft | Perforated |
| 5,875–5,881 ft | Perforated |
| ?–5,457 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 1,127 ft | 500 sx |
| 10.75" | 1,127 ft | 632 sx |
| 5" | 5,895 ft | 500 sx |
| 5" | 5,895 ft | 632 sx |
Permit History (1)
Applications (1)
Records & Logs
5 completion filings on record.
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
- C226
- Max Depth
- 5,919 ft
- Drill Type
- Vertical
- County
- REFUGIO
- District
- 2
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 1999-09-09
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