42-391-01145
Final CompletionTOM OCONNOR (5800 SD) FLD. UNIT
REFUGIO County · District 2 · HILCORP ENERGY COMPANY · TOM OCONNOR (5800)
Permits
3
Max Depth
6,000 ft
First Permit
1981-12-03
Latest Activity
2008-01-28
Lifespan
26 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1987-07-09
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
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (8) Elevation 51 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LARGARTO (Lagarto) | 1,500 ft | -1,449 ft |
| OAKVILLE | 2,750 ft | -2,699 ft |
| CATAHOULA (MIOCENE) (Catahoula) | 3,300 ft | -3,249 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,100 ft | -4,049 ft |
| FRIO-GRETA (OLIGOCENE) (Frio) | 4,365 ft | -4,314 ft |
| MIDDLE FRIO (SINTON) (Frio) | 5,000 ft | -4,949 ft |
| LOWER FRIO (OLIGOCENE) (Frio) | 5,880 ft | -5,829 ft |
| NO CHANGE | — | — |
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 (4)
| Interval | Type |
|---|---|
| 5,166–5,173 ft | Perforated |
| 5,510–5,518 ft | Perforated |
| 5,538–5,548 ft | Perforated |
| 5,706–5,714 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 1,235 ft | 450 sx |
| 2.375" | 5,519 ft | — |
| 7" | 5,956 ft | 675 sx |
Permit History (3)
Applications (3)
Records & Logs
7 completion filings on record · 2 with log images at RRC.
+1 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
- 55
- Max Depth
- 6,000 ft
- Drill Type
- Vertical
- County
- REFUGIO
- District
- 2
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 1987-07-09
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
- 3,428