42-391-00454
Final CompletionTOM OCONNOR (5800 SD) FLD. UNIT
REFUGIO County · District 2 · HILCORP ENERGY COMPANY · TOM OCONNOR (5800)
Permits
2
Max Depth
5,917 ft
First Permit
2001-11-05
Latest Activity
2005-08-30
Lifespan
4 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
Shut-In
—
Plugged
2025-12-17
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
4,000 bbl/d
Max Pressure
2,500 psi
Injection Interval
5,485–5,510 ft
Injected (12mo)
155,701 bbl
Permitted Volume
10,000 bbl/d
Max Pressure
2,855 psi
Injection Interval
5,710–5,780 ft
Injected (12mo)
155,701 bbl
Monthly injected volume (bbl, from H-10 filings through 2025-11-01)
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (5) Elevation 54 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CATAHOULA | 3,590 ft | -3,536 ft |
| FRIO | 4,379 ft | -4,325 ft |
| M. FRIO SINTON | 5,006 ft | -4,952 ft |
| JACKSON/YEGUA (Jackson) | — | — |
| 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 (2)
| Interval | Type |
|---|---|
| 5,496–5,504 ft | Perforated |
| 5,740–5,752 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,032 ft | 350 sx |
| 5.5" | 5,914 ft | 550 sx |
Permit History (2)
Applications (2)
Records & Logs
6 completion filings on record · 1 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
- A 58
- Max Depth
- 5,917 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