42-391-00747
Final CompletionTOM OCONNOR (5800 SD) FLD. UNIT
REFUGIO County · District 2 · HILCORP ENERGY COMPANY · TOM OCONNOR (5800)
Permits
2
Max Depth
5,961 ft
First Permit
2001-06-01
Latest Activity
2005-06-21
Lifespan
4 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1985-04-26
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
10,000 bbl/d
Max Pressure
2,000 psi
Injection Interval
4,130–4,185 ft
Injected (12mo)
—
Monthly injected volume (bbl, from H-10 filings through 2025-09-01)
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (24) Elevation 54 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LARGARTO (Lagarto) | 1,500 ft | -1,446 ft |
| LARGARTO (Lagarto) | 1,840 ft | -1,786 ft |
| OAKVILLE | 2,600 ft | -2,546 ft |
| LARGARTO (Lagarto) | 2,750 ft | -2,696 ft |
| OAKVILLE | 2,750 ft | -2,696 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 3,300 ft | -3,246 ft |
| CATAHOULA (MIOCENE) (Catahoula) | 3,300 ft | -3,246 ft |
| OAKVILLE | 3,300 ft | -3,246 ft |
| CATAHOULA | 3,590 ft | -3,536 ft |
| ANAHUAC(MIOCENE) (Anahuac) | 4,100 ft | -4,046 ft |
| CATAHOULA (MIOCENE) (Catahoula) | 4,100 ft | -4,046 ft |
| ANAHUAC | 4,180 ft | -4,126 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,365 ft | -4,311 ft |
| FRIO-GRETA (OLIG) (Frio) | 4,365 ft | -4,311 ft |
| FRIO-GRETA (OLIGOCENE) (Frio) | 4,365 ft | -4,311 ft |
| GRETA | 4,380 ft | -4,326 ft |
| FRIO-GRETA (OLIG) (Frio) | 4,785 ft | -4,731 ft |
| MIDDLE FRIO (SINTON) (Frio) | 4,785 ft | -4,731 ft |
| MIDDLE FRIO(SINTON) (Frio) | 5,000 ft | -4,946 ft |
| CATAHOULA (MIOCENE) (Catahoula) | 5,400 ft | -5,346 ft |
| MIDDLE FRIO (SINTON) (Frio) | 5,400 ft | -5,346 ft |
| LOWER FRIO (OLIGOCENE) (Frio) | 5,880 ft | -5,826 ft |
| LOWER FRIO (OLIG) (Frio) | 5,961 ft | -5,907 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 (3)
| Interval | Type |
|---|---|
| 4,151–4,165 ft | Perforated |
| 5,814–5,821 ft | Perforated |
| 5,867–5,883 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 1,228 ft | 528 sx |
| 10.75" | 1,228 ft | 528 sx |
| 7" | 5,917 ft | 528 sx |
| 7" | 5,917 ft | 528 sx |
Permit History (2)
Applications (2)
Records & Logs
9 completion filings on record · 1 with log images at RRC.
+3 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
- W103A
- Max Depth
- 5,961 ft
- Drill Type
- Vertical
- County
- REFUGIO
- District
- 2
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 1985-04-26
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
- 3,428