42-391-00663
Final CompletionTOM OCONNOR 4400 SAND GAS UNIT
REFUGIO County · District 2 · HILCORP ENERGY COMPANY · TOM OCONNOR (4400)
Permits
2
Max Depth
4,458 ft
First Permit
2005-12-08
Latest Activity
2010-09-09
Lifespan
5 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1976-08-24
Shut-In
—
Plugged
2025-05-09
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 (5) Elevation 57 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LARGARTO (Lagarto) | 2,750 ft | -2,693 ft |
| OAKVILLE | 2,750 ft | -2,693 ft |
| OAKVILLE | 3,300 ft | -3,243 ft |
| ANAHAUC (MIOCENE) | 4,365 ft | -4,308 ft |
| FRIO-GRETA (OLIG) (Frio) | 4,458 ft | -4,401 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 ↗
Perforations (4)
| Interval | Type |
|---|---|
| 2,659–2,666 ft | Perforated |
| 2,847–2,853 ft | Perforated |
| 3,934–3,940 ft | Perforated |
| 4,101–4,112 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 1,026 ft | 500 sx |
| 7" | 4,458 ft | 850 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
- 2G
- Max Depth
- 4,458 ft
- Drill Type
- Vertical
- County
- REFUGIO
- District
- 2
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 1976-08-24
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