42-391-01152
Final CompletionTOM OCONNOR (5800 SD) FLD. UNIT
REFUGIO County · District 2 · HILCORP ENERGY COMPANY
Permits
4
Max Depth
5,918 ft
First Permit
1987-09-22
Latest Activity
2024-03-18
Lifespan
36 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
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
6,000 bbl/d
Max Pressure
2,200 psi
Injection Interval
4,410–4,475 ft
Injected (12mo)
—
Monthly injected volume (bbl, from H-10 filings through 2025-09-01)
Seismicity: no M2+ earthquakes recorded within 10 km in the last 24 months · TexNet catalog
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (12) Elevation 53 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LARGARTO (Lagarto) | 1,500 ft | -1,447 ft |
| OAKVILLE | 2,750 ft | -2,697 ft |
| CATAHOULA (MIOCENE) (Catahoula) | 3,300 ft | -3,247 ft |
| CATAHOULA | 3,599 ft | -3,546 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,100 ft | -4,047 ft |
| FRIO | 4,353 ft | -4,300 ft |
| FRIO-GRETA (OLIGOCENE) (Frio) | 4,365 ft | -4,312 ft |
| MIDDLE FRIO (SINTON) (Frio) | 5,000 ft | -4,947 ft |
| 5800 FRIO | 5,750 ft | -5,697 ft |
| LOWER FRIO (OLIGOCENE) (Frio) | 5,880 ft | -5,827 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 ↗
Offset Well Tops (nearest 8 wells with tops)
What nearby completed wells reported.
Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).
Perforations (8)
| Interval | Type |
|---|---|
| 5,147–5,157 ft | Perforated |
| 5,210–5,216 ft | Perforated |
| 5,315–5,322 ft | Perforated |
| 5,755–5,764 ft | Perforated |
| 5,758–5,762 ft | Perforated |
| 5,766–5,772 ft | Perforated |
| 5,848–5,862 ft | Perforated |
| ?–5,764 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,038 ft | 350 sx |
| 5.5" | 5,916 ft | 500 sx |
Permit History (4)
TOM OCONNOR (5800 SD) FLD. UNIT · 5,918 ft
2024-03-18
THOMAS O'CONNOR 'C' · 5,918 ft
2010-11-29
Spud 2010-11-19
O'CONNOR, THOMAS "C" · 5,918 ft
2005-03-03
Spud 2005-05-13
TOM O'CONNOR (5800 SD)FIELD UNIT · 5,918 ft
1987-09-22
Applications (4)
Records & Logs
10 completion filings on record · 2 with log images at RRC.
+4 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.
Well Details
- Well Number
- Q238
- Max Depth
- 5,918 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