42-391-31860
Final CompletionOCONNOR, THOMAS, -C-
REFUGIO County · District 2 · HILCORP ENERGY COMPANY
Permits
5
Max Depth
8,000 ft
First Permit
1985-05-31
Latest Activity
2023-07-24
Lifespan
38 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
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (12) Elevation 58 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LARGARTO (Lagarto) | 1,500 ft | -1,442 ft |
| LARGARTO (Lagarto) | 2,750 ft | -2,692 ft |
| OAKVILLE | 2,750 ft | -2,692 ft |
| CATAHOULA | 3,300 ft | -3,242 ft |
| CATAHOULA (MIOCENE) (Catahoula) | 3,300 ft | -3,242 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,100 ft | -4,042 ft |
| FRIO | 4,365 ft | -4,307 ft |
| FRIO-GRETA (OLIGOCENE) (Frio) | 4,365 ft | -4,307 ft |
| MIDDLE FRIO (SINTON) (Frio) | 5,000 ft | -4,942 ft |
| LOWER FRIO (OLIGOCENE) (Frio) | 5,880 ft | -5,822 ft |
| LOWER FRIO OLIGOCENE) (Frio) | 5,880 ft | -5,822 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 ↗
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 (5)
| Interval | Type |
|---|---|
| 5,453–5,457 ft | Perforated |
| 5,520–5,526 ft | Perforated |
| 5,831–5,838 ft | Perforated |
| 5,887–5,892 ft | Perforated |
| 6,579–6,585 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 1,520 ft | 815 sx |
| 7" | 7,929 ft | 2,238 sx |
Permit History (5)
OCONNOR, THOMAS, -C- · 7,934 ft
2023-07-24
Spud 2023-07-11
O'CONNOR, THOMAS "C" · 7,934 ft
2005-08-16
O'CONNOR, THOMAS "C" · 7,934 ft
2005-06-30
Spud 2005-06-07
TOM O'CONNOR (5800'SAND)FIELD UT · 8,000 ft
1991-12-18
O'CONNOR, THOMAS "C" · 8,000 ft
1985-05-31
Spud 1985-06-12
Applications (5)
Records & Logs
8 completion filings on record · 1 with log images at RRC.
+2 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
- 88
- Max Depth
- 8,000 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