42-391-01467
Final CompletionTHOMAS O'CONNOR 'A'
REFUGIO County · District 2 · HILCORP ENERGY COMPANY
Permits
5
Max Depth
5,902 ft
First Permit
1987-08-03
Latest Activity
2017-12-01
Lifespan
30 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 (25) Elevation 52 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LARGARTO (Lagarto) | 1,500 ft | -1,448 ft |
| LARGARTO (Lagarto) | 2,750 ft | -2,698 ft |
| OAKVILLE | 2,750 ft | -2,698 ft |
| OAKVILLE | 2,900 ft | -2,848 ft |
| CATAHOULA (MIOCENE) (Catahoula) | 3,300 ft | -3,248 ft |
| OAKVILLE | 3,300 ft | -3,248 ft |
| CATAHOULA | 3,600 ft | -3,548 ft |
| CATAHOULA | 3,602 ft | -3,550 ft |
| ANAHUAC | 4,100 ft | -4,048 ft |
| ANAHUAC(MIOCENE) (Anahuac) | 4,100 ft | -4,048 ft |
| CATAHOULA(MIOCENE) (Catahoula) | 4,100 ft | -4,048 ft |
| GRETA | 4,300 ft | -4,248 ft |
| FRIO | 4,346 ft | -4,294 ft |
| ANAHUAC(MIOCENE) (Anahuac) | 4,365 ft | -4,313 ft |
| FRIO-GRETA (OLIGOCENE) (Frio) | 4,365 ft | -4,313 ft |
| FRIO-GRETA(OLIG) (Frio) | 4,785 ft | -4,733 ft |
| MIDDLE FRIO (SINTON) (Frio) | 5,000 ft | -4,948 ft |
| UPPER FRIO (Frio) | 5,000 ft | -4,948 ft |
| 5200 EAST TOP | 5,129 ft | -5,077 ft |
| MIDDLE FRIO(SINTON) (Frio) | 5,400 ft | -5,348 ft |
| LOWER FRIO (Frio) | 5,800 ft | -5,748 ft |
| LOWER FRIO (OLIGOCENE) (Frio) | 5,880 ft | -5,828 ft |
| LOWER FRIO (OLIGOCENE) (Frio) | 5,902 ft | -5,850 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 (7)
| Interval | Type |
|---|---|
| 5,158–5,165 ft | Perforated |
| 5,160–5,167 ft | Perforated |
| 5,377–5,381 ft | Perforated |
| 5,389–5,397 ft | Perforated |
| 5,472–5,478 ft | Perforated |
| 5,480–5,487 ft | Perforated |
| 5,688–5,693 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 625 ft | 150 sx |
| 7" | 5,900 ft | 535 sx |
Permit History (5)
THOMAS O'CONNOR 'A' · 5,902 ft
2017-12-01
Spud 2014-01-29
THOMAS O'CONNOR 'A' · 5,902 ft
2014-03-05
THOMAS O'CONNOR 'A' · 5,902 ft
2011-05-20
Spud 2011-06-09
THOMAS O'CONNOR "A" · 5,902 ft
2002-03-21
Spud 2002-03-22
O'CONNOR, THOMAS "A" · 5,902 ft
1987-08-03
Applications (5)
Records & Logs
13 completion filings on record · 2 with log images at RRC.
+7 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
- 36
- Max Depth
- 5,902 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