42-391-00497
Final CompletionTOM O'CONNOR (5800 SD) FLD. UNIT
REFUGIO County · District 2 · HILCORP ENERGY COMPANY
Permits
4
Max Depth
5,915 ft
First Permit
1996-06-24
Latest Activity
2017-02-27
Lifespan
21 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 (15) Elevation 54 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LARGARTO (Lagarto) | 1,500 ft | -1,446 ft |
| OAKVILLE | 2,750 ft | -2,696 ft |
| CATAHOULA (MIOCENE) (Catahoula) | 3,300 ft | -3,246 ft |
| CATAHOULA(MIOCENE) (Catahoula) | 3,300 ft | -3,246 ft |
| CATAHOULA | 3,630 ft | -3,576 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,100 ft | -4,046 ft |
| ANAHUAC(MIOCENE) (Anahuac) | 4,100 ft | -4,046 ft |
| FRIO-GRETA (OLIBOCENE) (Frio) | 4,365 ft | -4,311 ft |
| FRIO-GRETA(OLIGOCENE) (Frio) | 4,365 ft | -4,311 ft |
| FRIO | 4,412 ft | -4,358 ft |
| MIDDLE FRIO (SINTON) (Frio) | 5,000 ft | -4,946 ft |
| MIDDLE FRIO(SINTON) (Frio) | 5,000 ft | -4,946 ft |
| LOWER FRIO (OLIGOCENE) (Frio) | 5,880 ft | -5,826 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 ↗
Perforations (5)
| Interval | Type |
|---|---|
| 5,097–5,103 ft | Perforated |
| 5,341–5,346 ft | Perforated |
| 5,867–5,872 ft | Perforated |
| 5,878–5,885 ft | Perforated |
| ?–5,903 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,180 ft | 350 sx |
| 5.5" | 5,913 ft | 500 sx |
Permit History (4)
TOM O'CONNOR (5800 SD) FLD. UNIT · 5,915 ft
2017-02-27
Spud 2017-06-13
WILLIAMS, MAUDE ET AL "A" · 5,915 ft
2003-02-28
Spud 2003-04-21
WILLIAMS, MAUDE ET AL "A" · 5,915 ft
2001-02-06
WILLIAMS, MAUDE ET AL "A" · 5,915 ft
1996-06-24
Spud 1996-06-03
Applications (4)
Records & Logs
8 completion filings on record · 2 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.
No GPS coordinates yet
Well Details
- Well Number
- Q861
- Max Depth
- 5,915 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