42-391-31839
Final CompletionO CONNOR THOMAS -C-
REFUGIO County · District 2 · HILCORP ENERGY COMPANY · TOM OCONNOR (5900 SAND)
Permits
7
Max Depth
6,300 ft
First Permit
1985-03-12
Latest Activity
2017-08-29
Lifespan
32 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1985-05-10
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 (21) Elevation 57 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LARGARTO (Lagarto) | 1,500 ft | -1,443 ft |
| SURFACE SAND CLAY | 1,500 ft | -1,443 ft |
| LARGARTO (Lagarto) | 2,750 ft | -2,693 ft |
| OAKVILLE | 2,750 ft | -2,693 ft |
| CATAHOULA (MIOCENE) (Catahoula) | 3,300 ft | -3,243 ft |
| OAKVILLE | 3,300 ft | -3,243 ft |
| CATAHOULA | 3,543 ft | -3,486 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,100 ft | -4,043 ft |
| CATAHOULA | 4,100 ft | -4,043 ft |
| FRIO | 4,358 ft | -4,301 ft |
| ANAHAUA | 4,365 ft | -4,308 ft |
| ANAHAUC | 4,365 ft | -4,308 ft |
| FRIO-GRETA (OLIGOCENE) (Frio) | 4,365 ft | -4,308 ft |
| FRIO-GRETA (Frio) | 4,785 ft | -4,728 ft |
| MIDDLE FRIO (SINTO) (Frio) | 5,000 ft | -4,943 ft |
| MIDDLE FRIO (SINTON) (Frio) | 5,000 ft | -4,943 ft |
| MIDDLE FRIO (Frio) | 5,400 ft | -5,343 ft |
| LOWER FRIO (OLIGOCENE) (Frio) | 5,880 ft | -5,823 ft |
| LOWER FRIO (Frio) | 6,152 ft | -6,095 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 (6)
| Interval | Type |
|---|---|
| 4,643–4,646 ft | Perforated |
| 5,147–5,154 ft | Perforated |
| 5,217–5,224 ft | Perforated |
| 5,354–5,364 ft | Perforated |
| 5,680–5,686 ft | Perforated |
| 5,798–5,804 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 1,501 ft | 735 sx |
| 7" | 6,116 ft | 1,160 sx |
Permit History (7)
THOMAS O'CONNOR 'C' · 6,152 ft
2017-08-29
Spud 2017-09-27
THOMAS O'CONNOR "C" · 6,152 ft
2008-02-28
Spud 2008-02-26
O'CONNOR, THOMAS "C" · 6,152 ft
2006-05-03
O'CONNOR, THOMAS 'C' · 6,152 ft
2000-10-16
Spud 2000-12-01
O'CONNOR, THOMAS "C" · 6,152 ft
2000-02-25
Spud 2000-02-04
TOM O'CONNOR(5800SAND)FIELD UNIT · 6,152 ft
1989-02-17
O'CONNOR, THOMAS "C" · 6,300 ft
1985-03-12
Applications (7)
Records & Logs
14 completion filings on record · 6 with log images at RRC.
+8 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
- 87
- Max Depth
- 6,300 ft
- Drill Type
- Vertical
- County
- REFUGIO
- District
- 2
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 1985-05-10
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
- 3,435