42-391-31849
Final CompletionTOM O'CONNOR(5600 FOOT SAND)UNIT
REFUGIO County · District 2 · HILCORP ENERGY COMPANY
Permits
4
Max Depth
6,100 ft
First Permit
1985-04-30
Latest Activity
2017-06-16
Lifespan
32 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
10,000 bbl/d
Max Pressure
2,750 psi
Injection Interval
5,500–5,570 ft
Injected (12mo)
417,743 bbl
Monthly injected volume (bbl, from H-10 filings through 2025-11-01)
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 (19) Elevation 54 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LARGARTO (Lagarto) | 1,500 ft | -1,446 ft |
| SURFACE SAND CLAY | 1,500 ft | -1,446 ft |
| LARGARTO (Lagarto) | 2,750 ft | -2,696 ft |
| OAKVILLE | 2,750 ft | -2,696 ft |
| CATAHOULA (MIOCENE) (Catahoula) | 3,300 ft | -3,246 ft |
| OAKVILLE | 3,300 ft | -3,246 ft |
| CATAHOULA | 3,552 ft | -3,498 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,100 ft | -4,046 ft |
| CATAHOULA | 4,100 ft | -4,046 ft |
| FRIO | 4,324 ft | -4,270 ft |
| FRIO-GRETA (OLIGOCENE) (Frio) | 4,365 ft | -4,311 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,366 ft | -4,312 ft |
| FRIO-GRETA (OLIG) (Frio) | 4,785 ft | -4,731 ft |
| MIDDLE FRIO (SINTON) (Frio) | 5,000 ft | -4,946 ft |
| MIDDLE FRIO(SINTON) (Frio) | 5,000 ft | -4,946 ft |
| MIDDLE FRIO (SINTON) (Frio) | 5,400 ft | -5,346 ft |
| LOWER FRIO (OLIGOCENE) (Frio) | 5,880 ft | -5,826 ft |
| LOWER FRIO (OLIG) (Frio) | 6,094 ft | -6,040 ft |
| JACKSON/YEGUA (Jackson) | — | — |
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 (3)
| Interval | Type |
|---|---|
| 5,507–5,514 ft | Perforated |
| 5,536–5,546 ft | Perforated |
| 5,833–5,839 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 1,484 ft | 809 sx |
| 7" | 6,089 ft | 1,310 sx |
Permit History (4)
TOM O'CONNOR(5600 FOOT SAND)UNIT · 6,094 ft
2017-06-16
Spud 2017-05-31
HEARD, FANNIE V. W. MRS. · 6,094 ft
1990-05-30
TOM O'CONNOR (5800'SD)FIELD UNIT · 6,094 ft
1988-07-15
HEARD, FANNIE V. W. MRS. · 6,100 ft
1985-04-30
Applications (4)
Records & Logs
9 completion filings on record · 3 with log images at RRC.
+3 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
- 3107WB
- Max Depth
- 6,100 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