Permits
3
Max Depth
6,008 ft
First Permit
1979-05-25
Latest Activity
2019-03-19
Lifespan
40 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
6,000 bbl/d
Max Pressure
1,500 psi
Injection Interval
5,851–5,859 ft
Injected (12mo)
—
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 (8) Elevation 58 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LARGARTO (Lagarto) | 1,500 ft | -1,442 ft |
| OAKVILLE | 2,750 ft | -2,692 ft |
| CATAHOULA (MIOCENE) (Catahoula) | 3,300 ft | -3,242 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,100 ft | -4,042 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 |
| 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 |
|---|---|
| 5,676–5,682 ft | Perforated |
| 5,685–5,690 ft | Perforated |
| 5,851–5,859 ft | Perforated |
| 5,852–5,858 ft | Perforated |
| ?–5,660 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,014 ft | 375 sx |
| 1.5" | 5,801 ft | — |
| 2.875" | 5,999 ft | 900 sx |
Permit History (3)
Applications (3)
Records & Logs
7 completion filings on record.
+1 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
- W931B
- Max Depth
- 6,008 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