Permits
6
Max Depth
6,064 ft
First Permit
1985-06-12
Latest Activity
2011-11-09
Lifespan
26 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 (11) Elevation 57 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LARGARTO (Lagarto) | 1,500 ft | -1,443 ft |
| OAKVILLE | 2,750 ft | -2,693 ft |
| CATAHOULA (MIOCENE) (Catahoula) | 3,300 ft | -3,243 ft |
| CATAHOULA(MIOCENE) (Catahoula) | 3,300 ft | -3,243 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,100 ft | -4,043 ft |
| ANAHUAC(MIOCENE) (Anahuac) | 4,100 ft | -4,043 ft |
| FRIO-GRETA (OLIGOCENE) (Frio) | 4,365 ft | -4,308 ft |
| FRIO-GRETA(OLIGOCENE) (Frio) | 4,365 ft | -4,308 ft |
| MIDDLE FRIO (SINTON) (Frio) | 5,000 ft | -4,943 ft |
| MIDDLE FRIO(SINTON) (Frio) | 5,000 ft | -4,943 ft |
| LOWER FRIO (OLIGOCENE) (Frio) | 5,880 ft | -5,823 ft |
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 (7)
| Interval | Type |
|---|---|
| 5,374–5,389 ft | Perforated |
| 5,470–5,475 ft | Perforated |
| 5,535–5,540 ft | Perforated |
| 5,640–5,652 ft | Perforated |
| 5,714–5,719 ft | Perforated |
| ?–5,719 ft | Perforated |
| ?–5,800 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,025 ft | 375 sx |
| 2.875" | 6,021 ft | 925 sx |
Permit History (6)
MAUDE WILLIAMS ET AL "B" · 6,064 ft
2011-11-09
WILLIAMS, MAUDE ET AL "B" · 6,064 ft
1996-06-21
Spud 1996-05-23
WILLIAMS, MAUDE ET AL "B" · 6,064 ft
1994-02-28
WILLIAMS, MAUDE ET AL "B" · 6,064 ft
1991-01-22
Spud 1991-03-06
WILLIAMS, MAUDE ET AL "B" · 6,064 ft
1991-01-22
WILLIAMS, MAUDE ET AL "B" · 6,064 ft
1985-06-12
Applications (6)
Records & Logs
10 completion filings on record · 4 with log images at RRC.
+4 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
- 28F
- Max Depth
- 6,064 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