42-391-00271
Final CompletionWILLIAMS, MAUDE ETAL -A-
REFUGIO County · District 2 · HILCORP ENERGY COMPANY
Permits
7
Max Depth
5,766 ft
First Permit
1989-01-04
Latest Activity
2024-01-31
Lifespan
35 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 (23) Elevation 55 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LARGARTO (Lagarto) | 1,500 ft | -1,445 ft |
| SURFACE SAND CLAY | 1,500 ft | -1,445 ft |
| LAGARTO | 2,750 ft | -2,695 ft |
| LARGARTO (Lagarto) | 2,750 ft | -2,695 ft |
| OAKVILLE | 2,750 ft | -2,695 ft |
| CATAHOULA | 3,300 ft | -3,245 ft |
| CATAHOULA (MIOCENE) (Catahoula) | 3,300 ft | -3,245 ft |
| OAKVILLE | 3,300 ft | -3,245 ft |
| CATAHOULA | 3,540 ft | -3,485 ft |
| CATAHOULA | 3,673 ft | -3,618 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,100 ft | -4,045 ft |
| CATAHOULA | 4,100 ft | -4,045 ft |
| ANAHUAC | 4,150 ft | -4,095 ft |
| FRIO | 4,348 ft | -4,293 ft |
| FRIO | 4,362 ft | -4,307 ft |
| ANAHUAC | 4,365 ft | -4,310 ft |
| FRIO-GRETA (OLIGOCENE) (Frio) | 4,365 ft | -4,310 ft |
| FRIO-GRETA (Frio) | 4,785 ft | -4,730 ft |
| MIDDLE FRIO (SINTON) (Frio) | 5,000 ft | -4,945 ft |
| MIDDLE FRIO (Frio) | 5,400 ft | -5,345 ft |
| LOWER FRIO (Frio) | 5,766 ft | -5,711 ft |
| LOWER FRIO (OLIGOCENE) (Frio) | 5,766 ft | -5,711 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 (15)
| Interval | Type |
|---|---|
| 4,362–4,376 ft | Perforated |
| 4,400–4,414 ft | Perforated |
| 4,420–4,432 ft | Perforated |
| 4,438–4,448 ft | Perforated |
| 4,476–4,486 ft | Perforated |
| 4,486–4,492 ft | Perforated |
| 4,516–4,524 ft | Perforated |
| 4,931–4,933 ft | Perforated |
| 4,980–4,990 ft | Perforated |
| 5,040–5,044 ft | Perforated |
| 5,252–5,259 ft | Perforated |
| 5,261–5,268 ft | Perforated |
| 5,550–? ft | Perforated |
| 5,556–5,560 ft | Perforated |
| ?–5,702 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,551 ft | 625 sx |
| 1.5" | 5,528 ft | — |
| 5.5" | 5,764 ft | 850 sx |
Permit History (7)
WILLIAMS, MAUDE ETAL -A- · 5,766 ft
2024-01-31
Spud 2023-12-21
WILLIAMS, MAUDE, ETAL -A- · 5,766 ft
2019-02-20
Spud 2019-01-03
MAUDE WILLIAMS ET AL 'A' · 5,766 ft
2012-10-24
Spud 2012-10-18
MAUDE WILLIAMS ET AL "A" · 5,766 ft
2008-04-29
Spud 2008-04-08
WILLIAMS, MAUDE ET AL "A" · 5,766 ft
2005-03-09
WILLIAMS, MAUDE ET AL 'A' · 5,766 ft
1998-05-13
WILLIAMS, MAUDE ET AL "A" · 5,766 ft
1989-01-04
Applications (7)
Records & Logs
18 completion filings on record · 3 with log images at RRC.
+12 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
- D 4
- Max Depth
- 5,766 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