42-391-30255
Final CompletionMAUDE WILLIAMS ET AL 'A'
REFUGIO County · District 2 · HILCORP ENERGY COMPANY
Permits
14
Max Depth
7,801 ft
First Permit
1978-02-24
Latest Activity
2017-03-14
Lifespan
39 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 (30) 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 |
| SURFACE SD & CLAY | 1,500 ft | -1,443 ft |
| CATAHOULA | 2,626 ft | -2,569 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 |
| CATAHOULA(MIOCENE) (Catahoula) | 3,300 ft | -3,243 ft |
| OAKVILLE | 3,300 ft | -3,243 ft |
| FRIO | 3,686 ft | -3,629 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,100 ft | -4,043 ft |
| ANAHUAC(MIOCENE) (Anahuac) | 4,100 ft | -4,043 ft |
| CATAHOULA | 4,100 ft | -4,043 ft |
| CATAHOULA (MIOCENE) (Catahoula) | 4,100 ft | -4,043 ft |
| ANAHUAC | 4,365 ft | -4,308 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,365 ft | -4,308 ft |
| FRIO-GRETA (OLIGOCENE) (Frio) | 4,365 ft | -4,308 ft |
| FRIO-GRETA(OLIGOCENE) (Frio) | 4,365 ft | -4,308 ft |
| FRIO-GRETA (OLIG) (Frio) | 4,701 ft | -4,644 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(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(OLIGOCENE) (Frio) | 5,880 ft | -5,823 ft |
| LWR FRIO(OLIGOCENE) | 5,880 ft | -5,823 ft |
| LOWER FRIO (Frio) | 7,801 ft | -7,744 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 ↗
Perforations (10)
| Interval | Type |
|---|---|
| 2,662–2,670 ft | Perforated |
| 2,692–2,700 ft | Perforated |
| 4,352–4,363 ft | Perforated |
| 4,366–4,379 ft | Perforated |
| 5,275–5,282 ft | Perforated |
| 5,608–5,614 ft | Perforated |
| 5,691–5,695 ft | Perforated |
| 5,880–5,884 ft | Perforated |
| 5,922–5,926 ft | Perforated |
| 6,936–? ft | Perforated |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,533 ft | 785 sx |
| 1.5" | 5,852 ft | — |
| 1.5" | 5,903 ft | — |
| 5.5" | 7,797 ft | 1,690 sx |
| 5.5" | 7,797 ft | — |
Permit History (14)
MAUDE WILLIAMS ET AL 'A' · 7,801 ft
2017-03-14
Spud 2017-03-23
MAUDE WILLIAMS ET AL "A" · 7,801 ft
2010-12-01
WILLIAMS, MAUDE ET AL "A" · 7,801 ft
2004-09-22
Spud 2004-09-22
WILLIAMS, MAUDE ET AL "A" · 7,801 ft
2001-03-07
WILLIAMS, MAUDE ET AL 'A' · 7,801 ft
1998-08-31
Spud 2000-04-12
WILLIAMS, MAUDE ET AL 'A' · 7,801 ft
1998-08-31
WILLIAMS, MAUDE ET AL "A" · 7,801 ft
1997-01-09
WILLIAMS, MAUDE ET AL "A" · 7,801 ft
1997-01-09
Spud 1997-02-26
WILLIAMS, MAUDE ET AL "A" · 7,797 ft
1990-03-07
WILLIAMS, MAUDE ET AL "A" · 7,797 ft
1990-03-07
Spud 1990-10-22
WILLIAMS, MAUDE ET AL "A" · 7,797 ft
1988-04-29
WILLIAMS, MAUDE ET AL "A" · 7,797 ft
1980-05-22
WILLIAMS, MAUDE, ET AL "A" · 7,801 ft
1978-04-11
WILLIAMS, MAUDE, ET AL "A" · 7,801 ft
1978-02-24
Applications (14)
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.
No GPS coordinates yet
Well Details
- Well Number
- D 64
- Max Depth
- 7,801 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