42-391-00428
Final CompletionWILLIAMS MAUDE ET AL -A-
REFUGIO County · District 2 · HILCORP ENERGY COMPANY · TOM OCONNOR (5900 SAND)
Permits
5
Max Depth
5,925 ft
First Permit
1995-09-12
Latest Activity
2015-11-12
Lifespan
20 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 (16) Elevation 57 ft (GL)
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 |
| CATAHOULA | 3,598 ft | -3,541 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,100 ft | -4,043 ft |
| ANAHUAC MIOCENE (Anahuac) | 4,100 ft | -4,043 ft |
| FRIO | 4,356 ft | -4,299 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 |
| LOWER FRIO OLIGOCENE (Frio) | 5,880 ft | -5,823 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 (6)
| Interval | Type |
|---|---|
| 5,138–5,143 ft | Perforated |
| 5,203–5,211 ft | Perforated |
| 5,444–5,452 ft | Perforated |
| 5,531–5,537 ft | Perforated |
| 5,734–5,742 ft | Perforated |
| 5,753–5,758 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,009 ft | 350 sx |
| 5" | 5,923 ft | 500 sx |
Permit History (5)
MAUDE WILLIAMS ET AL 'A' · 5,925 ft
2015-11-12
Spud 2015-10-01
TOM O'CONNOR (5800 SD) FLD. UNIT · 5,925 ft
2010-01-28
Spud 2010-03-26
WILLIAMS, MAUDE ET AL "A" · 5,925 ft
2007-05-15
WILLIAMS, MAUDE ET AL "A" · 5,925 ft
2007-05-15
Spud 2007-12-17
TOM O'CONNOR (58OO SAND)FLD.UNIT · 5,925 ft
1995-09-12
Spud 1995-10-09
Applications (5)
Records & Logs
10 completion filings on record · 3 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
- 20
- Max Depth
- 5,925 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
- 3,436