42-391-32555
Final CompletionWILLIAMS MAUDE ETAL -A-
REFUGIO County · District 2 · HILCORP ENERGY COMPANY · LAKE PASTURE (H-440 SAND)
Permits
3
Max Depth
6,200 ft
First Permit
2004-01-02
Latest Activity
2022-09-16
Lifespan
19 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2004-04-27
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 (8) Elevation 50 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LARGARTO (Lagarto) | 1,500 ft | -1,450 ft |
| OAKVILLE | 2,750 ft | -2,700 ft |
| CATAHOULA | 3,110 ft | -3,060 ft |
| CATAHOULA | 3,300 ft | -3,250 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,050 ft | -4,000 ft |
| FRIO-GRETA (OLIGOCENE) (Frio) | 4,100 ft | -4,050 ft |
| FRIO - GRETA (Frio) | 5,000 ft | -4,950 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 (4)
| Interval | Type |
|---|---|
| 4,400–4,412 ft | Perforated |
| 4,414–4,426 ft | Perforated |
| 4,454–4,488 ft | Perforated |
| 4,478–4,486 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,515 ft | 730 sx |
| 5.5" | 4,650 ft | 805 sx |
Permit History (3)
Applications (3)
Records & Logs
5 completion filings on record · 2 with log images at RRC.
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
- D181
- Max Depth
- 6,200 ft
- Drill Type
- Vertical
- County
- REFUGIO
- District
- 2
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 2004-04-27
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