42-391-00427
Final CompletionWILLIAMS MAUDE ET AL -A-
REFUGIO County · District 2 · HILCORP ENERGY COMPANY · TOM OCONNOR (5900 SAND)
Permits
3
Max Depth
5,923 ft
First Permit
1979-06-29
Latest Activity
2015-09-17
Lifespan
36 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1972-10-04
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
Injection / Disposal
Permitted Volume
6,000 bbl/d
Max Pressure
2,600 psi
Injection Interval
5,659–5,676 ft
Injected (12mo)
247,154 bbl
Monthly injected volume (bbl, from H-10 filings through 2025-11-01)
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (10) 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 | 3,607 ft | -3,550 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,100 ft | -4,043 ft |
| FRIO | 4,361 ft | -4,304 ft |
| FRIO-GRETA (OLIGOCENE) (Frio) | 4,365 ft | -4,308 ft |
| MIDDLE FRIO (SINTON) (Frio) | 5,000 ft | -4,943 ft |
| LOWER FRIO (OLIGOCENE) (Frio) | 5,880 ft | -5,823 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 ↗
Perforations (6)
| Interval | Type |
|---|---|
| 5,584–5,593 ft | Perforated |
| 5,657–5,663 ft | Perforated |
| 5,660–5,666 ft | Perforated |
| 5,767–5,782 ft | Perforated |
| 5,851–5,860 ft | Perforated |
| 5,868–5,874 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,071 ft | 350 sx |
| 1.5" | 5,554 ft | — |
| 5" | 5,923 ft | 500 sx |
Permit History (3)
Applications (3)
Records & Logs
9 completion filings on record · 1 with log images at RRC.
+3 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
- A 19
- Max Depth
- 5,923 ft
- Drill Type
- Vertical
- County
- REFUGIO
- District
- 2
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 1972-10-04
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