42-391-01413
ULAMBERT M. F.
REFUGIO County · District 2 · H & D OPERATING COMPANY · TOM OCONNOR (5900 SAND)
Permits
2
Max Depth
5,907 ft
First Permit
1987-06-17
Latest Activity
1989-03-10
Lifespan
2 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: H & D OPERATING COMPANY ≠ Production: HILCORP ENERGY COMPANY (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: H & D OPERATING COMPANY ≠ Permit: QUINTANA PET. CORP.
Resolved via: production → HILCORP ENERGY COMPANY
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 (10) Elevation 65 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LARGARTO (Lagarto) | 1,500 ft | -1,435 ft |
| OAKVILLE | 2,750 ft | -2,685 ft |
| CATAHOULA (MIOCENE) (Catahoula) | 3,300 ft | -3,235 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,100 ft | -4,035 ft |
| FRIO-GRETA (OLIGOCENE) (Frio) | 4,365 ft | -4,300 ft |
| FRIO-GRETA(OLIGOCENE) (Frio) | 4,365 ft | -4,300 ft |
| MIDDLE FRIO (SINTON) (Frio) | 5,000 ft | -4,935 ft |
| TOC | 5,672 ft | -5,607 ft |
| 5900 | 5,865 ft | -5,800 ft |
| LOWER FRIO (OLIGOCENE) (Frio) | 5,880 ft | -5,815 ft |
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 (3)
| Interval | Type |
|---|---|
| 5,672–5,680 ft | Perforated |
| 5,749–5,754 ft | Perforated |
| 5,756–5,760 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 530 ft | 350 sx |
| 10.75" | 530 ft | 350 sx |
| 5" | 5,892 ft | 400 sx |
| 5" | 5,892 ft | 400 sx |
Permit History (2)
Applications (2)
Records & Logs
6 completion filings on record · 1 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.
No GPS coordinates yet
Well Details
- Well Number
- H050
- Max Depth
- 5,907 ft
- Drill Type
- Vertical
- County
- REFUGIO
- District
- 2
- Operator
- H & D OPERATING COMPANY
Operator
- Name
- H & D OPER CO
- Location
- REFUGIO
- P-5 Status
- Inactive (filed 2014-05-21)
- Cum Oil (all leases)
- 3,092,123 bbl
- Cum Gas (all leases)
- 13,380,960 mcf
- Total Permits
- 46