42-391-32683
Final CompletionLAMBERT M. F.
REFUGIO County · District 2 · HILCORP ENERGY COMPANY · TOM OCONNOR (5900 SAND)
Permits
4
Max Depth
6,500 ft
First Permit
2005-07-07
Latest Activity
2012-12-11
Lifespan
7 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2005-08-15
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
Operator History
Chain of Custody
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (14) Elevation 54 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LARGARTO (Lagarto) | 2,750 ft | -2,696 ft |
| OAKVILLE | 2,900 ft | -2,846 ft |
| OAKVILLE | 3,300 ft | -3,246 ft |
| CATAHOULA | 3,600 ft | -3,546 ft |
| ANAHUAC | 4,100 ft | -4,046 ft |
| CATAHOULA (MIOCENE) | 4,100 ft | -4,046 ft |
| GRETA | 4,300 ft | -4,246 ft |
| ANAHUAC (MIOCENE) | 4,365 ft | -4,311 ft |
| FRIO-GRETA (OLIGOCENE) (Frio) | 4,785 ft | -4,731 ft |
| UPPER FRIO (Frio) | 5,000 ft | -4,946 ft |
| MIDDLE FRIO (SINTON) | 5,400 ft | -5,346 ft |
| LOWER FRIO | 5,800 ft | -5,746 ft |
| LOWER FRIO (OLIGOCENE) | 6,500 ft | -6,446 ft |
| LOWER FRIO (OLIGOCENE) | — | — |
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 |
|---|---|
| 5,543–5,548 ft | Perforated |
| 5,778–5,785 ft | Perforated |
| 5,896–5,904 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,390 ft | 664 sx |
| 5.5" | 6,227 ft | 1,120 sx |
Permit History (4)
M. F. LAMBERT · 6,500 ft
2012-12-11
Spud 2012-11-29
M. F. LAMBERT · 6,500 ft
2012-12-11
TOM O'CONNOR (5800 SD) FLD. UNIT · 6,500 ft
2009-06-25
Spud 2009-06-09
LAMBERT, M. F. · 6,500 ft
2005-07-07
Spud 2005-07-30
Applications (4)
Records & Logs
6 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.
No GPS coordinates yet
Well Details
- Well Number
- 158
- Max Depth
- 6,500 ft
- Drill Type
- Vertical
- County
- REFUGIO
- District
- 2
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 2005-08-15
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