42-391-01441
Final CompletionLAMBERT M. F.
REFUGIO County · District 2 · HILCORP ENERGY COMPANY · TOM OCONNOR (5900 SAND)
Permits
4
Max Depth
6,000 ft
First Permit
1980-02-19
Latest Activity
2010-10-14
Lifespan
31 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1980-06-01
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 (7) Elevation 64 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CATAHOULA | 3,626 ft | -3,562 ft |
| 4150 | 4,124 ft | -4,060 ft |
| 4400 | 4,350 ft | -4,286 ft |
| FRIO | 4,350 ft | -4,286 ft |
| 5500 | 5,512 ft | -5,448 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 (4)
| Interval | Type |
|---|---|
| 4,640–4,646 ft | Perforated |
| 5,141–5,158 ft | Perforated |
| 5,659–5,666 ft | Perforated |
| 5,853–5,858 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 1,032 ft | 460 sx |
| 2.375" | 5,800 ft | — |
| 7" | 5,810 ft | 500 sx |
Permit History (4)
M. F. LAMBERT · 6,000 ft
2010-10-14
Spud 2010-10-14
LAMBERT, M.F. · 5,810 ft
2004-09-22
LAMBERT, M. F. · 5,700 ft
2000-12-01
Spud 2000-12-06
LAMBERT, M. F. · 5,810 ft
1980-02-19
Applications (4)
Records & Logs
9 completion filings on record · 3 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
- 100
- Max Depth
- 6,000 ft
- Drill Type
- Vertical
- County
- REFUGIO
- District
- 2
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 1980-06-01
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