42-391-31335
Final CompletionLAMBERT M. F.
REFUGIO County · District 2 · PENNZOIL EXPLORATION & PROD. CO. · REFUGIO-FOX (5000)
Permits
7
Max Depth
6,070 ft
First Permit
1979-07-10
Latest Activity
2000-12-19
Lifespan
21 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1979-07-26
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: PENNZOIL EXPLORATION & PROD. CO. ≠ Production: HILCORP ENERGY COMPANY (reported 2007-04)
EWA / Permit operator mismatch
Scheduling: PENNZOIL EXPLORATION & PROD. CO. ≠ Permit: DEVON ENERGY PRODUCTION CO, L.P.
Resolved via: scheduling → PENNZOIL EXPLORATION & PROD. CO.
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 (11) Elevation 66 ft (DF)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| REFUGIO-FOX (1675) | 1,720 ft | -1,654 ft |
| REFUGIO-FOX 1,675 | 1,720 ft | -1,654 ft |
| REFUGIO-FOX (2550) | 2,534 ft | -2,468 ft |
| REFUGIO-FOX 2,550 | 2,534 ft | -2,468 ft |
| REFUGIO-FOX 2550 | 2,534 ft | -2,468 ft |
| REFUGIO-FOX (3100) | 3,150 ft | -3,084 ft |
| REFUGIO-FOX 3,100 | 3,150 ft | -3,084 ft |
| REFUGIO-FOX 3100 | 3,150 ft | -3,084 ft |
| REFUGIO-FOX (3300) | 3,286 ft | -3,220 ft |
| REFUGIO-BOX 5000 | 4,990 ft | -4,924 ft |
| REFUGIO-FOX 5,000 | 4,990 ft | -4,924 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 (4)
| Interval | Type |
|---|---|
| 2,992–3,000 ft | Perforated |
| 3,048–3,056 ft | Perforated |
| 3,292–3,297 ft | Perforated |
| 4,989–4,995 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 1,307 ft | 715 sx |
| 2.875" | 5,570 ft | 1,110 sx |
Permit History (7)
LAMBERT, M. F. · 3,050 ft
2000-12-19
Spud 2001-02-19
LAMBERT, M. F. · 3,050 ft
2000-12-19
LAMBERT M. F. · 3,500 ft
1995-10-09
Spud 1996-07-03
LAMBERT, M. F. · 4,900 ft
1995-10-09
LAMBERT, M. F. · 5,500 ft
1994-12-14
Spud 1995-01-16
LAMBERT, M. F. · 5,500 ft
1994-12-14
LAMBERT, M. F. · 6,070 ft
1979-07-10
Applications (7)
Records & Logs
8 completion filings on record · 3 with log images at RRC.
+2 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
- B 1
- Max Depth
- 6,070 ft
- Drill Type
- Vertical
- County
- REFUGIO
- District
- 2
- Operator
- PENNZOIL EXPLORATION & PROD. CO.
- Completed
- 1979-07-26
Operator
- Location
- CARTHAGE
- P-5 Status
- Inactive (filed 1998-04-23)
- Cum Oil (all leases)
- 28,665,122 bbl
- Cum Gas (all leases)
- 504,481,960 mcf
- Total Permits
- 1,023