Permits
2
Max Depth
9,000 ft
First Permit
2011-02-25
Latest Activity
2011-02-25
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
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
2011-07
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 (3) Elevation 449 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| OLMOS | 5,680 ft | -5,231 ft |
| AUSTIN CHALK | 6,997 ft | -6,548 ft |
| EAGLE FORD | 8,040 ft | -7,591 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 (1)
| Interval | Type |
|---|---|
| 8,354–13,243 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 4,116 ft | 1,030 sx |
| 5.5" | 13,445 ft | 1,425 sx |
| 10.75" | — | 790 sx |
Permit History (2)
Applications (2)
Records & Logs
1 completion filing 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
- 4
- Max Depth
- 9,000 ft
- Drill Type
- Horizontal
- County
- FRIO
- District
- 1
- Operator
- EF ENERGY, L.L.C.
Operator
- Name
- EF ENGY, L.L.C
- Location
- HOUSTON
- P-5 Status
- Inactive (filed 2014-06-04)
- Cum Oil (all leases)
- 1,353,244 bbl
- Cum Gas (all leases)
- — mcf
- Total Permits
- 64