42-479-38359
PRODUCINGRANCHO BLANCO
WEBB County · District 4 · COLUMBUS ENERGY LLC · RANCHO BLANCO (LOBO)
Permits
1
Max Depth
8,500 ft
First Permit
2003-03-10
Latest Activity
2003-03-10
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2003-04-28
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: COLUMBUS ENERGY LLC ≠ Permit: ZACHRY EXPLORATION, LTD.
Resolved via: production → COLUMBUS ENERGY, LLC
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
2003-04
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 474 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LOBO 1 | 7,518 ft | -7,044 ft |
| LOBO 3 | 7,780 ft | -7,306 ft |
| LOBO 6 | 7,996 ft | -7,522 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 (2)
| Interval | Type |
|---|---|
| 7,782–7,844 ft | Perforated |
| 7,998–8,129 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 922 ft | 360 sx |
| 7" | 6,113 ft | 392 sx |
| 4.5" | 8,332 ft | 400 sx |
Permit History (1)
Applications (1)
Records & Logs
2 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
- 15
- Max Depth
- 8,500 ft
- Drill Type
- Vertical
- County
- WEBB
- District
- 4
- Operator
- COLUMBUS ENERGY LLC
- Completed
- 2003-04-28
Operator
- Name
- COLUMBUS ENGY, LLC
- Location
- HOUSTON
- P-5 Status
- X (filed 2026-06-02)
- Cum Oil (all leases)
- 47,050 bbl
- Cum Gas (all leases)
- 153,585,182 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 51