42-479-36305
PRODUCINGRANCHO BLANCO
WEBB County · District 4 · COLUMBUS ENERGY LLC · BASHARA-HEREFORD (7300)
Permits
2
Max Depth
7,700 ft
First Permit
1995-06-06
Latest Activity
1995-06-06
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1995-07-18
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: COLUMBUS ENERGY LLC ≠ Permit: SANCHEZ-O'BRIEN OIL & GAS CORP.
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
1995-07
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 471 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CARRIZO | 3,175 ft | -2,704 ft |
| LOWER WILCOX (Wilcox) | 5,400 ft | -4,929 ft |
| LOBO | 6,650 ft | -6,179 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 (3)
| Interval | Type |
|---|---|
| 6,714–6,728 ft | Perforated |
| 7,064–7,082 ft | Perforated |
| 7,094–7,102 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 980 ft | 575 sx |
| 7.625" | 5,930 ft | 420 sx |
| 4.5" | 7,554 ft | 283 sx |
Permit History (2)
Applications (2)
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
- 1
- Max Depth
- 7,700 ft
- Drill Type
- Vertical
- County
- WEBB
- District
- 4
- Operator
- COLUMBUS ENERGY LLC
- Completed
- 1995-07-18
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