42-479-34452
Final CompletionWEBB COUNTY SCHOOL BOARD
WEBB County · District 4 · NORTH CENTRAL OIL CORP. · BIG COWBOY (LOBO)
Permits
1
Max Depth
8,950 ft
First Permit
1986-11-25
Latest Activity
1986-11-25
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1990-04-09
Shut-In
—
Plugged
1999-06-30
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
1999-06
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (6) Elevation 564 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LOBO 1 | 7,865 ft | -7,301 ft |
| WILCOX (LOBO 1) (Wilcox) | 7,865 ft | -7,301 ft |
| LOBO 3 | 8,080 ft | -7,516 ft |
| WILCOX (LOBO 3) (Wilcox) | 8,080 ft | -7,516 ft |
| LOBO 6 | 8,318 ft | -7,754 ft |
| WILCOX (LOBO 6) (Wilcox) | 8,318 ft | -7,754 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 (6)
| Interval | Type |
|---|---|
| 7,884–7,900 ft | Perforated |
| 8,364–8,371 ft | Perforated |
| 8,375–8,384 ft | Perforated |
| 8,428–8,444 ft | Perforated |
| 8,484–8,509 ft | Perforated |
| 8,530–8,550 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 798 ft | 420 sx |
| 7.625" | 7,080 ft | 580 sx |
| 5.5" | 8,658 ft | 191 sx |
| 5" | 8,658 ft | 191 sx |
Permit History (1)
Applications (1)
Records & Logs
3 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
- 6
- Max Depth
- 8,950 ft
- Drill Type
- Vertical
- County
- WEBB
- District
- 4
- Operator
- NORTH CENTRAL OIL CORP.
- Completed
- 1990-04-09
Operator
- Location
- HOUSTON
- P-5 Status
- Inactive (filed 2005-07-13)
- Cum Oil (all leases)
- 4,243,221 bbl
- Cum Gas (all leases)
- 308,747,090 mcf
- Total Permits
- 558