42-479-32277
Final CompletionBLOCKER JOHN R.-1837-
WEBB County · District 4 · CALIBOGUE CORPORATION · BLOCKER RANCH (OLMOS N-4)
Permits
2
Max Depth
6,000 ft
First Permit
1979-02-23
Latest Activity
1984-06-19
Lifespan
5 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1979-05-08
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: CALIBOGUE CORPORATION ≠ Production: BRASK-DUMONT RANCH, INC. (reported 2026-03)
Resolved via: production → BRASK-DUMONT RANCH, INC.
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
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (1) Elevation 523 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| OLMOS N-2 (Olmos) | 4,835 ft | -4,312 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 |
|---|---|
| 4,835–4,952 ft | Perforated |
| 5,102–5,147 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 377 ft | 350 sx |
| 4.5" | 5,300 ft | 1,275 sx |
| 2.375" | — | — |
Permit History (2)
Applications (2)
Records & Logs
3 completion filings on record.
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
- 6,000 ft
- Drill Type
- Vertical
- County
- WEBB
- District
- 4
- Operator
- CALIBOGUE CORPORATION
- Completed
- 1979-05-08
Operator
- Name
- CALIBOGUE CORP
- Location
- SAN ANTONIO
- P-5 Status
- Inactive (filed 1989-03-02)
- Cum Oil (all leases)
- — bbl
- Cum Gas (all leases)
- — mcf
- Total Permits
- 10