42-013-33486
Final CompletionDAVIS MILTON -B-
ATASCOSA County · District 1 · MAZCO ENERGY LLC · CROWN E. (NAVARRO)
Permits
1
Max Depth
5,000 ft
First Permit
1985-08-08
Latest Activity
1985-08-08
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1985-08-21
Shut-In
—
Plugged
2012-06-27
EWA / Permit operator mismatch
Scheduling: MAZCO ENERGY LLC ≠ Permit: LABELLE CORPORATION
Resolved via: production → MAZCO 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
1993-01
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)
CSV| Formation | Top Depth (MD) |
|---|---|
| WILCOX | 3,150 ft |
| ESCONDIDO | 4,340 ft |
| OLMOS | 4,517 ft |
As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. View filings & logs at RRC ↗
Perforations (1)
| Interval | Type |
|---|---|
| 4,517–4,535 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 327 ft | 210 sx |
| 4.5" | 4,580 ft | 785 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
- 1B
- Max Depth
- 5,000 ft
- Drill Type
- Vertical
- County
- ATASCOSA
- District
- 1
- Operator
- MAZCO ENERGY LLC
- Completed
- 1985-08-21
Operator
- Name
- MAZCO ENGY LLC
- Location
- SAN ANTONIO
- P-5 Status
- X (filed 2026-01-21)
- Cum Oil (all leases)
- 144,335 bbl
- Cum Gas (all leases)
- — mcf
- Activities
- OPRS/O
- Total Permits
- 1