42-451-31734
Final CompletionLOS NINOS
TOM GREEN County · District 7 · ELCO OIL & GAS INC. · HALL (SAN ANDRES)
Permits
1
Max Depth
2,000 ft
First Permit
1986-07-18
Latest Activity
1986-07-18
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1986-08-30
Shut-In
—
Plugged
1990-08-24
EWA / Permit operator mismatch
Scheduling: ELCO OIL & GAS INC. ≠ Permit: DEMCO EXPLORATION, INC.
Resolved via: production → ELCO OIL & GAS, 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
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 (2) Elevation 2,178 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN ANDRES | 808 ft | +1,370 ft |
| CLEARFORK (Clear Fork) | 1,120 ft | +1,058 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 (1)
| Interval | Type |
|---|---|
| 808–818 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 464 ft | 313 sx |
| 4.5" | 1,308 ft | 300 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
- 1
- Max Depth
- 2,000 ft
- Drill Type
- Vertical
- County
- TOM GREEN
- District
- 7
- Operator
- ELCO OIL & GAS INC.
- Completed
- 1986-08-30
Operator
- Name
- ELCO OIL & GAS, INC
- Location
- SAN ANGELO
- P-5 Status
- Active (filed 2026-02-19)
- Cum Oil (all leases)
- 30,854 bbl
- Cum Gas (all leases)
- 4,187 mcf
- Activities
- OPRS/O
- Total Permits
- 5