Permits
1
Max Depth
2,800 ft
First Permit
1986-04-28
Latest Activity
1986-04-28
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1986-09-28
Shut-In
—
Plugged
—
P-5 Org Status: Delinquent
EWA / Permit operator mismatch
Scheduling: CASTILLO OIL COMPANY LLC ≠ Permit: DUKE OIL CO.
Resolved via: production → CASTILLO OIL COMPANY 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) |
|---|---|
| PECAN GAP | 2,210 ft |
| AUSTIN CHALK | 2,458 ft |
| EAGLEFORD (Eagle Ford) | 2,748 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 |
|---|---|
| 2,454–2,557 ft | Perforated |
Casing (1)
| Size | Set Depth | Cement |
|---|---|---|
| 4.5" | 2,712 ft | 490 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
- 4
- Max Depth
- 2,800 ft
- Drill Type
- Vertical
- County
- CALDWELL
- District
- 1
- Operator
- CASTILLO OIL COMPANY LLC
- Completed
- 1986-09-28
Operator
- Location
- LULING
- P-5 Status
- Delinquent (filed 2025-03-24)
- Cum Oil (all leases)
- 168,368 bbl
- Cum Gas (all leases)
- — mcf
- Activities
- OPRS/O