42-055-34115
PRODUCINGMONARCH
CALDWELL County · District 1 · CASTILLO OIL COMPANY LLC · TENNEY CREEK
Permits
1
Max Depth
3,000 ft
First Permit
1986-06-12
Latest Activity
1986-06-12
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1986-07-21
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 (2) Elevation 375 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| PECAN GAP | 2,016 ft | -1,641 ft |
| AUSTIN CHALK | 2,420 ft | -2,045 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 |
|---|---|
| 2,450–2,485 ft | Perforated |
| 2,568–2,624 ft | Perforated |
Casing (1)
| Size | Set Depth | Cement |
|---|---|---|
| 4.5" | 2,683 ft | 350 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
- 3,000 ft
- Drill Type
- Vertical
- County
- CALDWELL
- District
- 1
- Operator
- CASTILLO OIL COMPANY LLC
- Completed
- 1986-07-21
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