42-033-31786
Final CompletionSILVER BULLET
BORDEN County · District 8 · ESTANCIA OIL & GAS LLC · THIRTY-THIRTY (ELLENBURGER)
Permits
3
Max Depth
8,800 ft
First Permit
2001-06-14
Latest Activity
2015-07-02
Lifespan
14 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2001-08-03
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: ESTANCIA OIL & GAS LLC ≠ Production: WINN OPERATING, LLC (reported 2026-04)
Resolved via: production → WINN OPERATING, 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
2001-08
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 (18) Elevation 2,549 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA - GAU PROTECTION (Santa Rosa) | 1,200 ft | +1,349 ft |
| RUSTLER - GAU PROTECTION (Rustler) | 1,500 ft | +1,049 ft |
| YATES | 2,500 ft | +49 ft |
| SAN ANDRES | 3,230 ft | -681 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 3,230 ft | -681 ft |
| UPPER SPRABERRY (Spraberry) | 5,390 ft | -2,841 ft |
| U/SPRABERRY | 5,390 ft | -2,841 ft |
| LOWER SPRABERRY (Spraberry) | 5,980 ft | -3,431 ft |
| L/SPRABERRY | 5,980 ft | -3,431 ft |
| SPRABERRY | 5,980 ft | -3,431 ft |
| STRAWN | 8,115 ft | -5,566 ft |
| MISSISSIPPIAN | 8,470 ft | -5,921 ft |
| ELLENBURGER | 8,688 ft | -6,139 ft |
| CISCO - ACTIVE CO2 FLOOD (Cisco) | — | — |
| CLEARFORK (Clear Fork) | — | — |
| LEONARD LIME (Leonard) | — | — |
| WICHITA ALBANY (Wichita-Albany) | — | — |
| WOLFCAMP - STRONG WATER FLOWS (Wolfcamp) | — | — |
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 (3)
| Interval | Type |
|---|---|
| 8,202–8,210 ft | Perforated |
| 8,489–8,522 ft | Perforated |
| 8,688–8,718 ft | Open hole |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 220 ft | 200 sx |
| 8.625" | 3,584 ft | 1,500 sx |
| 5.5" | 8,688 ft | 240 sx |
Permit History (3)
Applications (3)
Records & Logs
4 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
- 1019
- Max Depth
- 8,800 ft
- Drill Type
- Vertical
- County
- BORDEN
- District
- 8
- Operator
- ESTANCIA OIL & GAS LLC
- Completed
- 2001-08-03
Operator
- Location
- AUSTIN
- P-5 Status
- Active (filed 2025-09-18)
- Cum Oil (all leases)
- 2,138,764 bbl
- Cum Gas (all leases)
- — mcf
- Activities
- OPRS/O
- Total Permits
- 37