42-173-32454
Final CompletionPOWELL 15B
GLASSCOCK County · District 8 · VANGUARD OPERATING LLC · COBRA (WOLFCAMP)
Permits
1
Max Depth
8,500 ft
First Permit
1994-08-22
Latest Activity
1994-08-22
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1994-09-13
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: VANGUARD OPERATING LLC ≠ Production: OXY USA INC. (reported 2023-12)
EWA / Permit operator mismatch
Scheduling: VANGUARD OPERATING LLC ≠ Permit: TREND EXPLORATION COMPANY
Resolved via: scheduling → VANGUARD 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
1994-09
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 (7) Elevation 2,539 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BASE SAN ANDRES (San Andres) | 4,000 ft | -1,461 ft |
| TOP UPPER CLEARFORK (Clear Fork) | 5,392 ft | -2,853 ft |
| UPPER CLEARFORK (Clear Fork) | 5,392 ft | -2,853 ft |
| DEAN SILTSTONE (Dean) | 7,570 ft | -5,031 ft |
| TOP DEAN SILTSTONE (Dean) | 7,570 ft | -5,031 ft |
| TOP WOLFCAMP CARBONATE (Wolfcamp) | 7,928 ft | -5,389 ft |
| WOLFCAMP CARBONATE (Wolfcamp) | 7,928 ft | -5,389 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 (3)
| Interval | Type |
|---|---|
| 7,973–7,982 ft | Perforated |
| 7,973–7,985 ft | Perforated |
| 8,000–8,004 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 12.75" | 295 ft | 345 sx |
| 8.625" | 3,194 ft | 675 sx |
| 5.5" | 8,136 ft | 250 sx |
Permit History (1)
Applications (1)
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
- 33D
- Max Depth
- 8,500 ft
- Drill Type
- Vertical
- County
- GLASSCOCK
- District
- 8
- Operator
- VANGUARD OPERATING LLC
- Completed
- 1994-09-13
Operator
- Name
- VANGUARD OPER, LLC
- Location
- HOUSTON
- P-5 Status
- Inactive (filed 2018-09-28)
- Cum Oil (all leases)
- 2,952,418 bbl
- Cum Gas (all leases)
- 26,103,904 mcf
- Total Permits
- 4