42-003-39632
Final CompletionANDREWS UNIVERSITY 21
ANDREWS County · District 8 · WILLIAMS CLAYTON ENERGY INC. · BLOCK 5 (WOLFCAMP)
Permits
2
Max Depth
12,000 ft
First Permit
2005-07-28
Latest Activity
2008-02-25
Lifespan
3 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2008-01-04
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: WILLIAMS CLAYTON ENERGY INC. ≠ Production: SABALO II OPERATING, LLC (reported 2026-04)
Resolved via: production → SABALO II 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
2005-11
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 (6) Elevation 3,024 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 2,145 ft | +879 ft |
| YATES | 3,295 ft | -271 ft |
| SAN ADNRES | 5,004 ft | -1,980 ft |
| SAN ANDRES | 5,004 ft | -1,980 ft |
| WOLFCAMP | 9,598 ft | -6,574 ft |
| PENN (Pennsylvanian) | 11,000 ft | -7,976 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 (8)
| Interval | Type |
|---|---|
| 7,630–7,650 ft | Perforated |
| 7,804–7,824 ft | Perforated |
| 7,932–8,040 ft | Perforated |
| 8,148–8,168 ft | Perforated |
| 8,874–8,894 ft | Perforated |
| 9,162–9,182 ft | Perforated |
| 9,990–10,116 ft | Perforated |
| 10,615–11,140 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 388 ft | 425 sx |
| 8.625" | 5,000 ft | 2,520 sx |
| 5.5" | 12,000 ft | 1,610 sx |
Permit History (2)
Applications (2)
Records & Logs
5 completion filings on record · 2 with log images at RRC.
Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 1
- Max Depth
- 12,000 ft
- Drill Type
- Vertical
- County
- ANDREWS
- District
- 8
- Operator
- WILLIAMS CLAYTON ENERGY INC.
- Completed
- 2008-01-04
Operator
- Location
- HOUSTON
- P-5 Status
- Delinquent (filed 2017-04-11)
- Cum Oil (all leases)
- 59,671,164 bbl
- Cum Gas (all leases)
- 168,498,727 mcf
- Total Permits
- 1,139