42-003-41036
SHUT INANDREWS UNIVERSITY 21
ANDREWS County · District 8 · SABALO II OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
11,500 ft
First Permit
2009-06-08
Latest Activity
2009-06-08
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2009-08-13
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: SABALO II OPERATING LLC ≠ Permit: WILLIAMS, CLAYTON ENERGY, INC.
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
2008-02
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 3,020 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CLEARFORK (Clear Fork) | 6,966 ft | -3,946 ft |
| SPRABERRY | 8,610 ft | -5,590 ft |
| DEAN | 9,634 ft | -6,614 ft |
| WOLFCAMP | 9,768 ft | -6,748 ft |
| STRAWN | 11,061 ft | -8,041 ft |
| ATOKA | 11,262 ft | -8,242 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 (1)
| Interval | Type |
|---|---|
| 7,578–11,142 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 423 ft | 440 sx |
| 8.625" | 5,019 ft | 1,685 sx |
| 5.5" | 11,440 ft | 800 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 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
- 4
- Max Depth
- 11,500 ft
- Drill Type
- Vertical
- County
- ANDREWS
- District
- 8
- Operator
- SABALO II OPERATING LLC
- Completed
- 2009-08-13
Operator
- Name
- SABALO II OPER, LLC
- Location
- CORPUS CHRS, TI
- P-5 Status
- Active (filed 2026-02-25)
- Cum Oil (all leases)
- 2,190,078 bbl
- Cum Gas (all leases)
- 183 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 61