42-003-38202
Final Completion HorizontalSidetrackUNIVERSITY BLOCK 9
ANDREWS County · District 8 · XTO ENERGY INC. · UNIVERSITY BLOCK 9 (DEVONIAN)
Permits
4
Max Depth
10,713 ft
First Permit
1997-04-24
Latest Activity
2021-11-19
Lifespan
25 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1999-02-02
Shut-In
—
Plugged
—
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 (6) Elevation 3,182 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| GRAYBURG | 4,292 ft | -1,110 ft |
| SAN ANDRES | 4,648 ft | -1,466 ft |
| TUBB | 5,696 ft | -2,514 ft |
| WOLFCAMP | 8,446 ft | -5,264 ft |
| PENN (Pennsylvanian) | 8,780 ft | -5,598 ft |
| DEVONIAN | 10,385 ft | -7,203 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 ↗
Offset Well Tops (nearest 8 wells with tops)
What nearby completed wells reported.
Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).
Perforations (5)
| Interval | Type |
|---|---|
| 8,908–9,242 ft | Perforated |
| 10,396–10,406 ft | Perforated |
| 10,410–11,430 ft | Perforated |
| 10,412–11,508 ft | Perforated |
| 10,459–10,482 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 345 ft | 400 sx |
| 8.625" | 5,275 ft | 1,150 sx |
| 5.5" | 10,705 ft | 900 sx |
Permit History (4)
UNIVERSITY BLOCK 9 /PENN/ UNIT · 10,713 ft
2021-11-19
STATE UNIVERSITY AO · 10,700 ft
1998-09-28
STATE UNIVERSITY AO · 10,700 ft
1998-09-28
Spud 1998-11-03
STATE UNIVERSITY AO · 10,700 ft
1997-04-24
Spud 1997-05-26
Applications (6)
Records & Logs
6 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.
Well Details
- Well Number
- 10AO
- Max Depth
- 10,713 ft
- Drill Type
- Horizontal, Sidetrack
- County
- ANDREWS
- District
- 8
- Operator
- XTO ENERGY INC.
- Completed
- 1999-02-02
Operator
- Name
- XTO ENGY INC
- Location
- SPRING
- P-5 Status
- X (filed 2026-04-08)
- Cum Oil (all leases)
- 772,419,164 bbl
- Cum Gas (all leases)
- 11,039,899,986 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 16,138