42-003-38320
Final Completion HorizontalUNIVERSITY BLOCK 9 /PENN/ UNIT
ANDREWS County · District 8 · XTO ENERGY INC. · UNIVERSITY BLOCK 9 (PENN.)
Permits
5
Max Depth
10,800 ft
First Permit
1997-11-03
Latest Activity
2012-04-05
Lifespan
14 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1998-12-01
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 (7) Elevation 3,170 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| WOLFCAMP | 8,390 ft | -5,220 ft |
| PENN (Pennsylvanian) | 8,730 ft | -5,560 ft |
| MISS (Mississippian) | 9,867 ft | -6,697 ft |
| MISSISSIPPIAN (NON-PRODUCTIVE ZO (Mississippian) | 9,868 ft | -6,698 ft |
| WOODFORD (NON-PRODUCTIVE ZONE) (Woodford) | 10,221 ft | -7,051 ft |
| DEVONIAN | 10,286 ft | -7,116 ft |
| DEVONIAN | 10,295 ft | -7,125 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 (11)
| Interval | Type |
|---|---|
| 8,986–9,020 ft | Perforated |
| 9,088–9,134 ft | Perforated |
| 10,012–11,016 ft | Perforated |
| 10,012–11,016 ft | Open hole |
| 10,324–10,553 ft | Perforated |
| 10,338–10,360 ft | Perforated |
| 10,370–10,374 ft | Perforated |
| 10,382–10,394 ft | Perforated |
| 10,390–12,549 ft | Open hole |
| 10,466–10,474 ft | Perforated |
| 10,540–10,553 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 306 ft | 400 sx |
| 8.625" | 5,068 ft | 1,150 sx |
| 5.5" | 10,684 ft | 950 sx |
Permit History (5)
UNIVERISTY BLK 9 · 10,800 ft
2012-04-05
Spud 2012-05-12
STATE UNIVERSITY AO · 10,500 ft
2006-07-18
STATE UNIVERSITY AO · 10,500 ft
2006-07-18
Spud 2006-07-18
UNIVERSITY BLOCK 9/PENN/UNIT · 10,700 ft
1998-10-15
Spud 1998-11-12
STATE UNIVERSITY AO · 10,800 ft
1997-11-03
Spud 1997-11-20
Applications (5)
Records & Logs
8 completion filings on record · 4 with log images at RRC.
+2 more filings
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
- 12AO
- Max Depth
- 10,800 ft
- Drill Type
- Horizontal
- County
- ANDREWS
- District
- 8
- Operator
- XTO ENERGY INC.
- Completed
- 1998-12-01
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