42-003-00289
Final Completion HorizontalUNIVERSITY BLOCK 9 /PENN/ UNIT
ANDREWS County · District 8 · XTO ENERGY INC. · UNIVERSITY BLOCK 9 (PENN.)
Permits
4
Max Depth
10,700 ft
First Permit
1998-07-10
Latest Activity
2009-05-22
Lifespan
11 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2000-07-27
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 (9) Elevation 3,154 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| WOLFCAMP | 8,420 ft | -5,266 ft |
| PENNSYLVANIAN | 8,790 ft | -5,636 ft |
| BEND | 9,610 ft | -6,456 ft |
| MISSISSIPPIAN NON-PROD (Mississippian) | 10,012 ft | -6,858 ft |
| MISSISSIPPIAN | 10,025 ft | -6,871 ft |
| WOODFORD NON-PRODUCTIVE (Woodford) | 10,380 ft | -7,226 ft |
| WOODFORD | 10,400 ft | -7,246 ft |
| DEVONIAN | 10,446 ft | -7,292 ft |
| DEVONIAN | 10,461 ft | -7,307 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 (7)
| Interval | Type |
|---|---|
| 8,963–9,038 ft | Perforated |
| 8,963–9,224 ft | Perforated |
| 9,202–9,224 ft | Perforated |
| 10,241–12,848 ft | Perforated |
| 10,446–11,597 ft | Perforated |
| 10,462–10,510 ft | Perforated |
| ?–10,450 ft | Perforated |
Casing (8)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 361 ft | 325 sx |
| 13.375" | 383 ft | 325 sx |
| 9.625" | 383 ft | 2,800 sx |
| 9.625" | 4,471 ft | 2,800 sx |
| 9.625" | 4,494 ft | 2,800 sx |
| 7" | 10,503 ft | 350 sx |
| 7" | 10,503 ft | 350 sx |
| 7" | 10,521 ft | 350 sx |
Permit History (4)
UNIVERSITY BLOCK 9 · 10,700 ft
2009-05-22
Spud 2009-08-31
UNIVERSITY BLOCK 9 · 10,700 ft
2009-05-22
UNIVERSITY 9 "AB" · 10,600 ft
2006-02-03
Spud 2006-03-02
UNIVERSITY 9 AB · 10,521 ft
1998-07-10
Spud 1998-10-24
Applications (4)
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
- 4AB
- Max Depth
- 10,700 ft
- Drill Type
- Horizontal
- County
- ANDREWS
- District
- 8
- Operator
- XTO ENERGY INC.
- Completed
- 2000-07-27
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