42-461-03321
Final CompletionPEGASUS ELLENBURGER UNIT
UPTON County · District 7 · XTO ENERGY INC. · PEGASUS (ELLENBURGER)
Permits
1
Max Depth
12,900 ft
First Permit
1995-08-22
Latest Activity
1995-08-22
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: XTO ENERGY INC. ≠ Permit: MOBIL PRODUCING TX. & N.M. INC.
Resolved via: production → XTO ENERGY INC.
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
Injection / Disposal
UPTON County disposal market →Permitted Volume
—
Max Pressure
—
Injection Interval
—
Injected (12mo)
—
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 2,865 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SPRABERRY | 7,450 ft | -4,585 ft |
| WOLFCAMP | 9,201 ft | -6,336 ft |
| PENNSYLVANIAN | 10,370 ft | -7,505 ft |
| DEVONIAN | 11,616 ft | -8,751 ft |
| FUSSELMAN | 12,330 ft | -9,465 ft |
| ELLENBURGER | 12,999 ft | -10,134 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 (2)
| Interval | Type |
|---|---|
| 11,980–12,130 ft | Perforated |
| 12,998–13,325 ft | Open hole |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 443 ft | 400 sx |
| 9.625" | 4,667 ft | 2,807 sx |
| 7.625" | 9,302 ft | 1,325 sx |
Permit History (1)
Applications (1)
Records & Logs
7 completion filings on record · 1 with log images at RRC.
+1 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
- 4102
- Max Depth
- 12,900 ft
- Drill Type
- Vertical
- County
- UPTON
- District
- 7
- Operator
- XTO ENERGY INC.
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