42-461-03901
Final CompletionPEGASUS ELLENBURGER UNIT
UPTON County · District 7 · XTO ENERGY INC. · PEGASUS (ELLENBURGER)
Permits
1
Max Depth
12,600 ft
First Permit
2000-04-07
Latest Activity
2000-04-07
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1989-10-09
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
8 mcf/d
Max Pressure
4,000 psi
Injection Interval
12,935–13,065 ft
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 (5)
CSV| Formation | Top Depth (MD) |
|---|---|
| PENN (Pennsylvanian) | 10,109 ft |
| SILURIAN (Silurian (undifferentiated)) | 12,160 ft |
| MONTOYA | 12,280 ft |
| SIMPSON | 12,415 ft |
| ELLENBURGER | 12,778 ft |
As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. View filings & logs at RRC ↗
Perforations (2)
| Interval | Type |
|---|---|
| 12,240–12,280 ft | Perforated |
| 12,955–13,065 ft | Perforated |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 458 ft | 400 sx |
| 9.625" | 4,667 ft | 3,600 sx |
| 9.625" | 4,668 ft | 3,600 sx |
| 7.625" | 9,300 ft | 1,020 sx |
| 5.5" | 12,776 ft | — |
Permit History (1)
Applications (1)
Records & Logs
6 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
- 1303
- Max Depth
- 12,600 ft
- Drill Type
- Vertical
- County
- UPTON
- District
- 7
- Operator
- XTO ENERGY INC.
- Completed
- 1989-10-09
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