42-461-03354

Final Completion

PEGASUS ELLENBURGER UNIT

UPTON County · District 7 · XTO ENERGY INC. · PEGASUS (ELLENBURGER)

Permits

1

Max Depth

12,600 ft

First Permit

1996-02-07

Latest Activity

1996-02-07

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1991-12-25

Shut-In

Plugged

!

EWA / Permit operator mismatch

Scheduling: XTO ENERGY INC. ≠ Permit: MOBIL PRODUCING TX. & N.M. INC.

Resolved via: productionXTO ENERGY INC.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (6) Elevation 2,866 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SPRABERRY 7,658 ft-4,792 ft
WOLFCAMP 9,158 ft-6,292 ft
STRAWN 10,028 ft-7,162 ft
BEND 10,245 ft-7,379 ft
DEVONIAN 11,301 ft-8,435 ft
ELLENBURGER 12,759 ft-9,893 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)

IntervalType
11,728–11,855 ftPerforated
12,706–13,107 ftOpen hole

Casing (3)

SizeSet DepthCement
13.375"464 ft400 sx
9.625"4,670 ft2,200 sx
7.625"9,280 ft570 sx

Permit History (1)

Applications (1)

#444224 A MOBIL PRODUCING TX. & N.M. INC.
received 1996-01-29

Records & Logs

4 completion filings on record · 1 with log images at RRC.

W-2/G-1 1997-09-15 log on file
W-2/G-1 1997-09-25
W-2/G-1 1992-01-24
W-2/G-1 1984-01-12
Completion packets + logs ↗ Wellbore 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

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in UPTON County.

Well Details

Well Number
2002
Max Depth
12,600 ft
Drill Type
Vertical
County
UPTON
District
7
Completed
1991-12-25

Operator

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