42-461-03316

Final Completion

PEGASUS FIELD UNIT #3

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

Permits

Max Depth

13,140 ft

First Permit

1988-12-06

Latest Activity

1999-04-05

Lifespan

10 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1989-05-16

Shut-In

—

Plugged

—

EWA / Permit operator mismatch

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

Resolved via: scheduling → XTO ENERGY INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

MOBIL PRODUCING TX. & N.M. INC. 1993-2011→ XTO ENERGY INC. 2012-2026

Lease Production

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

Formation Tops (5) Elevation 2,860 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
PENN (Pennsylvanian)	10,290 ft	-7,430 ft
DEVONIAN	11,570 ft	-8,710 ft
FUSSELMAN	12,280 ft	-9,420 ft
MONTOYA	12,410 ft	-9,550 ft
ELLENBURGER	12,890 ft	-10,030 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
12,008–12,153 ft	Perforated
12,320–12,373 ft	Perforated

Casing (7)

Size	Set Depth	Cement
13.375"	461 ft	400 sx
13.375"	461 ft	—
9.625"	4,981 ft	2,875 sx
9.625"	4,981 ft	—
7.625"	9,278 ft	824 sx
5.5"	12,898 ft	935 sx
5.5"	12,898 ft	—

Permit History (2)

#483666 Recompletion Final Completion

PEGASUS FIELD UNIT 3 · 12,200 ft

1999-04-05

Spud 1999-07-03

#353913 Recompletion Final Completion

PEGASUS FIELD UNIT NO. 3 · 13,140 ft

1988-12-06

Applications (2)

#483666 A MOBIL PRODUCING TX. & N.M. INC.

received 1999-04-05

#353913 A MOBIL PRODUCING TX. & N.M. INC.

received 1988-12-05

Records & Logs

5 completion filings on record · 2 with log images at RRC.

W-2/G-1 1999-08-26 log on file

W-2/G-1 1999-09-09

W-2/G-1 1989-06-05 log on file

W-2/G-1 1989-06-30

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: 2901
Max Depth: 13,140 ft
Drill Type: Vertical
County: UPTON
District: 7
Operator: XTO ENERGY INC.
Completed: 1989-05-16

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: 16,140