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42-461-03862

Final Completion

PEGASUS PENNSYLVANIAN UNIT

UPTON County · District 7 · COG OPERATING LLC · PEGASUS (PENNSYLVANIAN)

Permits

2

Max Depth

13,126 ft

First Permit

1994-05-13

Latest Activity

1998-06-16

Lifespan

4 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1994-09-08

Shut-In

—

Plugged

—

!

EWA / Production operator mismatch

Scheduling: COG OPERATING LLC ≠ Production: XTO ENERGY INC. (reported 2026-04)

!

EWA / Permit operator mismatch

Scheduling: COG OPERATING LLC ≠ Permit: HENRY PETROLEUM CORP.

Resolved via: production → 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→ HENRY PETROLEUM CORP. 1998-2001→ HENRY PETROLEUM LP 2001-2008→ COG OPERATING LLC 2009-2026→ 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.

Gas
production & DCA →
Gas
production & DCA →
Oil
production & DCA →
Oil
production & DCA →
Oil
production & DCA →

Formation Tops (5) Elevation 2,866 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SPRABERRY 7,600 ft-4,734 ft
WOLFCAMP 9,130 ft-6,264 ft
PENNSYLVANIAN 10,050 ft-7,184 ft
DEVONIAN 11,800 ft-8,934 ft
ELLENBURGER 12,900 ft-10,034 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
10,092–10,118 ftPerforated
10,414–10,458 ftPerforated

Casing (4)

SizeSet DepthCement
13.375"451 ft400 sx
9.625"4,672 ft3,700 sx
7.625"9,315 ft—
5.5"12,415 ft—

Permit History (2)

#477202 Recompletion Final Completion

PEGASUS FIELD UNIT 3 · 13,126 ft

1998-06-16

Spud 1998-06-22

#423747 Recompletion Final Completion

PEGASUS PENNSYLVANIAN UNIT · 12,000 ft

1994-05-13

Spud 1994-08-18

Applications (2)

#477202 A HENRY PETROLEUM CORP.
received 1998-06-16
#423747 A MOBIL PRODUCING TX. & N.M. INC.
received 1994-05-09

Records & Logs

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

W-2/G-1 2003-12-22
W-2/G-1 2004-03-01
W-2/G-1 1998-08-04 log on file
W-2/G-1 1998-08-10
W-2/G-1 1994-10-24 log on file
W-2/G-1 1994-10-31

+2 more filings

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
1705
Max Depth
13,126 ft
Drill Type
Vertical
County
UPTON
District
7
Operator
COG OPERATING LLC
Completed
1994-09-08

Operator

Location
MIDLAND
P-5 Status
X (filed 2026-06-02)
Cum Oil (all leases)
645,285,792 bbl
Cum Gas (all leases)
305,183,488 mcf
Activities
OPRS/G, OPRS/O
Total Permits
4,550