42-461-42899

PRODUCING Horizontal

EAGLE PASS B4

UPTON County · District 7 · COG OPERATING LLC · SPRABERRY (TREND AREA)

Permits

1

Max Depth

12,000 ft

First Permit

2024-10-01

Latest Activity

2024-10-01

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2025-10-22

Shut-In

Plugged

P-5 Org Status: X

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2025-02

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 (9) Elevation 2,790 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,606 ft+184 ft
GRAYBURG 4,693 ft-1,903 ft
SAN ANDRES - SALTWATER FLOW (San Andres)4,759 ft-1,969 ft
SPRABERRY 7,588 ft-4,798 ft
DEVONIAN
ELLENBURGER
FUSSELMAN
STRAWN
WOLFCAMP

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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-461-42900 EAGLE PASS B5 · COG OPERATING LLC
0.0 mi
Yates 2,607'Grayburg 4,696'San Andres 4,755'Spraberry 7,592'Wolfcamp 9,052'Devonian Ellenburger Fusselman Strawn
42-461-42901 EAGLE PASS B6 · COG OPERATING LLC
0.0 mi
Yates 2,607'Grayburg 4,697'San Andres 4,757'Spraberry 7,592'Wolfcamp 9,057'Strawn Devonian Fusselman Ellenburger
42-461-42898 EAGLE PASS B3 · COG OPERATING LLC
0.0 mi
Yates 2,605'Grayburg 4,692'San Andres 4,761'Spraberry 7,589'Wolfcamp 9,046'Fusselman Ellenburger Devonian Strawn
42-461-42904 EAGLE PASS B7 · COG OPERATING LLC
0.0 mi
Yates 2,608'Grayburg 4,698'San Andres 5,770'Spraberry 7,591'Fusselman Wolfcamp Ellenburger Devonian Strawn
42-461-42897 EAGLE PASS B2 · COG OPERATING LLC
0.0 mi
Yates 2,604'Grayburg 4,690'San Andres 4,765'Spraberry 7,600'Strawn Ellenburger Wolfcamp Devonian Fusselman
42-461-42902 EAGLE PASS B8 · COG OPERATING LLC
0.0 mi
Yates 2,608'Grayburg 4,698'San Andres 5,775'Spraberry 7,591'Wolfcamp 9,058'Strawn Devonian Ellenburger Fusselman
42-461-42896 EAGLE PASS B1 · COG OPERATING LLC
0.0 mi
Yates 2,603'Grayburg 4,689'San Andres 4,767'Spraberry 7,593'Wolfcamp 9,044'Fusselman Ellenburger Devonian Wolfcamp Strawn
42-461-39224 NEAL RANCH 57 UNIT 32H · COG OPERATING LLC
0.1 mi
Yates 2,587'Grayburg 4,685'San Andres 4,760'Spraberry 7,580'Wolfcamp 9,131'Strawn Fusselman Devonian Ellenburger

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (1)

IntervalType
8,665–18,990 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"526 ft575 sx
5.5"1,908 ft2,125 sx
9.625"6,163 ft540 sx

Permit History (1)

Applications (1)

#901896 A COG OPERATING LLC
received 2024-08-08

Records & Logs

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

W-2/G-1 2025-11-26
W-2/G-1 2025-06-16 log on file
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.

Lat 31.490809
Lon -102.065790

Well Details

Well Number
5903JH
Max Depth
12,000 ft
Drill Type
Horizontal
County
UPTON
District
7
Completed
2025-10-22

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
4,559