42-003-41097

Final Completion

MUSTANG

ANDREWS County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)

Permits

Max Depth

11,500 ft

First Permit

2009-07-21

Latest Activity

2010-07-20

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2009-11-22

Shut-In

—

Plugged

2017-03-08

EWA / Permit operator mismatch

Scheduling: COG OPERATING LLC ≠ Permit: HIGH SKY PARTNERS LLC

Resolved via: production → COG OPERATING LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2009-11

Last Production

2026-07

Operator History

Chain of Custody

HIGH SKY PARTNERS LLC 2009-2011→ OXY USA INC. 2011-2017→ COG OPERATING LLC 2017-2026

Lease Production

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

Oil

production & DCA →

Formation Tops (6) Elevation 2,933 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
YATES	2,982 ft	-49 ft
SAN ANDRES	4,983 ft	-2,050 ft
UPPER SPRABERRY (Spraberry)	8,292 ft	-5,359 ft
T/WOLFCAMP	9,642 ft	-6,709 ft
LWR PENN	10,501 ft	-7,568 ft
STRAWN	10,840 ft	-7,907 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 (1)

Interval	Type
7,194–10,848 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	411 ft	440 sx
8.625"	5,832 ft	1,595 sx
5.5"	11,024 ft	994 sx

Permit History (2)

#699037 Recompletion Final Completion

MUSTANG · 11,500 ft

2010-07-20

Spud 2009-09-12

#683034 Drill Final Completion

MUSTANG · 11,500 ft

2009-07-21

Spud 2009-09-11

Applications (2)

#699037 A HIGH SKY PARTNERS LLC

received 2010-07-14

#683034 A HIGH SKY PARTNERS LLC

received 2009-07-13

Records & Logs

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

W-2/G-1 2009-12-23 log on file

W-2/G-1 2010-05-25

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 ANDREWS County.

Well Details

Well Number: 3401
Max Depth: 11,500 ft
Drill Type: Vertical
County: ANDREWS
District: 8
Operator: COG OPERATING LLC
Completed: 2009-11-22

Operator

Name: COG OPER LLC
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: 4,547