42-329-31322

Final Completion

PARKS FIELD UNIT 2

MIDLAND County · District 8 · COG OPERATING LLC · PARKS (CONSOLIDATED)

Permits

Max Depth

12,800 ft

First Permit

1984-04-10

Latest Activity

1989-12-28

Lifespan

6 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2010-10-15

Shut-In

—

Plugged

2014-05-21

EWA / Permit operator mismatch

Scheduling: COG OPERATING LLC ≠ Permit: MOBIL PRODUCING TX. & N.M. INC.

Resolved via: production → COG OPERATING LLC

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. 1993-1998→ HENRY PETROLEUM CORP. 1998-2001→ HENRY PETROLEUM LP 2001-2008→ COG OPERATING LLC 2009-2026

Lease Production

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

Formation Tops (9) Elevation 2,882 ft (KB)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
UPPER SPRABERRY (Spraberry)	7,812 ft	-4,930 ft
LOWER SPRABERRY (Spraberry)	8,386 ft	-5,504 ft
DEAN	9,140 ft	-6,258 ft
WOLFCAMP	9,286 ft	-6,404 ft
STRAWN	10,279 ft	-7,397 ft
BEND	10,604 ft	-7,722 ft
DEVONIAN	11,736 ft	-8,854 ft
FUSSELMAN	12,546 ft	-9,664 ft
MONTOYA	12,612 ft	-9,730 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 (6)

Interval	Type
7,814–8,022 ft	Perforated
8,388–8,734 ft	Perforated
8,734–8,388 ft	Perforated
10,281–10,398 ft	Perforated
12,560–12,664 ft	Perforated
12,560–12,694 ft	Perforated

Casing (8)

Size	Set Depth	Cement
13.375"	435 ft	450 sx
13.375"	435 ft	—
9.625"	5,488 ft	2,200 sx
9.625"	5,488 ft	—
5.5"	12,755 ft	2,410 sx
5.5"	12,755 ft	—
9.625"	—	700 sx
5.5"	—	950 sx

Permit History (3)

#367763 Recompletion Final Completion

PARKS FIELD UNIT NO. 2 · 10,200 ft

1989-12-28

#358481 Recompletion U

PARKS FIELD UNIT #2 · 12,500 ft

1989-05-02

#235124 Drill Final Completion

PARKS FIELD UNIT NO. 2 · 12,800 ft

1984-04-10

Spud 1984-06-18

Applications (3)

#367763 A MOBIL PRODUCING TX. & N.M. INC.

received 1989-12-18

#358481 A MOBIL PRODUCING TX. & N.M. INC.

received 1989-04-24

#235124 A MOBIL PRODUCING TX. & N.M. INC.

received 1984-04-09

Records & Logs

9 completion filings on record.

W-2/G-1 2011-02-14

W-2/G-1 1990-03-26

W-2/G-1 1990-03-14

W-2/G-1 1990-03-24

W-2/G-1 1989-08-07

+3 more filings

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images 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 MIDLAND County.

Well Details

Well Number: 2505
Max Depth: 12,800 ft
Drill Type: Vertical
County: MIDLAND
District: 8
Operator: COG OPERATING LLC
Completed: 2010-10-15

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: 4,550