42-173-33685

PRODUCING

COOK 21

GLASSCOCK County · District 8 · APACHE CORPORATION · SPRABERRY (TREND AREA)

Permits

2

Max Depth

11,000 ft

First Permit

2010-05-27

Latest Activity

2010-05-27

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2017-12-19

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2010-08

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 (5) Elevation 2,697 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
WOLFCAMP 7,594 ft-4,897 ft
GARDEN CITY, NW (STRAWN)9,769 ft-7,072 ft
STRAWN 9,769 ft-7,072 ft
FUSSELMAN 10,660 ft-7,963 ft
JAILHOUSE (FUSSELMAN)10,660 ft-7,963 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 (3)

IntervalType
7,633–9,495 ftPerforated
7,633–9,729 ftPerforated
9,773–10,309 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"425 ft425 sx
8.625"3,244 ft800 sx
5.5"10,841 ft1,250 sx

Permit History (2)

Applications (2)

#696646 A APACHE CORPORATION
received 2011-06-09
#696646 A MARINER ENERGY, INC.
received 2010-05-26

Records & Logs

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

W-2/G-1 2018-02-13
W-2/G-1 2012-01-12 log on file

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 GLASSCOCK County.

Well Details

Well Number
4
Max Depth
11,000 ft
Drill Type
Vertical
County
GLASSCOCK
District
8
Completed
2017-12-19

Operator

Location
HOUSTON
P-5 Status
Active (filed 2025-12-03)
Cum Oil (all leases)
615,928,793 bbl
Cum Gas (all leases)
2,702,742,169 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
9,708