42-335-35003

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WESTBROOK SOUTHWEST UNIT

MITCHELL County · District 8 · GRAYROCK ENERGY II LLC · WESTBROOK

Permits

1

Max Depth

3,600 ft

First Permit

2008-02-25

Latest Activity

2008-02-25

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2008-05-25

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: GRAYROCK ENERGY II LLC ≠ Permit: CIMAREX ENERGY CO. OF COLORADO

Resolved via: productionGRAYROCK ENERGY II, LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000098878 permitted 2008-05-13

Permitted Volume

500 bbl/d

Max Pressure

1,150 psi

Injection Interval

2,300–3,300 ft

Injected (12mo)

Monthly injected volume (bbl, from H-10 filings through 2026-01-01)

Lease Production

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

Formation Tops (1) Elevation 2,218 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CLEARFORK (Clear Fork)2,496 ft-278 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
2,511–2,769 ftPerforated
2,974–3,220 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"316 ft225 sx
5.5"3,398 ft1,045 sx

Permit History (1)

Applications (1)

#655460 A CIMAREX ENERGY CO. OF COLORADO
received 2008-02-15

Records & Logs

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

W-2/G-1 2008-08-15 log on file
W-2/G-1 2008-12-02

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 MITCHELL County.

Well Details

Well Number
1520W
Max Depth
3,600 ft
Drill Type
Vertical
County
MITCHELL
District
8
Completed
2008-05-25

Operator

Location
FORT WORTH
P-5 Status
Active (filed 2025-10-16)
Cum Oil (all leases)
1,537,532 bbl
Cum Gas (all leases)
35,084 mcf
Activities
OPRS/G, OPRS/O