← Wells

42-335-31383

INJECTION

WESTBROOK SOUTHWEST UNIT

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

Permits

1

Max Depth

3,250 ft

First Permit

1978-09-20

Latest Activity

1978-09-20

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2008-04-11

Shut-In

—

Plugged

—

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: GRAYROCK ENERGY II LLC ≠ Permit: UNION TEXAS PETROLEUM CORP.

Resolved via: production → GRAYROCK 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 #000098515 permitted 2008-01-08

Permitted Volume

500 bbl/d

Max Pressure

1,150 psi

Injection Interval

2,300–3,300 ft

Injected (12mo)

100,202 bbl

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

Operator History

Chain of Custody

MERIDIAN OIL INC. 1993-1996→ BURLINGTON RESOURCES OIL&GAS CO. 1996-1997→ GRUY PETROLEUM MANAGEMENT CO. 1997-2006→ CIMAREX ENERGY CO. OF COLORADO 2006-2009→ MERIT ENERGY COMPANY 2009-2017→ ROVER PETROLEUM OPERATING, LLC 2017-2023→ GRAYROCK ENERGY II, LLC 2024-2026

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 (2) Elevation 2,156 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP CLEARFORK (Clear Fork)2,454 ft-298 ft
MIDDLE CLEARFORK (Clear Fork)2,958 ft-802 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
2,712–3,171 ftPerforated
2,834–3,145 ftPerforated

Casing (3)

SizeSet DepthCement
8.625"318 ft225 sx
2.375"3,131 ft—
5.5"3,200 ft750 sx

Permit History (1)

#33066 Drill Final Completion

WESTBROOK, S. W. UNIT · 3,250 ft

1978-09-20

Spud 1978-11-23

Applications (1)

#33066 A UNION TEXAS PETROLEUM CORP.
received 1978-09-20

Records & Logs

2 completion filings on record.

W-2/G-1 2018-05-18
W-2/G-1 1978-12-28
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 MITCHELL County.

Well Details

Well Number
1-10
Max Depth
3,250 ft
Drill Type
Vertical
County
MITCHELL
District
8
Operator
GRAYROCK ENERGY II LLC
Completed
2008-04-11

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