42-335-32087

Final Completion

WESTBROOK SOUTHWEST UNIT

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

Permits

1

Max Depth

3,300 ft

First Permit

1981-08-04

Latest Activity

1981-08-04

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2020-09-03

Shut-In

Plugged

2020-10-09

!

EWA / Permit operator mismatch

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

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 Plugged 2020-11-16 UIC #000043114 permitted 2007-03-09

Permitted Volume

700 bbl/d

Max Pressure

1,100 psi

Injection Interval

2,300–3,300 ft

Injected (12mo)

Monthly injected volume (bbl, from H-10 filings through 2021-01-01)

Lease Production

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

Formation Tops (5) Elevation 2,148 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN ANDRES 1,550 ft+598 ft
SAN ANGELO 2,225 ft-77 ft
CLEARFORK (Clear Fork)2,450 ft-302 ft
TUBB 2,875 ft-727 ft
LOWER CLEARFORK (Clear Fork)3,025 ft-877 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)

IntervalType
2,974–3,150 ftPerforated

Casing (2)

SizeSet DepthCement
10.75"303 ft300 sx
5.5"3,300 ft1,045 sx

Permit History (1)

Applications (1)

#128907 A UNION TEXAS PETROLEUM CORP.
received 1981-08-04

Records & Logs

2 completion filings on record.

W-2/G-1 2020-10-06
W-2/G-1 1982-03-19

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
424
Max Depth
3,300 ft
Drill Type
Vertical
County
MITCHELL
District
8
Completed
2020-09-03

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