← Wells

42-255-31252

Final Completion

KUNKEL-SALYER

KARNES County · District 2 · BLACKBRUSH O & G LLC · HOBSON

Permits

1

Max Depth

4,200 ft

First Permit

1990-08-06

Latest Activity

1990-08-06

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1990-10-01

Shut-In

—

Plugged

2016-04-26

!

EWA / Production operator mismatch

Scheduling: BLACKBRUSH O & G LLC ≠ Production: BLACKBRUSH O & G, INC. (reported 2005-08)

!

EWA / Permit operator mismatch

Scheduling: BLACKBRUSH O & G LLC ≠ Permit: BAY ROCK OPERATING COMPANY

Resolved via: scheduling → BLACKBRUSH O & G LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2016-06

Operator History

Chain of Custody

BAY ROCK OPERATING COMPANY 1993-1993→ WHITFIELD, BILLY C. 1994-2002→ FLATROCK PRODUCTION COMPANY, LLC 2003-2004→ BLACKBRUSH O & G, INC. 2005-2005

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 (3) Elevation 441 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
ATKINSON3,990 ft-3,549 ft
CARRIZO 4,019 ft-3,578 ft
WEIGANG4,050 ft-3,609 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
3,991–3,994 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"424 ft180 sx
4.5"4,104 ft890 sx

Permit History (1)

#370300 Drill Final Completion

KUNKEL-SALYER · 4,200 ft

1990-08-06

Spud 1990-08-31

Applications (1)

#370300 A BAY ROCK OPERATING COMPANY
received 1990-02-26

Records & Logs

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

W-2/G-1 1990-10-15 log on file
W-2/G-1 1990-10-22
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 KARNES County.

Well Details

Well Number
1
Max Depth
4,200 ft
Drill Type
Vertical
County
KARNES
District
2
Operator
BLACKBRUSH O & G LLC
Completed
1990-10-01

Operator

Location
SAN ANTONIO
P-5 Status
Active (filed 2025-09-16)
Cum Oil (all leases)
14,940,812 bbl
Cum Gas (all leases)
59,004,108 mcf
Activities
GTHS/G, OPRS/G, OPRS/O
Total Permits
338