42-339-30738

Final Completion

BROWN UNIT

MONTGOMERY County · District 3 · CUMMINS & WALKER OIL CO. INC. · RISHER (Y-1 SAND)

Permits

3

Max Depth

6,100 ft

First Permit

1985-12-09

Latest Activity

1986-12-03

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1986-02-28

Shut-In

Plugged

1987-10-09

Formation Tops (3) Elevation 196 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
MIOCENE (Miocene (undifferentiated))1 ft+195 ft
FRIO 2,650 ft-2,454 ft
VICKSBURG 4,227 ft-4,031 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
4,617–4,620 ftPerforated
4,807–4,809 ftPerforated
5,180–5,183 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"1,303 ft435 sx
4.5"5,296 ft1,138 sx

Permit History (3)

Applications (3)

#323598 A CUMMINS & WALKER OIL CO., INC.
received 1986-11-26
#302286 A CUMMINS & WALKER OIL CO., INC.
received 1986-05-12
#292207 A CUMMINS & WALKER OIL CO., INC.
received 1985-12-09

Records & Logs

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

W-2/G-1 1986-11-24
W-2/G-1 1986-12-11
W-2/G-1 1986-04-11 log on file
W-2/G-1 1986-06-04
W-2/G-1 1986-03-03 log on file
W-2/G-1 1986-04-23

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 MONTGOMERY County.

Well Details

Well Number
1
Max Depth
6,100 ft
Drill Type
Vertical
County
MONTGOMERY
District
3
Completed
1986-02-28

Operator

Location
AUSTIN
P-5 Status
Active (filed 2026-02-04)
Cum Oil (all leases)
1,531,327 bbl
Cum Gas (all leases)
14,651,789 mcf
Total Permits
365