42-355-30638

Final Completion

WALKER "A"

NUECES County · District 4 · COX EDWIN L. · RICHARD KING (5700 KOEHLER)

Permits

Max Depth

6,530 ft

First Permit

1984-11-06

Latest Activity

1986-04-07

Lifespan

1 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1976-02-01

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: COX EDWIN L. ≠ Production: SUN EXPLORATION, INC. (reported 2025-09)

EWA / Permit operator mismatch

Scheduling: COX EDWIN L. ≠ Permit: COX, EDWIN L. & COX, BERRY R.

Resolved via: scheduling → COX EDWIN L.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

BUFFCO PRODUCTION INC. 2009-2011→ QUATRO OIL AND GAS, INC. 2011-2020→ SUN EXPLORATION, INC. 2021-2025

Lease Production

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

Formation Tops (4) Elevation 116 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
U. RICHARD KING	5,371 ft	-5,255 ft
M. RICHARD KING	5,506 ft	-5,390 ft
KOEHLER	5,700 ft	-5,584 ft
BROWNLEE	5,806 ft	-5,690 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 (5)

Interval	Type
5,372–5,380 ft	Perforated
5,504–5,510 ft	Perforated
5,512–5,520 ft	Perforated
5,700–5,708 ft	Perforated
?–5,430 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	377 ft	300 sx
4.5"	5,982 ft	1,290 sx

Permit History (2)

#300679 Recompletion Final Completion

WALKER "A" · 6,482 ft

1986-04-07

#256752 Recompletion Final Completion

WALKER "A" · 6,530 ft

1984-11-06

Applications (2)

#300679 A COX, EDWIN L. & COX, BERRY R.

received 1986-04-04

#256752 A COX, EDWIN L.

received 1984-10-22

Records & Logs

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

W-2/G-1 2020-05-28

W-2/G-1 1986-04-07 log on file

W-2/G-1 1986-04-13

W-2/G-1 1984-10-24

W-2/G-1 1984-10-12

W-2/G-1 1976-06-03

+1 more filings

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 NUECES County.

Well Details

Well Number: 2
Max Depth: 6,530 ft
Drill Type: Vertical
County: NUECES
District: 4
Operator: COX EDWIN L.
Completed: 1976-02-01

Operator

Name: COX, EDWIN L
Location: DALLAS
P-5 Status: Inactive (filed 1986-02-03)
Total Permits: 131