42-481-33986

Final Completion

VASTAR-DUNCAN C

WHARTON County · District 3 · WALTER OIL & GAS CORPORATION · EGYPT (COOK MTN. 8300)

Permits

Max Depth

9,200 ft

First Permit

1997-07-30

Latest Activity

1998-06-05

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1997-09-14

Shut-In

—

Plugged

1999-02-11

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1997-09

Last Production

1999-02

Lease Production

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

Gas

production & DCA →

Formation Tops (2) Elevation 15 ft (RT)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
TOP FRIO (Frio)	3,730 ft	-3,715 ft
TOP YEGUA (Yegua)	6,730 ft	-6,715 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)

Interval	Type
8,296–8,298 ft	Perforated

Casing (4)

Size	Set Depth	Cement
9.625"	2,250 ft	—
7"	7,590 ft	—
2.875"	8,998 ft	265 sx
2"	8,998 ft	—

Permit History (2)

#477116 Field Transfer Final Completion

VASTAR-DUNCAN · 9,000 ft

1998-06-05

Spud 1997-08-03

#465664 Drill Final Completion

VASTAR-DUNCAN · 9,200 ft

1997-07-30

Spud 1997-08-03

Applications (3)

#465664 X WALTER OIL & GAS CORPORATION

received 1998-06-02

#477116 A WALTER OIL & GAS CORPORATION

received 1998-06-02

#465664 A WALTER OIL & GAS CORPORATION

received 1997-07-30

Records & Logs

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

W-2/G-1 1997-12-17

W-2/G-1 1997-10-16 log on file

W-2/G-1 1997-11-14

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 WHARTON County.

Well Details

Well Number: 3
Max Depth: 9,200 ft
Drill Type: Vertical
County: WHARTON
District: 3
Operator: WALTER OIL & GAS CORPORATION
Completed: 1997-09-14

Operator

Name: WALTER OIL & GAS CORP
Location: HOUSTON
P-5 Status: Active (filed 2025-07-28)
Cum Oil (all leases): 693,988 bbl
Cum Gas (all leases): 185,737,634 mcf
Activities: CSGD/P, G/PUR, OPRS/G, OPRS/O
Total Permits: 193