42-239-31189

Final Completion

WEST RANCH -A-

JACKSON County · District 2 · HILCORP ENERGY COMPANY · WEST RANCH (MARGINULINA 5000)

Permits

Max Depth

5,300 ft

First Permit

1977-09-15

Latest Activity

2004-08-18

Lifespan

27 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2004-08-19

Shut-In

—

Plugged

2017-07-26

EWA / Permit operator mismatch

Scheduling: HILCORP ENERGY COMPANY ≠ Permit: VINTAGE PETROLEUM, INC.

Resolved via: production → HILCORP ENERGY COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

MERIDIAN OIL PRODUCTION INC. 1993-1996→ MERIDIAN OIL INC. 1996-1996→ BURLINGTON RESOURCES OIL&GAS CO. 1996-1997→ VINTAGE PETROLEUM, INC. 1997-2006→ VINTAGE PETROLEUM, LLC 2006-2007→ HILCORP ENERGY COMPANY 2007-2026

Lease Production

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

Formation Tops (3) Elevation 26 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
MARGINULINA	4,983 ft	-4,957 ft
MENEFEE	5,520 ft	-5,494 ft
WARD	5,634 ft	-5,608 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 (4)

Interval	Type
4,982–5,056 ft	Perforated
5,068–5,082 ft	Perforated
5,100–5,108 ft	Perforated
5,125–5,140 ft	Perforated

Casing (2)

Size	Set Depth	Cement
10.75"	1,329 ft	750 sx
7"	5,091 ft	1,110 sx

Permit History (2)

#549746 Recompletion Final Completion

WEST RANCH -A- · 5,060 ft

2004-08-18

#8571 Drill Final Completion

WEST RANCH "A" · 5,300 ft

1977-09-15

Spud 1978-01-03

Applications (2)

#549746 A VINTAGE PETROLEUM, INC.

received 2004-08-18

#8571 A MOBIL OIL CORPORATION

received 1977-09-15

Records & Logs

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

W-2/G-1 2005-01-07 log on file

W-2/G-1 2005-05-04

W-2/G-1 1994-08-12

W-2/G-1 1987-03-09

W-2/G-1 1978-02-21

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 JACKSON County.

Well Details

Well Number: 484
Max Depth: 5,300 ft
Drill Type: Vertical
County: JACKSON
District: 2
Operator: HILCORP ENERGY COMPANY
Completed: 2004-08-19

Operator

Name: HILCORP ENGY CO
Location: HOUSTON
P-5 Status: X (filed 2026-03-27)
Cum Oil (all leases): 75,699,281 bbl
Cum Gas (all leases): 1,779,939,645 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits: 3,435