42-239-32372

WEST RANCH -A-

JACKSON County · District 2 · HILCORP ENERGY COMPANY · WEST RANCH (98-A)

Permits

Max Depth

9,000 ft

First Permit

1987-10-09

Latest Activity

1990-04-13

Lifespan

3 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1988-04-28

Shut-In

—

Plugged

1991-07-24

EWA / Permit operator mismatch

Scheduling: HILCORP ENERGY COMPANY ≠ Permit: MOBIL PRODUCING TX. & N.M. INC.

Resolved via: scheduling → 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 2007-2009

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 (5) Elevation 49 ft (KB)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
BASE MIOCENE (Miocene (undifferentiated))	4,471 ft	-4,422 ft
GRETA	5,100 ft	-5,051 ft
WARD	5,684 ft	-5,635 ft
41-A	5,738 ft	-5,689 ft
98-A	6,142 ft	-6,093 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)

Interval	Type
5,676–5,680 ft	Perforated
5,708–5,717 ft	Perforated
6,162–6,168 ft	Perforated

Casing (5)

Size	Set Depth	Cement
14"	60 ft	—
8.625"	1,596 ft	900 sx
8.625"	1,596 ft	—
5.5"	6,672 ft	875 sx
5.5"	6,672 ft	—

Permit History (2)

#371893 Recompletion U

WEST RANCH "A" · 8,550 ft

1990-04-13

#335744 Drill Final Completion

WEST RANCH "A" · 9,000 ft

1987-10-09

Applications (2)

#371893 A MOBIL PRODUCING TX. & N.M. INC.

received 1990-04-06

#335744 A MOBIL PRODUCING TX. & N.M. INC.

received 1987-09-10

Records & Logs

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

W-2/G-1 1990-10-31

W-2/G-1 1990-05-21 log on file

W-2/G-1 1990-06-21

W-2/G-1 1988-06-13 log on file

W-2/G-1 1988-03-14 log on file

W-2/G-1 1988-04-07

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: 521
Max Depth: 9,000 ft
Drill Type: Vertical
County: JACKSON
District: 2
Operator: HILCORP ENERGY COMPANY
Completed: 1988-04-28

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: 3,436