42-239-02421

Final Completion

WEST RANCH -A-

JACKSON County · District 2 · HILCORP ENERGY COMPANY · WEST RANCH (41-A)

Permits

Max Depth

5,779 ft

First Permit

1979-01-04

Latest Activity

1986-01-16

Lifespan

7 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

1991-03-05

EWA / Permit operator mismatch

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

Oil

production & DCA →

Formation Tops (3) Elevation 41 ft (DF)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
MARGINULINA 5000	4,980 ft	-4,939 ft
GRETA	5,096 ft	-5,055 ft
GLASSCOCK	5,475 ft	-5,434 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
5,125–5,132 ft	Perforated
5,453–5,457 ft	Perforated
5,726–5,736 ft	Perforated
5,762–5,765 ft	Perforated

Casing (5)

Size	Set Depth	Cement
9.625"	1,323 ft	528 sx
9.625"	1,324 ft	—
9.625"	1,328 ft	—
2.375"	5,647 ft	—
5.5"	5,779 ft	—

Permit History (3)

#296153 Recompletion Final Completion

WEST RANCH "A" · 5,779 ft

1986-01-16

#232349 Recompletion Final Completion

WEST RANCH "A" · 5,743 ft

1984-03-14

#41122 Recompletion Final Completion

WEST RANCH "A" · 5,779 ft

1979-01-04

Applications (3)

#296153 A MOBIL PRODUCING TX. & N.M. INC.

received 1986-01-10

#232349 A MOBIL PRODUCING TX. & N.M. INC.

received 1984-03-12

#41122 A MOBIL OIL CORPORATION

received 1979-01-04

Records & Logs

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

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

W-2/G-1 1986-04-25

W-2/G-1 1984-07-06

W-2/G-1 1979-04-14

W-2/G-1 1984-01-12

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: 66
Max Depth: 5,779 ft
Drill Type: Vertical
County: JACKSON
District: 2
Operator: HILCORP ENERGY COMPANY

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