42-239-31253

Final Completion

WEST RANCH -A-

JACKSON County · District 2 · HILCORP ENERGY COMPANY · WEST RANCH (41-A & 98-A CONS.)

Permits

2

Max Depth

6,222 ft

First Permit

1978-01-17

Latest Activity

1989-06-13

Lifespan

11 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1989-10-09

Shut-In

Plugged

!

EWA / Permit operator mismatch

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

Resolved via: productionHILCORP ENERGY COMPANY

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Lease Production

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

Formation Tops (3) Elevation 21 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CATAHOULA 4,261 ft-4,240 ft
FRIO 5,000 ft-4,979 ft
GRETA 5,102 ft-5,081 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)

IntervalType
5,668–5,694 ftPerforated
5,685–5,695 ftPerforated
5,685–5,705 ftPerforated
5,699–5,705 ftPerforated
6,084–6,091 ftPerforated

Casing (6)

SizeSet DepthCement
10.75"1,315 ft750 sx
10.75"1,315 ft750 sx
10.75"1,315 ft
2.875"5,662 ft
7"6,220 ft2,760 sx
7"6,220 ft

Permit History (2)

Applications (2)

#359317 A MOBIL PRODUCING TX. & N.M. INC.
received 1989-05-15
#16492 A MOBIL OIL CORPORATION
received 1978-01-17

Records & Logs

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

W-2/G-1 2021-02-02
W-2/G-1 2018-02-05
W-2/G-1 2019-04-09
W-2/G-1 1989-11-20 log on file
W-2/G-1 1989-11-20 log on file
W-2/G-1 1989-11-20 log on file

+3 more 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
491
Max Depth
6,222 ft
Drill Type
Vertical
County
JACKSON
District
2
Completed
1989-10-09

Operator

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