42-239-02586

Final Completion

WEST RANCH -A-

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

Permits

1

Max Depth

5,750 ft

First Permit

1979-01-30

Latest Activity

1979-01-30

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

!

EWA / Permit operator mismatch

Scheduling: HILCORP ENERGY COMPANY ≠ Permit: MOBIL OIL CORPORATION

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 19 ft (DF)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CATAHOULA 4,261 ft-4,242 ft
FRIO 5,000 ft-4,981 ft
GRETTA5,102 ft-5,083 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)

IntervalType
5,074–5,079 ftPerforated
5,075–5,079 ftPerforated
5,081–5,096 ftPerforated
5,488–5,520 ftPerforated

Casing (9)

SizeSet DepthCement
13.375"73 ft150 sx
13.375"73 ft
9.625"1,320 ft528 sx
9.625"1,320 ft
2.375"5,005 ft
5.5"5,750 ft528 sx
5.5"5,750 ft
5.5"5,751 ft528 sx
5.5"5,751 ft

Permit History (1)

Applications (1)

#41728 A MOBIL OIL CORPORATION
received 1979-01-30

Records & Logs

7 completion filings on record.

W-2/G-1 2017-11-02
W-2/G-1 1989-01-06
W-2/G-1 1988-10-07
W-2/G-1 1984-06-15
W-2/G-1 1984-06-15
W-2/G-1 1966-12-27

+1 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
231
Max Depth
5,750 ft
Drill Type
Vertical
County
JACKSON
District
2

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
3,439