42-003-03531

Final Completion

SHAFTER LAKE /SAN ANDRES/ UNIT

ANDREWS County · District 8 · HILCORP ENERGY COMPANY · SHAFTER LAKE (SAN ANDRES)

Permits

1

Max Depth

9,250 ft

First Permit

1983-10-19

Latest Activity

1983-10-19

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1984-01-19

Shut-In

Plugged

2013-04-19

!

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 (6) Elevation 3,197 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RUSTLER 1,956 ft+1,241 ft
YATES 3,125 ft+72 ft
GRAYBURG 4,424 ft-1,227 ft
SAN ANDRES 4,621 ft-1,424 ft
WOLFCAMP 8,580 ft-5,383 ft
PENNSYLVANIAN 8,968 ft-5,771 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 (1)

IntervalType
4,504–4,655 ftPerforated

Casing (4)

SizeSet DepthCement
13.375"438 ft425 sx
9.625"5,050 ft
9.625"
7.625"

Permit History (1)

Applications (1)

#217777 A MOBIL PRODUCING TX. & N.M. INC.
received 1983-10-03

Records & Logs

3 completion filings on record.

W-2/G-1 1984-03-08
W-2/G-1 1984-03-08
W-2/G-1 1973-10-17
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library 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 ANDREWS County.

Well Details

Well Number
328
Max Depth
9,250 ft
Drill Type
Vertical
County
ANDREWS
District
8
Completed
1984-01-19

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
3,431