42-003-35781

Final Completion

SHAFTER LAKE /SAN ANDRES/ UNIT

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

Permits

1

Max Depth

4,850 ft

First Permit

1987-04-07

Latest Activity

1987-04-07

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1987-06-05

Shut-In

Plugged

2014-06-13

!

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 (2) Elevation 3,189 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
GRAYBURG 4,346 ft-1,157 ft
SAN ANDRES 4,601 ft-1,412 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
4,648–4,737 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"503 ft400 sx
5.5"4,850 ft1,650 sx

Permit History (1)

Applications (1)

#328399 A MOBIL PRODUCING TX. & N.M. INC.
received 1987-03-30

Records & Logs

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

W-2/G-1 1987-07-13 log on file
W-2/G-1 1987-07-25
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
329
Max Depth
4,850 ft
Drill Type
Vertical
County
ANDREWS
District
8
Completed
1987-06-05

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
3,430