42-003-38968

Final Completion

SHAFTER LAKE /SAN ANDRES/ UNIT

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

Permits

1

Max Depth

5,000 ft

First Permit

2002-05-17

Latest Activity

2002-05-17

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2002-06-08

Shut-In

Plugged

!

EWA / Permit operator mismatch

Scheduling: HILCORP ENERGY COMPANY ≠ Permit: WESTPORT OIL AND GAS COMPANY, LP

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 (4) Elevation 3,192 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,812 ft+380 ft
QUEEN 4,019 ft-827 ft
GRAYBURG 4,142 ft-950 ft
SAN ANDRES 4,338 ft-1,146 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 (3)

IntervalType
4,395–4,496 ftPerforated
4,502–4,592 ftPerforated
4,600–4,604 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"1,704 ft780 sx
5.5"4,714 ft825 sx

Permit History (1)

Applications (1)

#520108 A WESTPORT OIL AND GAS COMPANY, LP
received 2002-05-17

Records & Logs

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

W-2/G-1 2002-06-20 log on file
W-2/G-1 2002-06-20 log on file
W-2/G-1 2002-09-12
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
508R
Max Depth
5,000 ft
Drill Type
Vertical
County
ANDREWS
District
8
Completed
2002-06-08

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