42-165-32987

Final Completion

WASSON SOUTH CLEARFORK UNIT

GAINES County · District 8 · OCCIDENTAL PERMIAN LTD. · WILDCAT

Permits

1

Max Depth

7,800 ft

First Permit

1984-09-28

Latest Activity

1984-09-28

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1989-11-02

Shut-In

Plugged

!

EWA / Permit operator mismatch

Scheduling: OCCIDENTAL PERMIAN LTD. ≠ Permit: SHELL WESTERN E&P INC.

Resolved via: productionOCCIDENTAL PERMIAN LTD.

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 (15) Elevation 3,536 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RUSTLER 2,043 ft+1,493 ft
SALADO 2,114 ft+1,422 ft
TANSIL2,814 ft+722 ft
YATES 2,893 ft+643 ft
SEVEN RIVERS 3,052 ft+484 ft
QUEEN 3,379 ft+157 ft
GRAYBURG 4,064 ft-528 ft
SAN ANDRES 4,351 ft-815 ft
GLORIETA 5,846 ft-2,310 ft
U. CLEARFORK6,092 ft-2,556 ft
UPPER CLEARFORK (Clear Fork)6,092 ft-2,556 ft
TUBB 7,193 ft-3,657 ft
L. CLEARFORK7,292 ft-3,756 ft
LOWER CLEARFORK (Clear Fork)7,292 ft-3,756 ft
WICHITA (Wichita-Albany)7,796 ft-4,260 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
6,095–7,591 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"395 ft400 sx
9.625"3,340 ft1,450 sx
5.5"7,874 ft2,875 sx

Permit History (1)

Applications (1)

#253003 A SHELL WESTERN E&P INC.
received 1984-09-21

Records & Logs

5 completion filings on record.

W-2/G-1 1990-08-27
W-2/G-1 1989-12-22
W-2/G-1 1990-01-09
W-2/G-1 1984-12-05
W-2/G-1 1984-12-12
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 GAINES County.

Well Details

Well Number
8528S
Max Depth
7,800 ft
Drill Type
Vertical
County
GAINES
District
8
Completed
1989-11-02

Operator

Location
HOUSTON
P-5 Status
Active (filed 2026-02-02)
Cum Oil (all leases)
1,136,409,534 bbl
Cum Gas (all leases)
442,977,611 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
6,246