42-165-32841

PRODUCING

WASSON SOUTH CLEARFORK UNIT

GAINES County · District 8 · OCCIDENTAL PERMIAN LTD. · WASSON 72

Permits

1

Max Depth

7,800 ft

First Permit

1984-05-23

Latest Activity

1984-05-23

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1991-07-21

Shut-In

Plugged

P-5 Org Status: Active

!

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 3,539 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RUSTLER 2,073 ft+1,466 ft
SALADO 2,117 ft+1,422 ft
TANSIL2,796 ft+743 ft
YATES 2,877 ft+662 ft
SEVEN RIVERS 3,032 ft+507 ft
QUEEN 3,361 ft+178 ft
GRAYBURG 4,042 ft-503 ft
SAN ANDRES 4,303 ft-764 ft
GLORIETA 5,704 ft-2,165 ft
U.CLEARFORK5,952 ft-2,413 ft
UPPER CLEARFORK (Clear Fork)5,952 ft-2,413 ft
TUBB 7,040 ft-3,501 ft
L.CLEARFORK7,115 ft-3,576 ft
LOWER CLEARFORK (Clear Fork)7,115 ft-3,576 ft
WICHITA (Wichita-Albany)7,516 ft-3,977 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 (2)

IntervalType
5,941–7,439 ftPerforated
5,964–7,439 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"375 ft400 sx
9.625"3,351 ft1,475 sx
5.5"7,581 ft2,510 sx

Permit History (1)

Applications (1)

#239819 A SHELL WESTERN E&P INC.
received 1984-05-10

Records & Logs

3 completion filings on record.

W-2/G-1 1991-09-23
W-2/G-1 1984-09-07
W-2/G-1 1984-09-07
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
8518S
Max Depth
7,800 ft
Drill Type
Vertical
County
GAINES
District
8
Completed
1991-07-21

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