42-501-10215

Final Completion

YOAKUM WASSON CLEARFORK UNIT

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

Permits

1

Max Depth

5,360 ft

First Permit

1994-07-12

Latest Activity

1994-07-12

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1991-07-06

Shut-In

Plugged

2010-09-15

!

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

Injection / Disposal

H-1 Injection Plugged 2010-10-15 UIC #000081614 permitted 1994-10-14

Permitted Volume

4,500 bbl/d

Max Pressure

2,200 psi

Injection Interval

4,800–5,436 ft

Injected (12mo)

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (1) Elevation 3,552 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN ANDRES 4,520 ft-968 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
5,061–5,187 ftPerforated
7,660–7,918 ftPerforated
?–7,918 ftPerforated

Casing (5)

SizeSet DepthCement
8.625"2,315 ft790 sx
8.625"2,315 ft850 sx
2.375"7,907 ft
5.5"8,000 ft460 sx
5.5"8,000 ft660 sx

Permit History (1)

Applications (1)

#425564 A SHELL WESTERN E&P INC.
received 1994-07-05

Records & Logs

6 completion filings on record.

W-2/G-1 2008-02-11
W-2/G-1 1999-04-27
W-2/G-1 1991-09-06
W-2/G-1 1991-09-06
W-2/G-1 1964-10-23
W-2/G-1 1984-01-12

Completion packets open directly (post-2011 filings include attached logs). Log images 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 YOAKUM County.

Well Details

Well Number
3937W
Max Depth
5,360 ft
Drill Type
Vertical
County
YOAKUM
District
8
Completed
1991-07-06

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
6,245