42-501-36263

INJECTION Directional

YOAKUM WASSON CLEARFORK UNIT

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

Permits

2

Max Depth

8,000 ft

First Permit

2013-09-26

Latest Activity

2013-09-26

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2014-08-25

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000109242 permitted 2014-01-31

Permitted Volume

1,500 bbl/d

Max Pressure

2,500 psi

Injection Interval

5,650–8,290 ft

Injected (12mo)

14,137 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-09-01)

Lease Production

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

Formation Tops (10) Elevation 3,579 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,897 ft+682 ft
RED BED-SANTA ROSA (Santa Rosa)3,118 ft+461 ft
DEVONIAN
DEVONIAN-SILURIAN (Devonian)
LEONARD
MISSISSIPPIAN
PENNSYLVANIAN
STRAWN
WICHITA (Wichita-Albany)
WOLFCAMP

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
6,186–6,847 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"2,161 ft1,200 sx
5.5"6,972 ft300 sx

Permit History (2)

Applications (2)

#770315 A OCCIDENTAL PERMIAN LTD.
received 2014-02-12
#770315 A OCCIDENTAL PERMIAN LTD.
received 2013-09-18

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2014-11-05 log on file

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
4539
Max Depth
8,000 ft
Drill Type
Directional
County
YOAKUM
District
8
Completed
2014-08-25

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
6,203