42-501-35235

INJECTION Directional

WASSON NORTH CLEARFORK UNIT

YOAKUM County · District 8 · OCCIDENTAL PERMIAN LTD. · WASSON NE. (CLEAR FORK)

Permits

2

Max Depth

8,900 ft

First Permit

2005-07-25

Latest Activity

2005-07-25

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-04-09

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 #000095720 permitted 2005-10-25

Permitted Volume

2,000 bbl/d

Max Pressure

2,500 psi

Injection Interval

6,400–8,600 ft

Injected (12mo)

40,110 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 (11) Elevation 3,539 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RUSTLER 2,405 ft+1,134 ft
YATES 3,207 ft+332 ft
SEVEN RIVERS 3,463 ft+76 ft
QUEEN 4,000 ft-461 ft
GRAYBURG 4,398 ft-859 ft
SAN ANDRES 4,697 ft-1,158 ft
GLORIETA 6,092 ft-2,553 ft
UPPER CLEARFORK (Clear Fork)6,301 ft-2,762 ft
UPPER CLEARFORK (Clear Fork)6,301 ft-2,762 ft
TUBB 7,712 ft-4,173 ft
LOWER CLEARFORK (Clear Fork)7,716 ft-4,177 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
7,832–8,292 ftPerforated

Casing (3)

SizeSet DepthCement
16"40 ft130 sx
8.625"2,445 ft1,150 sx
5.5"8,731 ft2,450 sx

Permit History (2)

Applications (2)

#603854 A OCCIDENTAL PERMIAN LTD.
received 2005-09-12
#603854 A OCCIDENTAL PERMIAN LTD.
received 2005-07-22

Records & Logs

4 completion filings on record · 1 with log images at RRC.

W-2/G-1 2024-05-06
W-2/G-1 2023-10-26
W-2/G-1 2005-12-22 log on file
W-2/G-1 2006-02-03

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
81R
Max Depth
8,900 ft
Drill Type
Directional
County
YOAKUM
District
8
Completed
2024-04-09

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