42-501-32721

Final Completion

CLANAHAN N. C. B

YOAKUM County · District 8 · OCCIDENTAL PERMIAN LTD. · PRENTICE (SAN ANDRES)

Permits

Max Depth

8,700 ft

First Permit

1984-09-25

Latest Activity

2004-10-25

Lifespan

20 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2005-01-19

Shut-In

—

Plugged

2007-10-09

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Plugged 2007-12-10 UIC #000053952 permitted 1984-11-05

Permitted Volume

400 bbl/d

Max Pressure

1,800 psi

Injection Interval

8,000–8,600 ft

Injected (12mo)

—

Operator History

Chain of Custody

AMOCO PRODUCTION COMPANY 1993-1997→ ALTURA ENERGY LTD. 1997-2000→ OCCIDENTAL PERMIAN LTD. 2000-2022

Lease Production

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

Formation Tops (8) Elevation 3,571 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
RUSTLER	2,619 ft	+952 ft
YATES	3,302 ft	+269 ft
SAN ANDRES	4,647 ft	-1,076 ft
GLORIETA	5,981 ft	-2,410 ft
UPPER CLFK	6,455 ft	-2,884 ft
TUBB	7,233 ft	-3,662 ft
LOWER CLFK	7,343 ft	-3,772 ft
ABO	7,983 ft	-4,412 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 (4)

Interval	Type
5,225–5,235 ft	Perforated
5,270–5,280 ft	Perforated
5,295–5,305 ft	Perforated
8,188–8,566 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	462 ft	550 sx
8.625"	4,750 ft	1,250 sx
5.5"	8,600 ft	1,755 sx

Permit History (2)

#552682 Recompletion Final Completion

CLANAHAN, N. C. "B" · 8,600 ft

2004-10-25

Spud 2005-01-06

#252646 Drill Final Completion

CLANAHAN, N. C. "B" · 8,700 ft

1984-09-25

Spud 1984-11-08

Applications (2)

#552682 A OCCIDENTAL PERMIAN LTD.

received 2004-10-21

#252646 A AMOCO PRODUCTION COMPANY

received 1984-09-24

Records & Logs

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

W-2/G-1 2005-03-28 log on file

W-2/G-1 2005-04-22

W-2/G-1 1984-12-31

W-2/G-1 1985-01-10

Completion packets + logs ↗ Wellbore filings ↗

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: 20
Max Depth: 8,700 ft
Drill Type: Vertical
County: YOAKUM
District: 8
Operator: OCCIDENTAL PERMIAN LTD.
Completed: 2005-01-19

Operator

Name: OCCIDENTAL PERMIAN LTD
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