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ANTON-IRISH CLEARFORK UNIT

HALE County · District 8 · OCCIDENTAL PERMIAN LTD. · ANTON-IRISH

Permits

Max Depth

8,000 ft

First Permit

1985-05-20

Latest Activity

1996-06-06

Lifespan

11 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

1985-08-20

Shut-In

—

Plugged

—

P-5 Org Status: Active

EWA / Permit operator mismatch

Scheduling: OCCIDENTAL PERMIAN LTD. ≠ Permit: AMOCO PRODUCTION COMPANY

Resolved via: production → OCCIDENTAL PERMIAN LTD.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000085131 permitted 1996-08-22

Permitted Volume

15,000 bbl/d

Max Pressure

2,600 psi

Injection Interval

5,200–8,000 ft

Injected (12mo)

692,114 bbl

Monthly injected volume (bbl, from H-10 filings through 2026-03-01)

Operator History

Chain of Custody

AMOCO PRODUCTION COMPANY 1993-1997→ ALTURA ENERGY LTD. 1997-2000→ OCCIDENTAL PERMIAN LTD. 2000-2026

Lease Production

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

Oil

production & DCA →

Formation Tops (3) Elevation 3,402 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
RUSTLER ANHYDRITE (Rustler)	1,520 ft	+1,882 ft
TUBB	5,356 ft	-1,954 ft
LOWER CLEARFORK (Clear Fork)	5,481 ft	-2,079 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)

Interval	Type
5,740–6,163 ft	Perforated
5,740–7,646 ft	Open hole

Casing (2)

Size	Set Depth	Cement
9.625"	1,540 ft	800 sx
7"	5,740 ft	1,100 sx

Permit History (2)

#448839 Recompletion Final Completion

ANTON-IRISH CLEARFORK UNIT · 8,000 ft

1996-06-06

Spud 1996-10-14

#275425 Drill Final Completion

ANTON IRISH CLEARFORK UNIT · 6,400 ft

1985-05-20

Spud 1985-07-29

Applications (2)

#448839 A AMOCO PRODUCTION COMPANY

received 1996-06-03

#275425 A AMOCO PRODUCTION CO.-LEVELLAND

received 1985-04-11

Records & Logs

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

W-2/G-1 1997-03-10 log on file

W-2/G-1 1985-09-19

W-2/G-1 1985-09-25

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 HALE County.

Well Details

Well Number: 508
Max Depth: 8,000 ft
Drill Type: Vertical
County: HALE
District: 8
Operator: OCCIDENTAL PERMIAN LTD.
Completed: 1985-08-20

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: 6,242