42-189-30384
SHUT INANTON-IRISH CLEARFORK UNIT
HALE County · District 8 · OCCIDENTAL PERMIAN LTD. · ANTON-IRISH
Permits
1
Max Depth
6,400 ft
First Permit
1985-04-11
Latest Activity
1985-04-11
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2018-05-31
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: OCCIDENTAL PERMIAN LTD. ≠ Permit: AMOCO PRODUCTION CO.-LEVELLAND
Resolved via: production → OCCIDENTAL PERMIAN LTD.
Production Summary Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
Cum Oil
— bbl
Cum Gas
— mcf
First Production
1993-01
Last Production
2026-07
Operator History
Chain of Custody
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (4) Elevation 3,411 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER ANHYDRITE (Rustler) | 1,514 ft | +1,897 ft |
| YATES SAND (Yates) | 1,949 ft | +1,462 ft |
| TUBB SAND (Tubb) | 5,323 ft | -1,912 ft |
| LOWER CLEARFORK (Clear Fork) | 5,847 ft | -2,436 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 |
|---|---|
| 5,772–5,878 ft | Open hole |
| 5,772–6,047 ft | Open hole |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 11" | 1,539 ft | 800 sx |
| 9.625" | 1,539 ft | 800 sx |
| 7" | 5,753 ft | 1,400 sx |
| 7" | 5,772 ft | 1,400 sx |
Permit History (1)
Applications (1)
Records & Logs
4 completion filings on record.
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
Well Details
- Well Number
- 521
- Max Depth
- 6,400 ft
- Drill Type
- Vertical
- County
- HALE
- District
- 8
- Operator
- OCCIDENTAL PERMIAN LTD.
- Completed
- 2018-05-31
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
- 6,242