Permits
1
Max Depth
5,160 ft
First Permit
1977-06-24
Latest Activity
1977-06-24
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1981-07-18
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: OCCIDENTAL PERMIAN LTD. ≠ Permit: SHELL OIL COMPANY
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
Injection / Disposal
Permitted Volume
5,000 bbl/d
Max Pressure
2,250 psi
Injection Interval
4,500–5,495 ft
Injected (12mo)
172,092 bbl
Monthly injected volume (bbl, from H-10 filings through 2025-09-01)
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 3,599 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 2,090 ft | +1,509 ft |
| QUEEN | 3,683 ft | -84 ft |
| SAN ANDRES | 4,354 ft | -755 ft |
| SAN ANDRES | 4,425 ft | -826 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 |
|---|---|
| 4,865–5,116 ft | Open hole |
| 4,949–5,116 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 397 ft | — |
| 4" | 4,865 ft | 400 sx |
| 2.875" | 5,106 ft | — |
| 7" | 5,160 ft | — |
Permit History (1)
Applications (1)
Records & Logs
5 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
- 4227
- Max Depth
- 5,160 ft
- Drill Type
- Vertical
- County
- YOAKUM
- District
- 8
- Operator
- OCCIDENTAL PERMIAN LTD.
- Completed
- 1981-07-18
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
- 6,245