42-501-32594
Final CompletionDENVER UNIT
YOAKUM County · District 8 · OCCIDENTAL PERMIAN LTD. · WASSON
Permits
1
Max Depth
5,200 ft
First Permit
1984-05-01
Latest Activity
1984-05-01
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1990-06-05
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: OCCIDENTAL PERMIAN LTD. ≠ Permit: SHELL WESTERN E&P INC.
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
4,500 bbl/d
Max Pressure
2,200 psi
Injection Interval
4,486–5,345 ft
Injected (12mo)
—
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 (3) Elevation 3,597 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RED BEDS | 270 ft | +3,327 ft |
| RED BEDS | 370 ft | +3,227 ft |
| SAN ANDRES | 4,410 ft | -813 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 |
|---|---|
| 4,907–5,048 ft | Perforated |
| 4,907–5,091 ft | Perforated |
| 4,947–5,048 ft | Perforated |
| 5,054–5,091 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 395 ft | 250 sx |
| 7" | 5,263 ft | 2,150 sx |
Permit History (1)
Applications (1)
Records & Logs
6 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
- 4237
- Max Depth
- 5,200 ft
- Drill Type
- Vertical
- County
- YOAKUM
- District
- 8
- Operator
- OCCIDENTAL PERMIAN LTD.
- Completed
- 1990-06-05
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