42-165-30361
Final CompletionDENVER UNIT
GAINES County · District 8 · OCCIDENTAL PERMIAN LTD. · WASSON
Permits
1
Max Depth
5,800 ft
First Permit
2014-08-28
Latest Activity
2014-08-28
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
Shut-In
—
Plugged
—
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
5,225 bbl/d
Max Pressure
2,250 psi
Injection Interval
4,500–5,600 ft
Injected (12mo)
136,058 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 (5) Elevation 3,541 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 2,845 ft | +696 ft |
| YATES | 2,850 ft | +691 ft |
| GRAYBURG | 4,000 ft | -459 ft |
| SAN ANDRES | 4,260 ft | -719 ft |
| SAN ANDRES | 4,330 ft | -789 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 (6)
| Interval | Type |
|---|---|
| 4,876–5,015 ft | Perforated |
| 4,885–5,015 ft | Perforated |
| 4,885–5,070 ft | Perforated |
| 4,885–5,070 ft | Open hole |
| 5,070–5,226 ft | Perforated |
| 5,070–5,226 ft | Open hole |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 412 ft | 300 sx |
| 9.625" | 428 ft | 300 sx |
| 2.375" | 4,821 ft | — |
| 7" | 5,070 ft | 1,700 sx |
Permit History (1)
Applications (1)
Records & Logs
5 completion filings on record.
Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 8520WC
- Max Depth
- 5,800 ft
- Drill Type
- Vertical
- County
- GAINES
- District
- 8
- Operator
- OCCIDENTAL PERMIAN LTD.
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
- 6,203