42-165-32886
Final CompletionWASSON SOUTH CLEARFORK UNIT
GAINES County · District 8 · OCCIDENTAL PERMIAN LTD. · WASSON 72
Permits
1
Max Depth
7,800 ft
First Permit
1984-05-30
Latest Activity
1984-05-30
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1990-03-07
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
8,000 bbl/d
Max Pressure
2,850 psi
Injection Interval
5,700–8,200 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 (17) Elevation 3,538 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BASE RED BEDS/TOP RUSTLER | 2,028 ft | +1,510 ft |
| SALADO | 2,098 ft | +1,440 ft |
| TANSIL | 2,777 ft | +761 ft |
| YATES | 2,857 ft | +681 ft |
| 7 RIVERS (Seven Rivers) | 3,006 ft | +532 ft |
| SEVEN RIVERS | 3,006 ft | +532 ft |
| QUEEN | 3,334 ft | +204 ft |
| GRAYBURG | 4,010 ft | -472 ft |
| SAN ANDRES | 4,266 ft | -728 ft |
| GLORIETA | 5,663 ft | -2,125 ft |
| CLFK UPPER | 5,910 ft | -2,372 ft |
| U. CLEARFORK | 5,910 ft | -2,372 ft |
| UPPER CLEARFORK (Clear Fork) | 5,910 ft | -2,372 ft |
| TUBB | 6,954 ft | -3,416 ft |
| L. CLEARFORK | 7,026 ft | -3,488 ft |
| LOWER CLEARFORK (Clear Fork) | 7,026 ft | -3,488 ft |
| WICHITA (Wichita-Albany) | 7,471 ft | -3,933 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 (3)
| Interval | Type |
|---|---|
| 5,916–7,309 ft | Perforated |
| 6,218–6,743 ft | Perforated |
| 7,027–7,309 ft | Perforated |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 365 ft | 400 sx |
| 9.625" | 3,349 ft | 900 sx |
| 9.625" | 3,349 ft | 900 sx |
| 5.5" | 7,522 ft | 2,130 sx |
| 5.5" | — | 1,650 sx |
Permit History (1)
Applications (1)
Records & Logs
9 completion filings on record.
+3 more filings
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
- 8527S
- Max Depth
- 7,800 ft
- Drill Type
- Vertical
- County
- GAINES
- District
- 8
- Operator
- OCCIDENTAL PERMIAN LTD.
- Completed
- 1990-03-07
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