42-165-34540
PRODUCINGWASSON SOUTH CLEARFORK UNIT
GAINES County · District 8 · OCCIDENTAL PERMIAN LTD. · WASSON 72
Permits
1
Max Depth
7,900 ft
First Permit
1992-12-15
Latest Activity
1992-12-15
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1993-02-19
Shut-In
—
Plugged
—
P-5 Org Status: Active
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
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 (6) Elevation 3,540 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 2,866 ft | +674 ft |
| SAN ANDRES | 4,287 ft | -747 ft |
| GLORIETA | 5,701 ft | -2,161 ft |
| UPPER CLEARFORK (Clear Fork) | 5,948 ft | -2,408 ft |
| TUBB | 7,023 ft | -3,483 ft |
| LOWER CLEARFORK (Clear Fork) | 7,102 ft | -3,562 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 |
|---|---|
| 6,398–6,702 ft | Perforated |
| 7,107–7,397 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 20" | 53 ft | — |
| 13.375" | 395 ft | 400 sx |
| 8.625" | 3,430 ft | 1,450 sx |
| 5.5" | 7,575 ft | 1,425 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record · 1 with log images at RRC.
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
- 8535S
- Max Depth
- 7,900 ft
- Drill Type
- Vertical
- County
- GAINES
- District
- 8
- Operator
- OCCIDENTAL PERMIAN LTD.
- Completed
- 1993-02-19
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
- 6,246