42-165-33058
Final CompletionWASSON SOUTH CLEARFORK UNIT
GAINES County · District 8 · OCCIDENTAL PERMIAN LTD. · WASSON 72
Permits
1
Max Depth
7,800 ft
First Permit
1984-11-30
Latest Activity
1984-11-30
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1985-08-21
Shut-In
—
Plugged
2011-02-11
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 (12) Elevation 3,533 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BASE RED BEDS/TOP RUSTLER | 2,118 ft | +1,415 ft |
| SALADO | 2,148 ft | +1,385 ft |
| TANSIL | 2,867 ft | +666 ft |
| YATES | 2,948 ft | +585 ft |
| SEVEN RIVERS | 3,117 ft | +416 ft |
| QUEEN | 3,455 ft | +78 ft |
| GRAYBURG | 4,160 ft | -627 ft |
| SAN ANDRES | 4,484 ft | -951 ft |
| GLORIETTA (Glorieta) | 6,020 ft | -2,487 ft |
| U. CLEARFORK | 6,281 ft | -2,748 ft |
| TUBB | 7,378 ft | -3,845 ft |
| L. CLEARFORK | 7,488 ft | -3,955 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 (1)
| Interval | Type |
|---|---|
| 6,283–7,814 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 380 ft | 400 sx |
| 9.625" | 3,365 ft | 1,350 sx |
| 5.5" | 7,994 ft | 2,750 sx |
Permit History (1)
Applications (1)
Records & Logs
2 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
- 9510S
- Max Depth
- 7,800 ft
- Drill Type
- Vertical
- County
- GAINES
- District
- 8
- Operator
- OCCIDENTAL PERMIAN LTD.
- Completed
- 1985-08-21
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