42-165-33059
SHUT INWASSON 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
ON SCHEDULE
Completion
2019-11-01
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 (13) Elevation 3,549 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 2,121 ft | +1,428 ft |
| SALADO | 2,147 ft | +1,402 ft |
| TANSIL | 2,872 ft | +677 ft |
| YATES | 2,953 ft | +596 ft |
| SEVEN RIVERS | 3,119 ft | +430 ft |
| QUEEN | 3,454 ft | +95 ft |
| GRAYBURG | 4,152 ft | -603 ft |
| SAN ANDRES | 4,473 ft | -924 ft |
| GLORIETA | 5,996 ft | -2,447 ft |
| CLEARFORK (Clear Fork) | 6,259 ft | -2,710 ft |
| U. CLEARFORK | 6,259 ft | -2,710 ft |
| TUBB | 7,402 ft | -3,853 ft |
| L. CLEARFORK | 7,492 ft | -3,943 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 |
|---|---|
| 6,759–7,732 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 392 ft | 400 sx |
| 9.625" | 3,294 ft | 1,450 sx |
| 5.5" | 7,871 ft | 550 sx |
| 5.5" | — | 1,950 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
- 9511S
- Max Depth
- 7,800 ft
- Drill Type
- Vertical
- County
- GAINES
- District
- 8
- Operator
- OCCIDENTAL PERMIAN LTD.
- Completed
- 2019-11-01
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