42-165-32856
Final CompletionWASSON SOUTH CLEARFORK UNIT
GAINES County · District 8 · OCCIDENTAL PERMIAN LTD. · WASSON 72
Permits
1
Max Depth
7,800 ft
First Permit
1984-05-23
Latest Activity
1984-05-23
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1984-10-21
Shut-In
—
Plugged
2019-08-26
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 3,546 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 2,136 ft | +1,410 ft |
| SALADO | 2,142 ft | +1,404 ft |
| TANSIL | 2,826 ft | +720 ft |
| YATES | 2,908 ft | +638 ft |
| SEVEN RIVERS | 3,066 ft | +480 ft |
| QUEEN | 3,399 ft | +147 ft |
| GRAYBURG | 4,077 ft | -531 ft |
| SAN ANDRES | 4,338 ft | -792 ft |
| GLORIETA | 5,744 ft | -2,198 ft |
| U. CLEARFORK | 5,944 ft | -2,398 ft |
| TUBB | 7,117 ft | -3,571 ft |
| L. CLEARFORK | 7,210 ft | -3,664 ft |
| WICHITA (Wichita-Albany) | 7,673 ft | -4,127 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 |
|---|---|
| 5,950–7,431 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 368 ft | 400 sx |
| 9.625" | 3,345 ft | 1,350 sx |
| 5.5" | 7,787 ft | 2,975 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
- 7521S
- Max Depth
- 7,800 ft
- Drill Type
- Vertical
- County
- GAINES
- District
- 8
- Operator
- OCCIDENTAL PERMIAN LTD.
- Completed
- 1984-10-21
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