42-165-32845
PRODUCINGWASSON 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
ON SCHEDULE
Completion
1988-03-04
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 (17) Elevation 3,536 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 2,050 ft | +1,486 ft |
| SALADO | 2,096 ft | +1,440 ft |
| YATES | 2,569 ft | +967 ft |
| TANSIL | 2,788 ft | +748 ft |
| YATES | 2,869 ft | +667 ft |
| SEVEN RIVERS | 3,025 ft | +511 ft |
| QUEEN | 3,351 ft | +185 ft |
| GRAYBURG | 4,037 ft | -501 ft |
| SAN ANDRES | 4,305 ft | -769 ft |
| GLORIETA | 5,729 ft | -2,193 ft |
| GLORIETTA (Glorieta) | 5,729 ft | -2,193 ft |
| U. CLEARFORK | 5,975 ft | -2,439 ft |
| UPPER CLEARFORK (Clear Fork) | 5,975 ft | -2,439 ft |
| TUBB | 7,022 ft | -3,486 ft |
| L. CLEARFORK | 7,088 ft | -3,552 ft |
| LOWER CLEARFORK (Clear Fork) | 7,088 ft | -3,552 ft |
| WICHITA (Wichita-Albany) | 7,570 ft | -4,034 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 |
|---|---|
| 5,978–7,294 ft | Perforated |
| 5,978–7,543 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 410 ft | 400 sx |
| 9.625" | 3,362 ft | 1,550 sx |
| 5.5" | 7,673 ft | 3,300 sx |
Permit History (1)
Applications (1)
Records & Logs
3 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
- 8519S
- Max Depth
- 7,800 ft
- Drill Type
- Vertical
- County
- GAINES
- District
- 8
- Operator
- OCCIDENTAL PERMIAN LTD.
- Completed
- 1988-03-04
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