42-165-34890
PRODUCINGWASSON SOUTH CLEARFORK UNIT
GAINES County · District 8 · OCCIDENTAL PERMIAN LTD. · WASSON 72
Permits
1
Max Depth
7,650 ft
First Permit
1995-07-13
Latest Activity
1995-07-13
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1995-09-26
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
Injection / Disposal
Permitted Volume
4,000 bbl/d
Max Pressure
2,200 psi
Injection Interval
5,700–8,200 ft
Injected (12mo)
—
Permitted Volume
4,000 bbl/d
Max Pressure
2,200 psi
Injection Interval
5,700–8,200 ft
Injected (12mo)
—
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 3,534 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 2,020 ft | +1,514 ft |
| YATES | 2,842 ft | +692 ft |
| SAN ANDRES | 4,236 ft | -702 ft |
| UPPER CLEARFORK (Clear Fork) | 5,872 ft | -2,338 ft |
| MIDDLE CLEARFORK (Clear Fork) | 6,311 ft | -2,777 ft |
| LOWER CLEARFORK (Clear Fork) | 6,987 ft | -3,453 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 |
|---|---|
| 6,331–6,756 ft | Perforated |
| 6,990–7,272 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 20" | 40 ft | — |
| 13.375" | 404 ft | 400 sx |
| 8.625" | 3,408 ft | 1,350 sx |
| 5.5" | 7,649 ft | 2,370 sx |
Permit History (1)
Applications (1)
Records & Logs
4 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
- 8539S
- Max Depth
- 7,650 ft
- Drill Type
- Vertical
- County
- GAINES
- District
- 8
- Operator
- OCCIDENTAL PERMIAN LTD.
- Completed
- 1995-09-26
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
- 6,210