42-165-35239
PRODUCING DirectionalWASSON SOUTH CLEARFORK UNIT
GAINES County · District 8 · OCCIDENTAL PERMIAN LTD. · WASSON 72
Permits
2
Max Depth
7,800 ft
First Permit
1997-08-18
Latest Activity
1997-08-18
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1997-12-22
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: OCCIDENTAL PERMIAN LTD. ≠ Permit: ALTURA ENERGY LTD.
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 (7) Elevation 3,540 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 2,044 ft | +1,496 ft |
| YATES | 2,844 ft | +696 ft |
| SAN ANDRES | 4,266 ft | -726 ft |
| GLORIETA | 5,682 ft | -2,142 ft |
| MIDDLECLFK | 6,318 ft | -2,778 ft |
| TUBB | 7,018 ft | -3,478 ft |
| LWR. CLFK | 7,101 ft | -3,561 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 |
|---|---|
| 6,232–7,368 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 415 ft | 400 sx |
| 8.625" | 3,435 ft | 1,300 sx |
| 5.5" | 7,595 ft | 1,825 sx |
Permit History (2)
Applications (2)
Records & Logs
2 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
- 8543S
- Max Depth
- 7,800 ft
- Drill Type
- Directional
- County
- GAINES
- District
- 8
- Operator
- OCCIDENTAL PERMIAN LTD.
- Completed
- 1997-12-22
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