42-501-35989
PRODUCING DirectionalYOAKUM WASSON CLEARFORK UNIT
YOAKUM County · District 8 · OCCIDENTAL PERMIAN LTD. · WASSON 72
Permits
1
Max Depth
7,300 ft
First Permit
2012-07-19
Latest Activity
2012-07-19
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2016-10-27
Shut-In
—
Plugged
—
P-5 Org Status: Active
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 3,597 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN ANDRES | 4,292 ft | -695 ft |
| SAN ANDRES | 4,293 ft | -696 ft |
| GLORIETA | 5,618 ft | -2,021 ft |
| UPPER CLEARFORK (Clear Fork) | 5,760 ft | -2,163 ft |
| UPPER CLEARFORK (Clear Fork) | 5,761 ft | -2,164 ft |
| TUBB | 6,790 ft | -3,193 ft |
| TUBB | 6,791 ft | -3,194 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 (3)
| Interval | Type |
|---|---|
| 5,684–5,689 ft | Perforated |
| 5,684–6,667 ft | Perforated |
| 6,145–6,667 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 2,120 ft | 940 sx |
| 5.5" | 6,965 ft | 280 sx |
Permit History (1)
Applications (1)
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 can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 4421
- Max Depth
- 7,300 ft
- Drill Type
- Directional
- County
- YOAKUM
- District
- 8
- Operator
- OCCIDENTAL PERMIAN LTD.
- Completed
- 2016-10-27
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
- 6,203