42-501-35692
INJECTION DirectionalYOAKUM WASSON CLEARFORK UNIT
YOAKUM County · District 8 · OCCIDENTAL PERMIAN LTD. · WASSON 72
Permits
1
Max Depth
7,300 ft
First Permit
2010-04-12
Latest Activity
2010-04-12
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2016-10-22
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
Injection / Disposal
Permitted Volume
1,500 bbl/d
Max Pressure
2,500 psi
Injection Interval
5,500–7,700 ft
Injected (12mo)
137,102 bbl
Monthly injected volume (bbl, from H-10 filings through 2025-09-01)
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 3,575 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 2,140 ft | +1,435 ft |
| TANSILL | 2,750 ft | +825 ft |
| YATES | 2,915 ft | +660 ft |
| YATES | 2,922 ft | +653 ft |
| SEVEN RIVERS | 3,134 ft | +441 ft |
| QUEEN | 3,658 ft | -83 ft |
| GRAYBURG | 4,039 ft | -464 ft |
| GRAYBURG | 4,062 ft | -487 ft |
| SAN ANDRES | 4,322 ft | -747 ft |
| SAN ANDRES | 4,326 ft | -751 ft |
| GLORIETA | 5,670 ft | -2,095 ft |
| CLEARFORK, UPPER (Clear Fork) | 5,833 ft | -2,258 ft |
| TUBB | 6,907 ft | -3,332 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 |
|---|---|
| 5,734–5,766 ft | Perforated |
| 5,734–6,673 ft | Perforated |
| 6,242–6,673 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 2,140 ft | 860 sx |
| 5.5" | 7,076 ft | 1,920 sx |
| 5.5" | — | 1,550 sx |
Permit History (1)
Applications (1)
Records & Logs
3 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
- 4504R
- Max Depth
- 7,300 ft
- Drill Type
- Directional
- County
- YOAKUM
- District
- 8
- Operator
- OCCIDENTAL PERMIAN LTD.
- Completed
- 2016-10-22
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
- 6,203