42-501-32171
INJECTIONYOAKUM WASSON CLEARFORK UNIT
YOAKUM County · District 8 · OCCIDENTAL PERMIAN LTD. · WASSON 72
Permits
1
Max Depth
8,000 ft
First Permit
1981-12-07
Latest Activity
1981-12-07
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1997-04-25
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: OCCIDENTAL PERMIAN LTD. ≠ Permit: SHELL OIL COMPANY
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
1,000 bbl/d
Max Pressure
2,500 psi
Injection Interval
5,650–8,000 ft
Injected (12mo)
111,957 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 (7) Elevation 3,567 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 2,238 ft | +1,329 ft |
| YATES | 2,998 ft | +569 ft |
| SAN ANDRES | 4,432 ft | -865 ft |
| GLORIETTA (Glorieta) | 5,612 ft | -2,045 ft |
| UPPER CLEARFORK (Clear Fork) | 5,894 ft | -2,327 ft |
| TUBB | 7,076 ft | -3,509 ft |
| LOWER CLEARFORK (Clear Fork) | 7,172 ft | -3,605 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 |
|---|---|
| 5,850–7,486 ft | Perforated |
| 6,351–7,468 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 14" | 70 ft | — |
| 9.625" | 2,220 ft | 950 sx |
| 2.375" | 5,995 ft | — |
| 7" | 6,145 ft | 2,650 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record.
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
- 2711WY
- Max Depth
- 8,000 ft
- Drill Type
- Vertical
- County
- YOAKUM
- District
- 8
- Operator
- OCCIDENTAL PERMIAN LTD.
- Completed
- 1997-04-25
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
- 6,245