42-501-33133
INJECTIONCWC PRENTICE UNIT
YOAKUM County · District 8 · OCCIDENTAL PERMIAN LTD. · PRENTICE (6700)
Permits
1
Max Depth
6,900 ft
First Permit
1987-01-12
Latest Activity
1987-01-12
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1990-11-18
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: OCCIDENTAL PERMIAN LTD. ≠ Permit: AMOCO PRODUCTION 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
2,000 bbl/d
Max Pressure
2,000 psi
Injection Interval
5,900–6,100 ft
Injected (12mo)
267,290 bbl
Permitted Volume
2,000 bbl/d
Max Pressure
2,000 psi
Injection Interval
6,300–6,900 ft
Injected (12mo)
267,290 bbl
Monthly injected volume (bbl, from H-10 filings through 2025-11-01)
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 (4) Elevation 3,553 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER ANHYDRITE (Rustler) | 2,453 ft | +1,100 ft |
| GLORIETA G-1 (Glorieta) | 5,909 ft | -2,356 ft |
| CLEARFORK C-1 (Clear Fork) | 6,317 ft | -2,764 ft |
| CLEARFORK C-5 (Clear Fork) | 6,582 ft | -3,029 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 |
|---|---|
| 5,911–6,029 ft | Perforated |
| 5,911–6,040 ft | Perforated |
| 6,318–6,850 ft | Open hole |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 500 ft | 375 sx |
| 9.625" | 500 ft | — |
| 7" | 6,307 ft | 1,270 sx |
| 7" | 6,307 ft | — |
Permit History (1)
Applications (1)
Records & Logs
3 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
- 9CO
- Max Depth
- 6,900 ft
- Drill Type
- Vertical
- County
- YOAKUM
- District
- 8
- Operator
- OCCIDENTAL PERMIAN LTD.
- Completed
- 1990-11-18
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
- 6,211