42-501-33126
INJECTIONCWC PRENTICE UNIT
YOAKUM County · District 8 · OCCIDENTAL PERMIAN LTD. · PRENTICE (6700)
Permits
1
Max Depth
6,900 ft
First Permit
1987-01-13
Latest Activity
1987-01-13
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2021-03-09
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
5,955–6,075 ft
Injected (12mo)
214,440 bbl
Permitted Volume
1,000 bbl/d
Max Pressure
2,000 psi
Injection Interval
6,320–6,850 ft
Injected (12mo)
214,440 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 (12) Elevation 3,554 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER ANHYDRITE (Rustler) | 2,439 ft | +1,115 ft |
| T. RUSTLER ANHYDRITE | 2,439 ft | +1,115 ft |
| GRAYBURG | 4,318 ft | -764 ft |
| SAN ANDRES | 4,521 ft | -967 ft |
| GLORIETA | 5,906 ft | -2,352 ft |
| GLORIETA G-1 (Glorieta) | 5,940 ft | -2,386 ft |
| T. GLORIETA G-1 | 5,940 ft | -2,386 ft |
| CLEARFORK (Clear Fork) | 6,300 ft | -2,746 ft |
| CLEARFORK C-1 (Clear Fork) | 6,322 ft | -2,768 ft |
| T. CLEARFORK C-1 | 6,322 ft | -2,768 ft |
| CLEARFORK C-5 (Clear Fork) | 6,595 ft | -3,041 ft |
| T. CLEARFORK C-5 | 6,595 ft | -3,041 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 (5)
| Interval | Type |
|---|---|
| 5,955–6,075 ft | Perforated |
| 5,957–5,988 ft | Perforated |
| 5,957–6,102 ft | Perforated |
| 6,310–6,850 ft | Perforated |
| 6,310–6,850 ft | Open hole |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 460 ft | 375 sx |
| 8.625" | 2,469 ft | 1,050 sx |
| 7" | 6,310 ft | 270 sx |
| 5.5" | 6,848 ft | 2,790 sx |
Permit History (1)
Applications (1)
Records & Logs
6 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
- 11CO
- Max Depth
- 6,900 ft
- Drill Type
- Vertical
- County
- YOAKUM
- District
- 8
- Operator
- OCCIDENTAL PERMIAN LTD.
- Completed
- 2021-03-09
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