42-135-04674
SOUTH COWDEN ELLENBURGER UNIT
ECTOR County · District 8 · OXY USA INC. · COWDEN SOUTH (ELLENBURGER)
Permits
3
Max Depth
11,800 ft
First Permit
1995-10-24
Latest Activity
2017-07-11
Lifespan
22 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1955-03-15
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: OXY USA INC. ≠ Production: OXY USA WTP LP (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: OXY USA INC. ≠ Permit: OXY USA WTP LP
Resolved via: production → OXY USA WTP LP
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
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (6) Elevation 3,060 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| GRAYBURG | 3,914 ft | -854 ft |
| CANYON | 8,250 ft | -5,190 ft |
| WOLFCAMP | 8,300 ft | -5,240 ft |
| DEVONIAN | 10,700 ft | -7,640 ft |
| DEVONIAN | 10,900 ft | -7,840 ft |
| FUSSELLMAN | 12,000 ft | -8,940 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 ↗
Offset Well Tops (nearest 8 wells with tops)
What nearby completed wells reported.
Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).
Perforations (4)
| Interval | Type |
|---|---|
| 8,280–8,618 ft | Perforated |
| 10,736–10,818 ft | Perforated |
| 11,599–11,658 ft | Perforated |
| ?–12,815 ft | Perforated |
Casing (7)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 431 ft | 750 sx |
| 13.375" | 431 ft | 750 sx |
| 8.625" | 4,323 ft | 2,600 sx |
| 5.5" | 12,815 ft | 300 sx |
| 5.5" | 12,815 ft | 500 sx |
| 2" | 12,983 ft | — |
| 5.5" | — | 300 sx |
Permit History (3)
Applications (3)
Records & Logs
5 completion filings on record · 2 with log images at RRC.
Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.
Well Details
- Well Number
- 2
- Max Depth
- 11,800 ft
- Drill Type
- Vertical
- County
- ECTOR
- District
- 8
- Operator
- OXY USA INC.
- Completed
- 1955-03-15
Operator
- Name
- OXY USA INC
- Location
- HOUSTON
- P-5 Status
- Active (filed 2026-01-26)
- Cum Oil (all leases)
- 277,250,617 bbl
- Cum Gas (all leases)
- 814,544,078 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 3,279