42-495-03499
Final CompletionE.W. COWDEN UNIT
WINKLER County · District 8 · UNION OIL COMPANY OF CALIFORNIA · EMPEROR (PENNSYLVANIAN)
Permits
4
Max Depth
8,500 ft
First Permit
1992-07-03
Latest Activity
1998-11-17
Lifespan
6 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1992-07-06
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: UNION OIL COMPANY OF CALIFORNIA ≠ Production: PERMEX PETROLEUM CORPORATION (reported 2025-06)
Resolved via: scheduling → UNION OIL COMPANY OF CALIFORNIA
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
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 (5) Elevation 2,811 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| WICHITA ALBANY (Wichita-Albany) | 6,920 ft | -4,109 ft |
| WOLFCAMP | 7,120 ft | -4,309 ft |
| SILURIAN (Silurian (undifferentiated)) | 7,580 ft | -4,769 ft |
| DEVONIAN | 8,650 ft | -5,839 ft |
| ELLENBURGER | 10,260 ft | -7,449 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 (4)
| Interval | Type |
|---|---|
| 6,971–7,076 ft | Perforated |
| 7,210–7,238 ft | Perforated |
| 7,210–7,435 ft | Perforated |
| 7,380–7,435 ft | Perforated |
Casing (10)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 753 ft | 760 sx |
| 13.375" | 755 ft | 760 sx |
| 13.375" | 755 ft | 760 sx |
| 5" | 2,033 ft | 226 sx |
| 9.625" | 4,011 ft | 675 sx |
| 9.625" | 4,011 ft | 675 sx |
| 7" | 9,603 ft | 1,100 sx |
| 7" | 9,603 ft | — |
| 7" | 9,605 ft | 1,100 sx |
| 2" | 11,842 ft | — |
Permit History (4)
E. W. COWDEN UNIT · 7,500 ft
1998-11-17
Spud 1998-11-16
E. W. COWDEN UNIT · 7,210 ft
1996-08-27
Spud 1994-07-13
E.W. COWDEN UNIT · 8,500 ft
1992-07-03
Spud 1992-06-26
E.W. COWDEN UNIT · 7,400 ft
1992-07-03
Applications (4)
Records & Logs
8 completion filings on record · 2 with log images at RRC.
+2 more filings
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.
No GPS coordinates yet
Well Details
- Well Number
- 1
- Max Depth
- 8,500 ft
- Drill Type
- Vertical
- County
- WINKLER
- District
- 8
- Operator
- UNION OIL COMPANY OF CALIFORNIA
- Completed
- 1992-07-06
Operator
- Location
- MIDLAND
- P-5 Status
- Inactive (filed 2020-11-18)
- Cum Oil (all leases)
- 78,952,713 bbl
- Cum Gas (all leases)
- 197,557,199 mcf
- Total Permits
- 2,336