42-135-35180
Final CompletionJOHNSON J.L. -31-
ECTOR County · District 8 · BASIN OIL & GAS OPERATING LLC · COWDEN SOUTH (CANYON 8790)
Permits
1
Max Depth
9,100 ft
First Permit
1985-11-19
Latest Activity
1985-11-19
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1986-03-03
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: BASIN OIL & GAS OPERATING LLC ≠ Permit: GREAT WESTERN DRLG. CO.
Resolved via: production → BASIN OIL & GAS OPERATING, LLC
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 (6) Elevation 2,912 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| GRAYBURG | 3,875 ft | -963 ft |
| SAN ANDRES | 4,257 ft | -1,345 ft |
| GLORIETA | 5,488 ft | -2,576 ft |
| CLEARFORK (Clear Fork) | 6,420 ft | -3,508 ft |
| CISCO | 8,540 ft | -5,628 ft |
| CANYON | 8,790 ft | -5,878 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 (1)
| Interval | Type |
|---|---|
| 8,800–8,824 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 350 ft | 325 sx |
| 8.625" | 5,026 ft | 3,523 sx |
| 5.5" | 9,102 ft | 1,405 sx |
| 8.625" | — | — |
Permit History (1)
Applications (1)
Records & Logs
4 completion filings on record · 1 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.
No GPS coordinates yet
Well Details
- Well Number
- 23
- Max Depth
- 9,100 ft
- Drill Type
- Vertical
- County
- ECTOR
- District
- 8
- Operator
- BASIN OIL & GAS OPERATING LLC
- Completed
- 1986-03-03
Operator
- Location
- FORT WORTH
- P-5 Status
- X (filed 2026-05-21)
- Cum Oil (all leases)
- 5,341,244 bbl
- Cum Gas (all leases)
- 4,651,280 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 134