42-135-38232
PRODUCINGEAST COWDEN (GRAYBURG) UNIT
ECTOR County · District 8 · BASIN OIL & GAS OPERATING LLC · COWDEN NORTH
Permits
1
Max Depth
4,800 ft
First Permit
2002-06-25
Latest Activity
2002-06-25
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2002-09-16
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: BASIN OIL & GAS OPERATING LLC ≠ Permit: ENCORE OPERATING, L.P.
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 (2) Elevation 3,037 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BASAL QUEEN (Queen) | 4,158 ft | -1,121 ft |
| GRAYBURG | 4,229 ft | -1,192 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 |
|---|---|
| 4,277–4,357 ft | Perforated |
| 4,414–4,451 ft | Perforated |
| 4,488–4,500 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,616 ft | 715 sx |
| 5.5" | 4,630 ft | 820 sx |
Permit History (1)
Applications (1)
Records & Logs
2 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
- 85
- Max Depth
- 4,800 ft
- Drill Type
- Vertical
- County
- ECTOR
- District
- 8
- Operator
- BASIN OIL & GAS OPERATING LLC
- Completed
- 2002-09-16
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