42-329-36856
YSPANISH TRAIL
MIDLAND County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
12,000 ft
First Permit
2010-10-18
Latest Activity
2010-10-18
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2011-03-30
Shut-In
—
Plugged
2020-06-05
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: E.G.L. RESOURCES, INC.
Resolved via: production → COG 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
2008-06
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 2,872 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| UPPER SPRABERRY (Spraberry) | 8,134 ft | -5,262 ft |
| LOWER SPRABERRY (Spraberry) | 8,527 ft | -5,655 ft |
| DEAN | 9,210 ft | -6,338 ft |
| UPPER WOLFCAMP (Wolfcamp) | 9,630 ft | -6,758 ft |
| LOWER WOLFCAMP (Wolfcamp) | 10,060 ft | -7,188 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 |
|---|---|
| 8,134–8,323 ft | Perforated |
| 8,527–8,990 ft | Perforated |
| 9,210–9,390 ft | Perforated |
| 9,630–9,920 ft | Perforated |
| 10,060–10,450 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 316 ft | 300 sx |
| 5.5" | 10,749 ft | 1,795 sx |
Permit History (1)
Applications (1)
Records & Logs
1 completion filing on record · 1 with log images at RRC.
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
- 303
- Max Depth
- 12,000 ft
- Drill Type
- Vertical
- County
- MIDLAND
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2011-03-30
Operator
- Name
- COG OPER LLC
- Location
- MIDLAND
- P-5 Status
- X (filed 2026-06-02)
- Cum Oil (all leases)
- 645,285,792 bbl
- Cum Gas (all leases)
- 305,183,488 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 4,550