42-329-33826
Final Completion HorizontalSHACKELFORD 34
MIDLAND County · District 8 · COG OPERATING LLC · AZALEA (DEVONIAN)
Permits
1
Max Depth
12,000 ft
First Permit
1997-07-24
Latest Activity
1997-07-24
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1998-02-09
Shut-In
—
Plugged
2024-06-04
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: COLLINS & WARE, INC.
Resolved via: scheduling → 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
1998-02
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 (10) Elevation 2,623 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LOWER WOLFCAMP SHALE (Wolfcamp) | 9,704 ft | -7,081 ft |
| LWR. WLFCMP SHALE | 9,704 ft | -7,081 ft |
| TOP PENNSYLVANIAN (Pennsylvanian) | 10,067 ft | -7,444 ft |
| STRAWN | 10,346 ft | -7,723 ft |
| ATOKA | 10,524 ft | -7,901 ft |
| LOWER MISSISSIPPIAN (Mississippian) | 11,167 ft | -8,544 ft |
| LWR. MISS. | 11,167 ft | -8,544 ft |
| WOODFORD | 11,202 ft | -8,579 ft |
| DEV. | 11,296 ft | -8,673 ft |
| DEVONIAN | 11,296 ft | -8,673 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 (2)
| Interval | Type |
|---|---|
| 11,539–16,669 ft | Open hole |
| 12,982–16,000 ft | Open hole |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 430 ft | 460 sx |
| 9.625" | 8,787 ft | 3,290 sx |
Permit History (1)
Applications (1)
Records & Logs
3 completion filings 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
- 1
- Max Depth
- 12,000 ft
- Drill Type
- Horizontal
- County
- MIDLAND
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 1998-02-09
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