42-495-33262
TEMP ABANDONEDMCDANIEL 27-9
WINKLER County · District 8 · COG OPERATING LLC · HALEY (LWR. WOLFCAMP-PENN CONS.)
Permits
1
Max Depth
20,000 ft
First Permit
2007-07-31
Latest Activity
2007-07-31
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2008-07-02
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Production operator mismatch
Scheduling: COG OPERATING LLC ≠ Production: CHESAPEAKE OPERATING, INC. (reported 2012-04)
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: CHESAPEAKE OPERATING, 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
2008-07
Last Production
2026-07
Operator History
originally filed by CHESAPEAKE OPERATING, INC. — asset transferred
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (4) Elevation 2,891 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BSPG | 8,957 ft | -6,066 ft |
| WFMP (Wolfcamp) | 11,988 ft | -9,097 ft |
| ATOKA SHALE (Atoka) | 14,242 ft | -11,351 ft |
| MORROW | 15,254 ft | -12,363 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 |
|---|---|
| 13,944–14,762 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 5,075 ft | 1,055 sx |
| 9.625" | 12,395 ft | 1,650 sx |
| 5" | 16,147 ft | 790 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
- 1
- Max Depth
- 20,000 ft
- Drill Type
- Vertical
- County
- WINKLER
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2008-07-02
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
- 4,538