42-243-30101
Final CompletionLEONCITA STATE 11-10
JEFF DAVIS County · District 8 · COG OPERATING LLC · WILDCAT
Permits
1
Max Depth
15,000 ft
First Permit
2007-12-12
Latest Activity
2007-12-12
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2008-07-12
Shut-In
—
Plugged
2014-07-23
EWA / Production operator mismatch
Scheduling: COG OPERATING LLC ≠ Production: CHESAPEAKE OPERATING, INC. (reported 2008-11)
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
2014-07
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 (5) Elevation 3,704 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| WFCP | 8,301 ft | -4,597 ft |
| ATOKA | 9,822 ft | -6,118 ft |
| MRROW HS | 10,000 ft | -6,296 ft |
| WDFD | 10,759 ft | -7,055 ft |
| DEV | 11,117 ft | -7,413 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 |
|---|---|
| 9,992–10,862 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,348 ft | 1,635 sx |
| 9.625" | 6,755 ft | 887 sx |
| 5.5" | 11,520 ft | 1,230 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 can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 1
- Max Depth
- 15,000 ft
- Drill Type
- Vertical
- County
- JEFF DAVIS
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2008-07-12
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
- 4,554