42-389-32452
Final Completion HorizontalBLOCK 58 STATE 31-3
REEVES County · District 8 · COG OPERATING LLC · TOYAH NW (SHALE)
Permits
2
Max Depth
13,000 ft
First Permit
2007-01-24
Latest Activity
2007-01-24
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2008-03-08
Shut-In
—
Plugged
2018-05-01
EWA / Production operator mismatch
Scheduling: COG OPERATING LLC ≠ Production: SHELL WESTERN E&P (reported 2013-06)
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: PETRO-HUNT, L.L.C.
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
2008-02
Last Production
2018-04
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 3,025 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| WOLFCAMP | 8,794 ft | -5,769 ft |
| ATOKA | 11,632 ft | -8,607 ft |
| BARNETT | 11,767 ft | -8,742 ft |
| MISS LIME (Mississippian) | 12,426 ft | -9,401 ft |
| WOODFORD | 12,572 ft | -9,547 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 |
|---|---|
| 12,730–16,323 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,559 ft | 1,435 sx |
| 9.625" | 8,520 ft | 760 sx |
| 7.625" | 12,725 ft | 420 sx |
| 9.625" | — | 1,015 sx |
Permit History (2)
Applications (2)
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
- 1H
- Max Depth
- 13,000 ft
- Drill Type
- Horizontal
- County
- REEVES
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2008-03-08
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