42-003-37169
Final CompletionDEEP ROCK
ANDREWS County · District 8 · COG OPERATING LLC · FUHRMAN-MASCHO (YATES)
Permits
3
Max Depth
12,500 ft
First Permit
1992-11-24
Latest Activity
2002-08-30
Lifespan
10 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2002-10-16
Shut-In
—
Plugged
2020-04-06
EWA / Production operator mismatch
Scheduling: COG OPERATING LLC ≠ Production: CHESAPEAKE OPERATING, INC. (reported 2005-11)
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: PERMIAN RESOURCES, 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
1993-10
Last Production
2020-04
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 3,194 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 2,804 ft | +390 ft |
| GRAYBURG | 4,046 ft | -852 ft |
| WOLFCAMP | 8,519 ft | -5,325 ft |
| PENN (Pennsylvanian) | 8,741 ft | -5,547 ft |
| DEVONIAN | 10,090 ft | -6,896 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 |
|---|---|
| 2,806–2,890 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,635 ft | 1,500 sx |
| 8.625" | 4,800 ft | 1,800 sx |
| 5.5" | 6,200 ft | 950 sx |
Permit History (3)
Applications (3)
Records & Logs
4 completion filings on record · 2 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
- 12,500 ft
- Drill Type
- Vertical
- County
- ANDREWS
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2002-10-16
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