42-371-39474
Final Completion HorizontalMONARCH STATE
PECOS County · District 8 · COG OPERATING LLC · HOEFS T-K (WOLFCAMP)
Permits
1
Max Depth
10,400 ft
First Permit
2016-12-30
Latest Activity
2016-12-30
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2017-04-16
Shut-In
—
Plugged
2020-04-16
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
2014-04
Last Production
2020-10
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (10) Elevation 3,003 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 966 ft | +2,037 ft |
| GLORIETA | — | — |
| GRAYBURG | — | — |
| O'BRIEN | — | — |
| QUEEN | — | — |
| SEVEN RIVERS | — | — |
| SOMA | — | — |
| TOBORG | — | — |
| TUBB | — | — |
| YATES | — | — |
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 |
|---|---|
| 10,395–14,868 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,830 ft | 1,610 sx |
| 9.625" | 9,409 ft | 1,010 sx |
| 5.5" | 14,955 ft | 2,740 sx |
Permit History (1)
Applications (1)
Records & Logs
1 completion filing 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
- 3405H
- Max Depth
- 10,400 ft
- Drill Type
- Horizontal
- County
- PECOS
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2017-04-16
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
- 4,538