42-371-39143
Final Completion HorizontalMONARCH STATE
PECOS County · District 8 · COG OPERATING LLC · HOEFS T-K (WOLFCAMP)
Permits
1
Max Depth
12,500 ft
First Permit
2013-12-31
Latest Activity
2013-12-31
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2014-04-07
Shut-In
—
Plugged
2020-03-31
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 2,989 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| TOBORG | 100 ft | +2,889 ft |
| SOMA | 700 ft | +2,289 ft |
| YATES | 700 ft | +2,289 ft |
| QUEEN | 1,100 ft | +1,889 ft |
| RUSTLER | 1,300 ft | +1,689 ft |
| SEVEN RIVERS | 1,400 ft | +1,589 ft |
| GRAYBURG | 1,600 ft | +1,389 ft |
| O'BRIEN | 2,500 ft | +489 ft |
| GLORIETA | 2,900 ft | +89 ft |
| TUBB | 3,200 ft | -211 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 |
|---|---|
| 10,228–14,050 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,832 ft | 1,475 sx |
| 9.625" | 9,401 ft | 945 sx |
| 5.5" | 14,116 ft | 1,535 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
- 3803H
- Max Depth
- 12,500 ft
- Drill Type
- Horizontal
- County
- PECOS
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2014-04-07
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