42-461-35887
Final CompletionKATHRYN
UPTON County · District 7 · ST. MARY LAND & EXPLORATION CO. · JAR (PENNSYLVANIAN)
Permits
2
Max Depth
12,000 ft
First Permit
2008-07-10
Latest Activity
2008-08-20
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2009-03-06
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: ST. MARY LAND & EXPLORATION CO. ≠ Production: SM ENERGY COMPANY (reported 2026-04)
Resolved via: production → SM ENERGY COMPANY
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
2005-02
Last Production
2026-07
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 2,884 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN ANDRES | 4,912 ft | -2,028 ft |
| CLEARFORK (Clear Fork) | 7,066 ft | -4,182 ft |
| SPRABERRY | 7,748 ft | -4,864 ft |
| WOLFCAMP | 9,103 ft | -6,219 ft |
| PENN (Pennsylvanian) | 11,140 ft | -8,256 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 (12)
| Interval | Type |
|---|---|
| 7,840–7,850 ft | Perforated |
| 7,960–7,970 ft | Perforated |
| 8,135–8,145 ft | Perforated |
| 8,280–8,290 ft | Perforated |
| 9,320–9,399 ft | Perforated |
| 9,450–9,470 ft | Perforated |
| 9,740–9,760 ft | Perforated |
| 9,910–9,930 ft | Perforated |
| 10,100–10,120 ft | Perforated |
| 10,300–10,320 ft | Perforated |
| 11,140–11,150 ft | Perforated |
| 11,250–11,260 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 401 ft | 220 sx |
| 5.5" | 11,435 ft | 1,395 sx |
Permit History (2)
Applications (2)
Records & Logs
5 completion filings on record · 3 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
- 4810
- Max Depth
- 12,000 ft
- Drill Type
- Vertical
- County
- UPTON
- District
- 7
- Operator
- ST. MARY LAND & EXPLORATION CO.
- Completed
- 2009-03-06
Operator
- Location
- DENVER
- P-5 Status
- Inactive (filed 2009-10-02)
- Cum Oil (all leases)
- 5,388,574 bbl
- Cum Gas (all leases)
- 107,209,594 mcf
- Total Permits
- 553