42-251-31596
Final Completion HorizontalMILDRED
JOHNSON County · District 9 · UPP OPERATING LLC · NEWARK EAST (BARNETT SHALE)
Permits
2
Max Depth
7,800 ft
First Permit
2007-03-23
Latest Activity
2007-03-23
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2008-02-24
Shut-In
—
Plugged
2025-10-31
EWA / Permit operator mismatch
Scheduling: UPP OPERATING LLC ≠ Permit: EOG RESOURCES, INC.
Resolved via: scheduling → UPP 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
2025-10
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 (6) Elevation 814 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| STRAWN | 1,223 ft | -409 ft |
| ATOKA | 4,763 ft | -3,949 ft |
| BEND CONGL (Bend) | 5,311 ft | -4,497 ft |
| HOOD | 6,122 ft | -5,308 ft |
| MARBLE FALLS | 6,363 ft | -5,549 ft |
| BARNETT SHALE (Barnett) | 6,928 ft | -6,114 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 |
|---|---|
| 7,200–9,150 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,249 ft | 345 sx |
| 4.5" | 9,392 ft | 930 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 can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 1H
- Max Depth
- 7,800 ft
- Drill Type
- Horizontal
- County
- JOHNSON
- District
- 9
- Operator
- UPP OPERATING LLC
- Completed
- 2008-02-24
Operator
- Name
- UPP OPER, LLC
- Location
- HOUSTON
- P-5 Status
- Active (filed 2026-03-06)
- Cum Oil (all leases)
- 293,241 bbl
- Cum Gas (all leases)
- 486,804,996 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 33