42-251-30682
PRODUCING HorizontalMASSEY
JOHNSON County · District 9 · UPP OPERATING LLC · NEWARK EAST (BARNETT SHALE)
Permits
1
Max Depth
7,000 ft
First Permit
2005-12-12
Latest Activity
2005-12-12
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2006-02-12
Shut-In
—
Plugged
—
P-5 Org Status: Active
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
2006-02
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 (6) Elevation 968 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| ATOKA | 4,073 ft | -3,105 ft |
| STRAWN | 4,570 ft | -3,602 ft |
| BEND CONGL. (Bend) | 5,180 ft | -4,212 ft |
| HOOD | 5,685 ft | -4,717 ft |
| MARBLE FALLS | 5,940 ft | -4,972 ft |
| BARNETT SHALE (Barnett) | 6,901 ft | -5,933 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 (5)
| Interval | Type |
|---|---|
| 6,700–7,228 ft | Perforated |
| 7,285–7,684 ft | Perforated |
| 7,741–8,197 ft | Perforated |
| 8,254–8,710 ft | Perforated |
| 8,810–9,300 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,045 ft | 405 sx |
| 5.5" | 9,502 ft | 890 sx |
Permit History (1)
Applications (1)
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
- 4H
- Max Depth
- 7,000 ft
- Drill Type
- Horizontal
- County
- JOHNSON
- District
- 9
- Operator
- UPP OPERATING LLC
- Completed
- 2006-02-12
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