42-139-30501
PRODUCING HorizontalORR
ELLIS County · District 9 · UPP OPERATING LLC · NEWARK EAST (BARNETT SHALE)
Permits
3
Max Depth
10,000 ft
First Permit
2007-05-18
Latest Activity
2008-04-09
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2009-09-04
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: UPP OPERATING LLC ≠ Permit: EOG RESOURCES, INC.
Resolved via: production → 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
2008-12
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 (7) Elevation 565 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| STRAWN | 1,903 ft | -1,338 ft |
| ATOKA | 2,483 ft | -1,918 ft |
| MARBLE FALLS | 7,972 ft | -7,407 ft |
| BARNETT SHALE (Barnett) | 8,238 ft | -7,673 ft |
| BARNETT SHALE (Barnett) | 8,377 ft | -7,812 ft |
| BEND CONGL (Bend) | — | — |
| HOOD | — | — |
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 |
|---|---|
| 9,804–12,380 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,954 ft | 867 sx |
| 9.625" | 1,955 ft | 867 sx |
| 5.5" | 12,509 ft | 1,325 sx |
| 5.5" | 12,510 ft | 1,325 sx |
Permit History (3)
Applications (3)
Records & Logs
3 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
- 10,000 ft
- Drill Type
- Horizontal
- County
- ELLIS
- District
- 9
- Operator
- UPP OPERATING LLC
- Completed
- 2009-09-04
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