42-439-35025
PRODUCING HorizontalPERR A UNIT
TARRANT County · District 9 · UPP OPERATING LLC · NEWARK EAST (BARNETT SHALE)
Permits
2
Max Depth
9,000 ft
First Permit
2010-04-19
Latest Activity
2010-04-19
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2011-09-22
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: UPP OPERATING LLC ≠ Permit: CARRIZO OIL & GAS, 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
2010-12
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 (4) Elevation 643 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BASE OF CRETACEOUS (Base Cretaceous (marker)) | 1,800 ft | -1,157 ft |
| BEND CONGLOMERATE (Bend) | 7,857 ft | -7,214 ft |
| TOP OF BARNETT SHALE (Barnett) | 8,196 ft | -7,553 ft |
| BARNETT SHALE (Barnett) | 8,228 ft | -7,585 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 |
|---|---|
| 8,672–15,106 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,940 ft | 630 sx |
| 5.5" | 15,229 ft | 2,474 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
- 4H
- Max Depth
- 9,000 ft
- Drill Type
- Horizontal
- County
- TARRANT
- District
- 9
- Operator
- UPP OPERATING LLC
- Completed
- 2011-09-22
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