42-251-33630
PRODUCING HorizontalLANCASTER
JOHNSON County · District 9 · UPP OPERATING LLC · NEWARK EAST (BARNETT SHALE)
Permits
1
Max Depth
8,999 ft
First Permit
2009-04-29
Latest Activity
2009-04-29
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2010-04-26
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
2009-06
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 987 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| STRAWN | 1,122 ft | -135 ft |
| ATOKA | 3,654 ft | -2,667 ft |
| BEND CONGL (Bend) | 5,491 ft | -4,504 ft |
| BEND CONGL. (Bend) | 5,491 ft | -4,504 ft |
| HOOD | 5,814 ft | -4,827 ft |
| MARBLE FALLS | 5,996 ft | -5,009 ft |
| BARNETT SHALE (Barnett) | 6,389 ft | -5,402 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 |
|---|---|
| 6,858–11,903 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,043 ft | 425 sx |
| 5.5" | 12,071 ft | 1,403 sx |
Permit History (1)
Applications (1)
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
- 18H
- Max Depth
- 8,999 ft
- Drill Type
- Horizontal
- County
- JOHNSON
- District
- 9
- Operator
- UPP OPERATING LLC
- Completed
- 2010-04-26
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