42-137-31203
PRODUCING HorizontalFOUR SQUARE RANCH
EDWARDS County · District 1 · UPP OPERATING LLC · SNAKEBITE (ELLENBURGER)
Permits
2
Max Depth
9,500 ft
First Permit
1995-05-05
Latest Activity
1995-05-05
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1995-09-09
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: UPP OPERATING LLC ≠ Permit: MERIDIAN OIL 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
1995-09
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 (5) Elevation 2,252 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| B/CREATCEOUS | 1,105 ft | +1,147 ft |
| T/CANYON | 2,272 ft | -20 ft |
| T/HOLMAN | 4,398 ft | -2,146 ft |
| T/PENN LIME | 6,802 ft | -4,550 ft |
| T/ELLENBURGER | 6,996 ft | -4,744 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 |
|---|---|
| 7,705–9,859 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,233 ft | 480 sx |
| 5.5" | 7,705 ft | 1,050 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
- 0061EH
- Max Depth
- 9,500 ft
- Drill Type
- Horizontal
- County
- EDWARDS
- District
- 1
- Operator
- UPP OPERATING LLC
- Completed
- 1995-09-09
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