42-137-31308
PRODUCING HorizontalFOUR SQUARE RANCH B
EDWARDS County · District 1 · UPP OPERATING LLC · SNAKEBITE (ELLENBURGER)
Permits
2
Max Depth
7,100 ft
First Permit
1997-02-21
Latest Activity
1997-02-21
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1997-05-29
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: UPP OPERATING LLC ≠ Permit: BURLINGTON RESOURCES OIL&GAS CO.
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
1997-05
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 (2) Elevation 2,288 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| T/PENN LM | 6,615 ft | -4,327 ft |
| T/ELLEN. | 6,730 ft | -4,442 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 (2)
| Interval | Type |
|---|---|
| 6,925–8,247 ft | Open hole |
| 6,925–9,177 ft | Open hole |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,250 ft | 625 sx |
| 7" | 6,925 ft | 570 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
- 0542EH
- Max Depth
- 7,100 ft
- Drill Type
- Horizontal
- County
- EDWARDS
- District
- 1
- Operator
- UPP OPERATING LLC
- Completed
- 1997-05-29
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