42-413-32671
Final CompletionUNIVERSITY 54-8
SCHLEICHER County · District 7 · ZARVONA ENERGY LLC · HOLT RANCH (CONSOLIDATED)
Permits
2
Max Depth
9,000 ft
First Permit
2010-08-03
Latest Activity
2010-08-03
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2011-08-30
Shut-In
—
Plugged
2025-06-17
EWA / Production operator mismatch
Scheduling: ZARVONA ENERGY LLC ≠ Production: APPROACH OPERATING LLC (reported 2019-04)
EWA / Permit operator mismatch
Scheduling: ZARVONA ENERGY LLC ≠ Permit: APPROACH OPERATING LLC
Resolved via: scheduling → ZARVONA ENERGY 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
2011-07
Last Production
2026-07
Operator History
originally filed by APPROACH OPERATING LLC — asset transferred
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (3) Elevation 2,547 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| WOLFCAMP | 5,184 ft | -2,637 ft |
| OZONA NE CANYON | 7,097 ft | -4,550 ft |
| CRYSTAL FALLS | 7,488 ft | -4,941 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 |
|---|---|
| 4,878–8,010 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,940 ft | 880 sx |
| 5.5" | 8,176 ft | 120 sx |
| 5.5" | — | 980 sx |
Permit History (2)
Applications (2)
Records & Logs
2 completion filings on record · 2 with log images at RRC.
Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 1
- Max Depth
- 9,000 ft
- Drill Type
- Vertical
- County
- SCHLEICHER
- District
- 7
- Operator
- ZARVONA ENERGY LLC
- Completed
- 2011-08-30
Operator
- Name
- ZARVONA ENGY LLC
- Location
- HOUSTON
- P-5 Status
- X (filed 2026-06-02)
- Cum Oil (all leases)
- 11,950,764 bbl
- Cum Gas (all leases)
- 118,564,582 mcf
- Activities
- CSGD/G, GTHS/C, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 94