42-105-42382
PRODUCING HorizontalUNIVERSITY 42
CROCKETT County · District 7 · ZARVONA ENERGY LLC · HOLT RANCH (CONSOLIDATED)
Permits
1
Max Depth
7,800 ft
First Permit
2017-04-10
Latest Activity
2017-04-10
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2018-08-15
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: ZARVONA ENERGY LLC ≠ Permit: APPROACH OPERATING LLC
Resolved via: production → 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
2010-09
Last Production
2026-07
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (8) Elevation 2,596 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| QUEEN | 1,053 ft | +1,543 ft |
| SAN ANDRES | 1,687 ft | +909 ft |
| LEONARD | 4,075 ft | -1,479 ft |
| WOLFCAMP | 5,446 ft | -2,850 ft |
| CANYON | — | — |
| DEVONIAN | — | — |
| ELLENBURGER | — | — |
| STRAWN | — | — |
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 |
|---|---|
| 6,542–14,082 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,239 ft | 535 sx |
| 5.5" | 14,177 ft | 2,693 sx |
Permit History (1)
Applications (1)
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
- 2121HC
- Max Depth
- 7,800 ft
- Drill Type
- Horizontal
- County
- CROCKETT
- District
- 7
- Operator
- ZARVONA ENERGY LLC
- Completed
- 2018-08-15
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