42-105-42461
PRODUCING HorizontalUNIVERSITY 50 CD
CROCKETT County · District 7 · ZARVONA ENERGY LLC · HOLT RANCH (CONSOLIDATED)
Permits
2
Max Depth
7,800 ft
First Permit
2018-07-27
Latest Activity
2018-09-30
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2020-01-04
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
2018-10
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 2,673 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| QUEEN | 1,954 ft | +719 ft |
| SAN ANDRES | 2,585 ft | +88 ft |
| LEONARD | 5,128 ft | -2,455 ft |
| WOLFCAMP | 6,522 ft | -3,849 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 ↗
Offset Well Tops (nearest 8 wells with tops)
What nearby completed wells reported.
Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).
Perforations (1)
| Interval | Type |
|---|---|
| 8,824–13,626 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,243 ft | 535 sx |
| 5.5" | 13,780 ft | 2,545 sx |
| 5.5" | 13,785 ft | 2,545 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.
Well Details
- Well Number
- 631HA
- Max Depth
- 7,800 ft
- Drill Type
- Horizontal
- County
- CROCKETT
- District
- 7
- Operator
- ZARVONA ENERGY LLC
- Completed
- 2020-01-04
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