42-235-36029
HorizontalROCK HOLLOW
IRION County · District 7 · DISCOVERY NATURAL RESOURCES LLC · SPRABERRY (TREND AREA)
Permits
2
Max Depth
7,800 ft
First Permit
2014-12-30
Latest Activity
2022-05-02
Lifespan
7 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2015-09-27
Shut-In
—
Plugged
—
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
2011-09
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 (11) Elevation 2,604 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| GRAYBURG | 1,757 ft | +847 ft |
| SAN ANDRES | 2,126 ft | +478 ft |
| CLEARFORK (Clear Fork) | 4,136 ft | -1,532 ft |
| SPRABERRY | 5,066 ft | -2,462 ft |
| CANYON | — | — |
| CLEARFORK (Clear Fork) | — | — |
| FUSSELMAN | — | — |
| GRAYBURG | — | — |
| SAN ANDRES | — | — |
| SPRABERRY | — | — |
| WOLFCAMP | — | — |
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 |
|---|---|
| 7,896–16,009 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 922 ft | 1,070 sx |
| 7" | 6,185 ft | 680 sx |
| 4.5" | 16,039 ft | 810 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
- 1641UB
- Max Depth
- 7,800 ft
- Drill Type
- Horizontal
- County
- IRION
- District
- 7
- Operator
- DISCOVERY NATURAL RESOURCES LLC
- Completed
- 2015-09-27
Operator
- Location
- DENVER
- P-5 Status
- Active (filed 2026-01-12)
- Cum Oil (all leases)
- 51,732,063 bbl
- Cum Gas (all leases)
- 23,685,198 mcf
- Activities
- G/PUR, GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 439