42-227-40744
PRODUCING HorizontalDESERT WILLOW
HOWARD County · District 8 · OXYROCK OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
8,400 ft
First Permit
2020-06-17
Latest Activity
2020-06-17
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2021-07-17
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: OXYROCK OPERATING LLC ≠ Permit: CROWNQUEST OPERATING, LLC
Resolved via: production → OXYROCK 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
2021-05
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 (10) Elevation 2,469 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 1,130 ft | +1,339 ft |
| YATES | 1,815 ft | +654 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 3,233 ft | -764 ft |
| GLORIETA | 4,146 ft | -1,677 ft |
| CLEARFORK - SEVERE WATER FLOWS (Clear Fork) | 4,861 ft | -2,392 ft |
| SPRABERRY | 6,450 ft | -3,981 ft |
| DEAN | — | — |
| LEONARD | — | — |
| SANTA ROSA | — | — |
| SEVEN RIVERS | — | — |
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 |
|---|---|
| 8,752–21,027 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 939 ft | 815 sx |
| 9.625" | 8,479 ft | 1,600 sx |
| 5.5" | 21,187 ft | 1,925 sx |
Permit History (1)
Applications (1)
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.
Well Details
- Well Number
- 4HB
- Max Depth
- 8,400 ft
- Drill Type
- Horizontal
- County
- HOWARD
- District
- 8
- Operator
- OXYROCK OPERATING LLC
- Completed
- 2021-07-17
Operator
- Name
- OXYROCK OPER, LLC
- Location
- HOUSTON
- P-5 Status
- X (filed 2026-04-22)
- Cum Oil (all leases)
- 64,850,483 bbl
- Cum Gas (all leases)
- 77,830 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 364