42-317-39507
Final CompletionNAIL RANCH 28
MARTIN County · District 8 · OXYROCK OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
12,000 ft
First Permit
2014-06-05
Latest Activity
2014-06-05
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2014-11-17
Shut-In
—
Plugged
—
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
2011-04
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 (18) Elevation 2,783 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 2,698 ft | +85 ft |
| QUEEN | 3,680 ft | -897 ft |
| GRAYBURG | 4,312 ft | -1,529 ft |
| SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres) | 4,476 ft | -1,693 ft |
| SPRABERRY | 7,672 ft | -4,889 ft |
| DEAN | 8,962 ft | -6,179 ft |
| DEAN | 8,982 ft | -6,199 ft |
| WOLFCAMP | 9,224 ft | -6,441 ft |
| STRAWN | 10,512 ft | -7,729 ft |
| ATOKA | 11,050 ft | -8,267 ft |
| MISSISSIPPIAN | 11,270 ft | -8,487 ft |
| CISCO | — | — |
| DEVONIAN | — | — |
| ELLENBURGER | — | — |
| FUSSELMAN | — | — |
| PENNSYLVANIAN | — | — |
| SANTA ROSA | — | — |
| SILURIAN (Silurian (undifferentiated)) | — | — |
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 |
|---|---|
| 9,274–11,420 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 338 ft | 400 sx |
| 8.625" | 5,265 ft | 1,150 sx |
| 5.5" | 11,605 ft | 1,900 sx |
Permit History (1)
Applications (1)
Records & Logs
3 completion filings on record · 3 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
- 2
- Max Depth
- 12,000 ft
- Drill Type
- Vertical
- County
- MARTIN
- District
- 8
- Operator
- OXYROCK OPERATING LLC
- Completed
- 2014-11-17
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