42-317-39651
PRODUCINGWELCH 39
MARTIN County · District 8 · OXYROCK OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
12,000 ft
First Permit
2014-07-23
Latest Activity
2014-07-23
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2014-10-10
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
2013-04
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 (10) Elevation 2,816 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 2,580 ft | +236 ft |
| GRAYBURG | 4,075 ft | -1,259 ft |
| SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres) | 4,298 ft | -1,482 ft |
| SPRABERRY | 7,563 ft | -4,747 ft |
| DEAN | 8,882 ft | -6,066 ft |
| WOLFCAMP | 9,092 ft | -6,276 ft |
| CISCO | — | — |
| PENNSYLVANIAN | — | — |
| QUEEN | — | — |
| SANTA ROSA | — | — |
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 |
|---|---|
| 9,260–11,355 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 380 ft | 450 sx |
| 8.625" | 5,148 ft | 1,200 sx |
| 5.5" | 11,503 ft | 1,900 sx |
Permit History (1)
Applications (1)
Records & Logs
1 completion filing on record · 1 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
- 4
- Max Depth
- 12,000 ft
- Drill Type
- Vertical
- County
- MARTIN
- District
- 8
- Operator
- OXYROCK OPERATING LLC
- Completed
- 2014-10-10
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