42-173-39169
SHUT IN HorizontalYORKTOWN
GLASSCOCK County · District 10 · OXYROCK OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
9,000 ft
First Permit
2024-09-18
Latest Activity
2024-09-18
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2025-10-10
Shut-In
—
Plugged
—
P-5 Org Status: X
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
2025-09
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 (10) Elevation 2,587 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 807 ft | +1,780 ft |
| RUSTLER | 1,432 ft | +1,155 ft |
| YATES | 2,204 ft | +383 ft |
| SEVEN RIVERS | 2,355 ft | +232 ft |
| QUEEN | 3,106 ft | -519 ft |
| GRAYBURG | 3,799 ft | -1,212 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 4,066 ft | -1,479 ft |
| GLORIETA | 4,706 ft | -2,119 ft |
| CLEARFORK (Clear Fork) | 5,737 ft | -3,150 ft |
| SPRABERRY | 6,888 ft | -4,301 ft |
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 |
|---|---|
| 7,824–18,159 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 333 ft | 305 sx |
| 9.625" | 5,037 ft | 870 sx |
| 5.5" | 18,110 ft | 2,070 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 can't be deep-linked — clicking copies the API for you to paste.
Well Details
- Well Number
- 4JM
- Max Depth
- 9,000 ft
- Drill Type
- Horizontal
- County
- GLASSCOCK
- District
- 10
- Operator
- OXYROCK OPERATING LLC
- Completed
- 2025-10-10
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
- 380