42-329-47418
PRODUCING HorizontalCASSELMAN4
MIDLAND County · District 8 · APACHE CORPORATION · SPRABERRY (TREND AREA)
Permits
1
Max Depth
12,000 ft
First Permit
2024-10-09
Latest Activity
2024-10-09
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2025-06-02
Shut-In
—
Plugged
—
P-5 Org Status: Active
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
2008-02
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 2,888 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 1,098 ft | +1,790 ft |
| RUSTLER | 1,929 ft | +959 ft |
| YATES | 3,054 ft | -166 ft |
| SEVEN RIVERS | 3,216 ft | -328 ft |
| QUEEN | 4,281 ft | -1,393 ft |
| GRAYBURG | 4,335 ft | -1,447 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 4,856 ft | -1,968 ft |
| GLORIETA | 5,912 ft | -3,024 ft |
| CLEARFORK (Clear Fork) | 7,178 ft | -4,290 ft |
| SPRABERRY | 8,691 ft | -5,803 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 (2)
| Interval | Type |
|---|---|
| 10,248–14,280 ft | Perforated |
| 16,072–20,785 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,672 ft | 1,270 sx |
| 9.625" | 9,243 ft | 1,430 sx |
| 6" | 20,812 ft | 2,785 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
- U 1H
- Max Depth
- 12,000 ft
- Drill Type
- Horizontal
- County
- MIDLAND
- District
- 8
- Operator
- APACHE CORPORATION
- Completed
- 2025-06-02
Operator
- Name
- APC OPER PARTNERSHIP
- Location
- HOUSTON
- P-5 Status
- Active (filed 2025-12-03)
- Cum Oil (all leases)
- 615,928,793 bbl
- Cum Gas (all leases)
- 2,702,742,169 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 9,662