42-329-42176
PRODUCING HorizontalCASSELMAN4
MIDLAND County · District 8 · APACHE CORPORATION · SPRABERRY (TREND AREA)
Permits
2
Max Depth
9,600 ft
First Permit
2017-12-21
Latest Activity
2017-12-21
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2018-10-07
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: APACHE CORPORATION ≠ Permit: CALLON PETROLEUM OPERATING CO
Resolved via: production → APACHE CORPORATION
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)
CSV| Formation | Top Depth (MD) |
|---|---|
| SANTA ROSA | 1,125 ft |
| YATES | 3,055 ft |
| SEVEN RIVERS | 3,325 ft |
| QUEEN | 4,125 ft |
| GRAYBURG | 4,600 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 5,055 ft |
| GLORIETA | 5,945 ft |
| CLEARFORK (Clear Fork) | 7,185 ft |
| SPRABERRY | 8,160 ft |
| SPRABERRY UPPER-DEAN (Spraberry) | — |
As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. 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 |
|---|---|
| 9,600–13,727 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,625 ft | 1,235 sx |
| 9.625" | 8,557 ft | 908 sx |
| 7" | 9,563 ft | 1,716 sx |
| 5.5" | 13,910 ft | 1,716 sx |
Permit History (2)
Applications (2)
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
- 8UL
- Max Depth
- 9,600 ft
- Drill Type
- Horizontal
- County
- MIDLAND
- District
- 8
- Operator
- APACHE CORPORATION
- Completed
- 2018-10-07
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