42-329-39884
PRODUCING HorizontalSOUTH CURTIS RANCH
MIDLAND County · District 8 · OCCIDENTAL PERMIAN LTD. · SPRABERRY (TREND AREA)
Permits
2
Max Depth
12,500 ft
First Permit
2014-12-02
Latest Activity
2014-12-02
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2015-07-27
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
2010-11
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 2,833 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 2,881 ft | -48 ft |
| QUEEN | 3,943 ft | -1,110 ft |
| GRAYBURG | 4,565 ft | -1,732 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 4,662 ft | -1,829 ft |
| CLEARFORK (Clear Fork) | 7,007 ft | -4,174 ft |
| SPRABERRY | 7,956 ft | -5,123 ft |
| GLORIETA | — | — |
| SANTA ROSA | — | — |
| SEVEN RIVERS | — | — |
| 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. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗
Perforations (1)
| Interval | Type |
|---|---|
| 9,150–17,057 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,400 ft | 850 sx |
| 9.625" | 6,918 ft | 1,350 sx |
| 5.5" | 17,288 ft | 1,250 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.
No GPS coordinates yet
Well Details
- Well Number
- 421MH
- Max Depth
- 12,500 ft
- Drill Type
- Horizontal
- County
- MIDLAND
- District
- 8
- Operator
- OCCIDENTAL PERMIAN LTD.
- Completed
- 2015-07-27
Operator
- Location
- HOUSTON
- P-5 Status
- Active (filed 2026-02-02)
- Cum Oil (all leases)
- 1,136,409,534 bbl
- Cum Gas (all leases)
- 442,977,611 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 6,214