42-329-40568
PRODUCING HorizontalWILLOW LAKES 34 SL
MIDLAND County · District 8 · DIAMONDBACK E&P LLC · SPRABERRY (TREND AREA)
Permits
2
Max Depth
10,500 ft
First Permit
2015-10-20
Latest Activity
2015-10-20
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2016-02-12
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: DIAMONDBACK E&P LLC ≠ Permit: TRAIL RIDGE ENERGY PRTNS II LLC
Resolved via: production → DIAMONDBACK E&P 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
2016-02
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 2,802 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 838 ft | +1,964 ft |
| YATES | 2,667 ft | +135 ft |
| SEVEN RIVERS | 2,964 ft | -162 ft |
| QUEEN | 3,741 ft | -939 ft |
| GRAYBURG | 4,046 ft | -1,244 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 4,202 ft | -1,400 ft |
| GLORIETA | 4,250 ft | -1,448 ft |
| CLEARFORK (Clear Fork) | 5,465 ft | -2,663 ft |
| SPRABERRY | 7,649 ft | -4,847 ft |
| SPRABERRY UPPER-DEAN (Spraberry) | 8,542 ft | -5,740 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 ↗
Perforations (1)
| Interval | Type |
|---|---|
| 9,820–14,958 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 513 ft | 500 sx |
| 9.625" | 5,615 ft | 700 sx |
| 5.5" | 15,008 ft | 2,385 sx |
Permit History (2)
Applications (2)
Records & Logs
2 completion filings 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
- 391HS
- Max Depth
- 10,500 ft
- Drill Type
- Horizontal
- County
- MIDLAND
- District
- 8
- Operator
- DIAMONDBACK E&P LLC
- Completed
- 2016-02-12
Operator
- Name
- DIAMONDBACK E&P LLC
- Location
- MIDLAND
- P-5 Status
- X (filed 2026-05-04)
- Cum Oil (all leases)
- 986,290,193 bbl
- Cum Gas (all leases)
- 41,995,553 mcf
- Activities
- GTHS/C, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 4,977