42-227-39174
PRODUCING HorizontalWILLIAMS 21 C
HOWARD County · District 8 · DIAMONDBACK E&P LLC · SPRABERRY (TREND AREA)
Permits
2
Max Depth
9,155 ft
First Permit
2017-06-28
Latest Activity
2017-06-28
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2018-02-06
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
2018-02
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 2,551 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 1,924 ft | +627 ft |
| SEVEN RIVERS | 2,099 ft | +452 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 3,684 ft | -1,133 ft |
| GLORIETA | 4,255 ft | -1,704 ft |
| CLEARFORK - SEVERE WATER FLOWS (Clear Fork) | 4,874 ft | -2,323 ft |
| SPRABERRY | 6,632 ft | -4,081 ft |
| LEONARD | 7,550 ft | -4,999 ft |
| DEAN | 7,906 ft | -5,355 ft |
| WOLFCAMP | 8,092 ft | -5,541 ft |
| COLEMAN JUNCTION | — | — |
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 |
|---|---|
| 8,454–18,784 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 443 ft | 580 sx |
| 9.625" | 7,655 ft | 830 sx |
| 5.5" | 18,878 ft | 2,795 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
- 4WA
- Max Depth
- 9,155 ft
- Drill Type
- Horizontal
- County
- HOWARD
- District
- 8
- Operator
- DIAMONDBACK E&P LLC
- Completed
- 2018-02-06
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
- 4,969