42-227-39546
PRODUCING HorizontalMIDDLE KNOTT UNIT 21
HOWARD County · District 8 · DIAMONDBACK E&P LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
8,750 ft
First Permit
2018-04-23
Latest Activity
2018-04-23
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2018-11-02
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
2017-10
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 2,561 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 1,896 ft | +665 ft |
| SEVEN RIVERS | 2,074 ft | +487 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 3,677 ft | -1,116 ft |
| GLORIETA | 4,273 ft | -1,712 ft |
| CLEARFORK - SEVERE WATER FLOWS (Clear Fork) | 4,788 ft | -2,227 ft |
| SPRABERRY | 6,578 ft | -4,017 ft |
| LEONARD | 7,501 ft | -4,940 ft |
| COLEMAN JUNCTION | — | — |
| DEAN | — | — |
| WOLFCAMP | — | — |
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 |
|---|---|
| 8,043–17,994 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,158 ft | 700 sx |
| 9.625" | 7,200 ft | 670 sx |
| 5.5" | 18,113 ft | 2,685 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
- 4LS
- Max Depth
- 8,750 ft
- Drill Type
- Horizontal
- County
- HOWARD
- District
- 8
- Operator
- DIAMONDBACK E&P LLC
- Completed
- 2018-11-02
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
- 4,970