42-317-42280
PRODUCING HorizontalHOLCOMB 39-40
MARTIN County · District 8 · DIAMONDBACK E&P LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
11,000 ft
First Permit
2019-05-16
Latest Activity
2019-05-16
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2019-12-24
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: DIAMONDBACK E&P LLC ≠ Permit: ENDEAVOR ENERGY RESOURCES L.P.
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
2018-03
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 2,655 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 1,000 ft | +1,655 ft |
| YATES | 1,634 ft | +1,021 ft |
| QUEEN | 3,050 ft | -395 ft |
| GRAYBURG | 3,689 ft | -1,034 ft |
| SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres) | 5,070 ft | -2,415 ft |
| CISCO | 6,100 ft | -3,445 ft |
| SPRABERRY | 7,467 ft | -4,812 ft |
| DEAN | 8,685 ft | -6,030 ft |
| WOLFCAMP | 8,970 ft | -6,315 ft |
| PENNSYLVANIAN | — | — |
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 |
|---|---|
| 9,221–19,182 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,004 ft | 825 sx |
| 9.625" | 8,367 ft | 795 sx |
| 9.625" | 8,368 ft | 1,105 sx |
| 5.5" | 19,303 ft | 2,700 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 and the UL library can't be deep-linked — clicking copies the API for you to paste.
Well Details
- Well Number
- 221
- Max Depth
- 11,000 ft
- Drill Type
- Horizontal
- County
- MARTIN
- District
- 8
- Operator
- DIAMONDBACK E&P LLC
- Completed
- 2019-12-24
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