42-317-45292
PRODUCING HorizontalCHEST THUMPER 1-5 UNIT 1A
MARTIN County · District 8 · DIAMONDBACK E&P LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
9,482 ft
First Permit
2023-06-08
Latest Activity
2023-06-08
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2024-04-12
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
2023-09
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 (18) Elevation 2,785 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 1,000 ft | +1,785 ft |
| YATES | 2,698 ft | +87 ft |
| YATES | 2,707 ft | +78 ft |
| QUEEN | 3,509 ft | -724 ft |
| QUEEN | 3,546 ft | -761 ft |
| GRAYBURG | 4,015 ft | -1,230 ft |
| GRAYBURG | 4,675 ft | -1,890 ft |
| SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres) | 4,835 ft | -2,050 ft |
| SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres) | 4,947 ft | -2,162 ft |
| CLEARFORK, UPPER (Clear Fork) | 6,471 ft | -3,686 ft |
| CLEARFORK, UPPER (Clear Fork) | 6,491 ft | -3,706 ft |
| SPRABERRY | 7,715 ft | -4,930 ft |
| SPRABERRY | 7,722 ft | -4,937 ft |
| DEAN | 9,024 ft | -6,239 ft |
| DEAN | 9,069 ft | -6,284 ft |
| WOLFCAMP | 9,191 ft | -6,406 ft |
| WOLFCAMP | 9,266 ft | -6,481 ft |
| CISCO | — | — |
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 |
|---|---|
| 9,601–22,448 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,818 ft | 1,360 sx |
| 10.75" | 6,886 ft | 1,240 sx |
| 5.5" | 22,480 ft | 2,185 sx |
Permit History (1)
Applications (1)
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 and the UL library can't be deep-linked — clicking copies the API for you to paste.
Well Details
- Well Number
- 221
- Max Depth
- 9,482 ft
- Drill Type
- Horizontal
- County
- MARTIN
- District
- 8
- Operator
- DIAMONDBACK E&P LLC
- Completed
- 2024-04-12
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
- 4,969