42-317-40208
PRODUCING HorizontalEAST WILLOW LAKES
MARTIN County · District 8 · DIAMONDBACK E&P LLC · SPRABERRY (TREND AREA) R 40 EXC
Permits
3
Max Depth
9,200 ft
First Permit
2015-06-12
Latest Activity
2015-06-12
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2015-07-13
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: DIAMONDBACK E&P LLC ≠ Permit: LARIO OIL & GAS COMPANY
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
2015-07
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 2,693 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 950 ft | +1,743 ft |
| YATES | 2,306 ft | +387 ft |
| QUEEN | 3,221 ft | -528 ft |
| GRAYBURG | 3,962 ft | -1,269 ft |
| SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres) | 4,150 ft | -1,457 ft |
| SPRABERRY | 7,145 ft | -4,452 ft |
| DEAN | 8,500 ft | -5,807 ft |
| WOLFCAMP | 8,697 ft | -6,004 ft |
| CISCO | — | — |
| 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 |
|---|---|
| 9,318–17,586 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 425 ft | 550 sx |
| 9.625" | 5,101 ft | 600 sx |
| 9.625" | 8,500 ft | 1,445 sx |
| 5.5" | 17,686 ft | 3,020 sx |
Permit History (3)
Applications (3)
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
- 291H
- Max Depth
- 9,200 ft
- Drill Type
- Horizontal
- County
- MARTIN
- District
- 8
- Operator
- DIAMONDBACK E&P LLC
- Completed
- 2015-07-13
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