42-211-35666
Final Completion HorizontalBIG COUNTRY
HEMPHILL County · District 10 · EHVI EXPLORATION LLC · BUFFALO WALLOW (GRANITE WASH)
Permits
1
Max Depth
14,500 ft
First Permit
2022-10-03
Latest Activity
2022-10-03
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2023-02-04
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: EHVI EXPLORATION LLC ≠ Production: VALIDUS ENERGY II MIDCON LLC (reported 2026-04)
Resolved via: production → VALIDUS ENERGY II MIDCON 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
2023-02
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 (12) Elevation 2,755 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BROWN DOLOMITE - PROD, PRESSURED (Brown Dolomite) | 4,331 ft | -1,576 ft |
| DOUGLAS | 7,461 ft | -4,706 ft |
| KANSAS CITY (HOGSHOOTER) (Kansas City) | 8,877 ft | -6,122 ft |
| CLEVELAND | 9,268 ft | -6,513 ft |
| PENNSYLVANIAN (MARMATON) (Pennsylvanian) | 10,516 ft | -7,761 ft |
| BROWNSVILLE | — | — |
| CLEVELAND | — | — |
| OSWEGO UPPER (Oswego) | — | — |
| PENNSYLVANIAN (MARMATON) (Pennsylvanian) | — | — |
| PENNSYLVANIAN SAND (Pennsylvanian) | — | — |
| TONKAWA | — | — |
| TOPEKA | — | — |
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 |
|---|---|
| 12,330–17,223 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 997 ft | 289 sx |
| 7" | 11,814 ft | 566 sx |
Permit History (1)
Applications (1)
Records & Logs
3 completion filings on record.
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
- 7401H
- Max Depth
- 14,500 ft
- Drill Type
- Horizontal
- County
- HEMPHILL
- District
- 10
- Operator
- EHVI EXPLORATION LLC
- Completed
- 2023-02-04
Operator
- Name
- EHVI EXPL, LLC
- Location
- DENVER
- P-5 Status
- Inactive (filed 2024-06-06)
- Cum Oil (all leases)
- 21,515 bbl
- Cum Gas (all leases)
- 5,467,126 mcf
- Total Permits
- 7