42-079-33374
Final Completion HorizontalHUDSON
COCHRAN County · District 8 · MAMMOTH EXPLORATION LLC · SABLE (SAN ANDRES)
Permits
1
Max Depth
6,000 ft
First Permit
2018-02-09
Latest Activity
2018-02-09
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2018-08-05
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: MAMMOTH EXPLORATION LLC ≠ Production: WALSH & WATTS, INC. (reported 2026-04)
Resolved via: production → WALSH & WATTS, INC.
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
2018-08
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 3,709 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RED BED-SANTA ROSA (Santa Rosa) | 1,695 ft | +2,014 ft |
| YATES | 3,045 ft | +664 ft |
| SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres) | 4,420 ft | -711 ft |
| ABO | — | — |
| CISCO | — | — |
| CLEARFORK (Clear Fork) | — | — |
| DEVONIAN | — | — |
| STRAWN | — | — |
| WICHITA (Wichita-Albany) | — | — |
| 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 |
|---|---|
| 5,632–10,655 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 2,443 ft | 900 sx |
| 5.5" | 10,839 ft | 2,330 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record · 2 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
- 601H
- Max Depth
- 6,000 ft
- Drill Type
- Horizontal
- County
- COCHRAN
- District
- 8
- Operator
- MAMMOTH EXPLORATION LLC
- Completed
- 2018-08-05
Operator
- Name
- MAMMOTH EXPL LLC
- Location
- MIDLAND
- P-5 Status
- Inactive (filed 2023-07-21)
- Cum Oil (all leases)
- 827,059 bbl
- Cum Gas (all leases)
- 186,859 mcf
- Total Permits
- 38