42-503-41383
PRODUCINGEDWARDS 127
YOUNG County · District 9 · MAMMOTH OPERATING LLC · YOUNG COUNTY REGULAR
Permits
1
Max Depth
550 ft
First Permit
2006-12-27
Latest Activity
2006-12-27
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2007-07-26
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: MAMMOTH OPERATING LLC ≠ Permit: J-LYN OIL CO.
Resolved via: production → MAMMOTH OPERATING 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
1993-01
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 (1)
CSV| Formation | Top Depth (MD) |
|---|---|
| GUNSIGHT | 452 ft |
As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. View filings & logs at RRC ↗
Perforations (1)
| Interval | Type |
|---|---|
| 452–496 ft | Perforated |
Casing (1)
| Size | Set Depth | Cement |
|---|---|---|
| 4.5" | 513 ft | 150 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 can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 22
- Max Depth
- 550 ft
- Drill Type
- Vertical
- County
- YOUNG
- District
- 9
- Operator
- MAMMOTH OPERATING LLC
- Completed
- 2007-07-26
Operator
- Name
- MAMMOTH OPER LLC
- Location
- SPICEWOOD
- P-5 Status
- Active (filed 2025-12-01)
- Cum Oil (all leases)
- 7,282 bbl
- Cum Gas (all leases)
- — mcf
- Activities
- OPRS/O
- Total Permits
- 2