42-503-40032
INJECTIONDRUM L. R.
YOUNG County · District 9 · MAMMOTH OPERATING LLC · YOUNG COUNTY REGULAR
Permits
1
Max Depth
650 ft
First Permit
1989-06-30
Latest Activity
1989-06-30
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1989-07-23
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: MAMMOTH OPERATING LLC ≠ Permit: DON BAR INVESTMENT COMPANY
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
Injection / Disposal
Permitted Volume
50 bbl/d
Max Pressure
242 psi
Injection Interval
484–496 ft
Injected (12mo)
7,650 bbl
Monthly injected volume (bbl, from H-10 filings through 2025-11-01)
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 (3) Elevation 1,130 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| GUNSITE | 482 ft | +648 ft |
| GUNSIGHT | 484 ft | +646 ft |
| GUNSITE | 484 ft | +646 ft |
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 ↗
Perforations (2)
| Interval | Type |
|---|---|
| 484–493 ft | Perforated |
| 484–496 ft | Perforated |
Casing (1)
| Size | Set Depth | Cement |
|---|---|---|
| 4.5" | 516 ft | 75 sx |
Permit History (1)
Applications (1)
Records & Logs
3 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
- 5
- Max Depth
- 650 ft
- Drill Type
- Vertical
- County
- YOUNG
- District
- 9
- Operator
- MAMMOTH OPERATING LLC
- Completed
- 1989-07-23
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