42-503-42422
INJECTIONMCCLURG M. L.
YOUNG County · District 9 · MAMMOTH OPERATING LLC · YOUNG COUNTY REGULAR
Permits
1
Max Depth
750 ft
First Permit
2019-02-08
Latest Activity
2019-02-08
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2019-02-26
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
Injection / Disposal
Permitted Volume
10 bbl/d
Max Pressure
225 psi
Injection Interval
454–460 ft
Injected (12mo)
2,675 bbl
Monthly injected volume (bbl, from H-10 filings through 2025-11-01)
Seismicity: no M2+ earthquakes recorded within 10 km in the last 24 months · TexNet catalog
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 1,121 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| GUNSIGHT LIME (Gunsight) | 450 ft | +671 ft |
| ATOKA CONGLOMERATE (Atoka) | — | — |
| BRYSON | — | — |
| BUTTRAM | — | — |
| CADDO | — | — |
| CANYON | — | — |
| CISCO | — | — |
| HERRON CITY | — | — |
| PALO PINTO | — | — |
| STRAWN | — | — |
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 (3)
| Interval | Type |
|---|---|
| 454–460 ft | Perforated |
| 478–484 ft | Perforated |
| 486–489 ft | Perforated |
Casing (1)
| Size | Set Depth | Cement |
|---|---|---|
| 5.5" | 490 ft | 120 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.
Well Details
- Well Number
- 17
- Max Depth
- 750 ft
- Drill Type
- Vertical
- County
- YOUNG
- District
- 9
- Operator
- MAMMOTH OPERATING LLC
- Completed
- 2019-02-26
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