42-371-04303
Final CompletionPRICE -8-
PECOS County · District 8 · MAMMOTH EXPLORATION LLC · CROSSETT S. (DETRITAL)
Permits
1
Max Depth
5,442 ft
First Permit
2018-12-18
Latest Activity
2018-12-18
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2009-02-09
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: MAMMOTH EXPLORATION LLC ≠ Production: SAGUARO PETROLEUM, LLC (reported 2026-03)
Resolved via: production → SAGUARO PETROLEUM, 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
PECOS County disposal market →Permitted Volume
1,000 bbl/d
Max Pressure
2,405 psi
Injection Interval
4,810–5,150 ft
Injected (12mo)
—
Monthly injected volume (bbl, from H-10 filings through 2019-05-01)
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 (5) Elevation 2,283 ft (DF)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 883 ft | +1,400 ft |
| SAN ANDRES | 1,811 ft | +472 ft |
| GLORIETA | 2,300 ft | -17 ft |
| TUBB | 2,924 ft | -641 ft |
| DETRITAL | 4,737 ft | -2,454 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 ↗
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 (2)
| Interval | Type |
|---|---|
| 4,936–5,108 ft | Perforated |
| ?–4,936 ft | Perforated |
Casing (6)
| Size | Set Depth | Cement |
|---|---|---|
| 7.875" | 1,140 ft | 700 sx |
| 7.625" | 1,140 ft | 700 sx |
| 3.5" | 4,895 ft | 105 sx |
| 2.375" | 5,024 ft | — |
| 2.375" | 5,072 ft | — |
| 4.5" | 5,220 ft | 150 sx |
Permit History (1)
Applications (1)
Records & Logs
12 completion filings on record.
+6 more filings
Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.
Well Details
- Well Number
- 1
- Max Depth
- 5,442 ft
- Drill Type
- Vertical
- County
- PECOS
- District
- 8
- Operator
- MAMMOTH EXPLORATION LLC
- Completed
- 2009-02-09
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