42-371-39188
Final Completion HorizontalSTATE LANA 38
PECOS County · District 8 · MAMMOTH EXPLORATION LLC · HOEFS T-K (WOLFCAMP)
Permits
1
Max Depth
9,000 ft
First Permit
2014-05-06
Latest Activity
2014-05-06
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2014-08-26
Shut-In
—
Plugged
2022-07-19
EWA / Production operator mismatch
Scheduling: MAMMOTH EXPLORATION LLC ≠ Production: EOG RESOURCES, INC. (reported 2015-03)
EWA / Permit operator mismatch
Scheduling: MAMMOTH EXPLORATION LLC ≠ Permit: EOG RESOURCES, INC.
Resolved via: scheduling → MAMMOTH EXPLORATION 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
2014-08
Last Production
2022-09
Operator History
originally filed by EOG RESOURCES, INC. — asset transferred
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (10) Elevation 3,124 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 1,330 ft | +1,794 ft |
| GLORIETA | — | — |
| GRAYBURG | — | — |
| O'BRIEN | — | — |
| QUEEN | — | — |
| SEVEN RIVERS | — | — |
| SOMA | — | — |
| TOBORG | — | — |
| TUBB | — | — |
| YATES | — | — |
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 (1)
| Interval | Type |
|---|---|
| 9,040–14,590 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,930 ft | 1,100 sx |
| 9.625" | 4,681 ft | 950 sx |
| 5.5" | 14,629 ft | 2,180 sx |
Permit History (1)
Applications (1)
Records & Logs
1 completion filing on record · 1 with log images at RRC.
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.
No GPS coordinates yet
Well Details
- Well Number
- 2H
- Max Depth
- 9,000 ft
- Drill Type
- Horizontal
- County
- PECOS
- District
- 8
- Operator
- MAMMOTH EXPLORATION LLC
- Completed
- 2014-08-26
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