Texas Mineral Radar → operators → MITSUI E&P USA LLC
MITSUI E&P USA LLC
MITSUI E&P USA LLC is registered with the Railroad Commission of Texas as operator #101155. It has 7 drilling permits on record across 2 Texas counties (Webb, Leon), most recently on 2026-06-22. 7 of those permits are horizontal wells — the kind that can drain minerals a mile or more from the surface location.
The mineral owners under MITSUI E&P USA LLC's new permits
For mineral buyers and landmen: when MITSUI E&P USA LLC files a new W-1 drilling permit, the Permit Owner File matches it to the listed mineral owners under the tract and delivers them that Monday with mailing addresses, for every operator filing in the package counties.
Recent permits by MITSUI E&P USA LLC
| Filed | County | Lease | Type | Flags |
|---|---|---|---|---|
| 2026-06-22 | Webb | JUSTAPOR A | Drill | Horiz |
| 2026-04-02 | Leon | WHITAKER | Drill | Horiz |
| 2026-04-02 | Leon | JBC RANCH | Drill | Horiz |
| 2026-03-25 | Webb | JUSTAPOR A | Drill | Horiz |
| 2026-01-28 | Webb | STATE MID A | Drill | Horiz |
| 2025-12-04 | Leon | JBC RANCH | Drill | Horiz |
| 2025-11-25 | Webb | STATE EDITH B | Drill | Horiz |
Where MITSUI E&P USA LLC operates
| County | Permits | Most recent |
|---|---|---|
| Webb County | 4 | 2026-06-22 |
| Leon County | 3 | 2026-04-02 |
Permits filed by year
| Year | Permits | Horizontal |
|---|---|---|
| 2026 | 5 | 5 |
| 2025 | 2 | 2 |
The permit feed carries a rolling recent window, so early years are partial. Well counts above come from the full current wellbore file.