Convert Microdarcy to Nanodarcy
Convert Microdarcy (µD) to Nanodarcy (nD) instantly and accurately.
Conversion Formula
nD = µD × 1000
About Microdarcy
The microdarcy (µD) equals 10⁻⁶ D ≈ 9.869 × 10⁻¹⁹ m², used for tight gas sands, coalbed methane matrix, and low-permeability carbonates. North Sea tight sandstones: 0.01-1 µD; coalbed methane matrix: 1-100 µD; mudrock caprocks: 0.001-1 µD. 1 µD = 10⁻³ mD = 10³ nD.
About Nanodarcy
The nanodarcy (nD) equals 10⁻⁹ D ≈ 9.869 × 10⁻²² m², the standard permeability unit for ultra-tight unconventional reservoirs. Barnett, Marcellus, and Eagle Ford shale matrix: 1-1 000 nD; crystalline basement rocks and caprocks: below 1 nD. Measured by pulse-decay or GRI crushed-rock methods. 1 nD = 10⁻³ µD = 10⁻⁶ mD.
Quick Reference Table
| Microdarcy (µD) | Nanodarcy (nD) |
|---|---|
| 1 µD | 1000 nD |
| 2 µD | 2000 nD |
| 5 µD | 5000 nD |
| 10 µD | 10000 nD |
| 25 µD | 25000 nD |
| 50 µD | 50000 nD |
| 100 µD | 100000 nD |