Convert Millidarcy to Kilodarcy
Convert Millidarcy (mD) to Kilodarcy (kD) instantly and accurately.
Conversion Formula
kD = mD × 1.000000000e-6
About Millidarcy
The millidarcy (mD) equals 10⁻³ D ≈ 9.869 × 10⁻¹⁶ m², the everyday unit in petroleum reservoir engineering worldwide. Conventional sandstone reservoirs: 1-1 000 mD; carbonate reservoirs: 0.1-100 mD; economic gas recovery typically requires k ≥ 0.1 mD. Permeameter and well-test reports give results in mD. 1 mD = 10⁻³ D = 10³ µD.
About Kilodarcy
The kilodarcy (kD) equals 10³ D ≈ 9.869 × 10⁻¹⁰ m², used for very high-permeability porous structures. Gravel packs in oil wells: 1-100 kD; vuggy dissolved carbonates: 1-10 kD; loose sand-gravel mixtures: 10-1 000 kD. 1 kD = 10³ D = 10⁶ mD.
Quick Reference Table
| Millidarcy (mD) | Kilodarcy (kD) |
|---|---|
| 1 mD | 1 × 10-6 kD |
| 2 mD | 2 × 10-6 kD |
| 5 mD | 5 × 10-6 kD |
| 10 mD | 1 × 10-5 kD |
| 25 mD | 2.5 × 10-5 kD |
| 50 mD | 5 × 10-5 kD |
| 100 mD | 1 × 10-4 kD |