Permeability determination from NMR relaxation measurements for fluids in porous media
US5289124A · kind A · utility
39Cited by
5References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 1991 |
| Grant date | Feb 22, 1994 |
| Priority date | — |
| Expiry date | Sep 20, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V3/32
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention is a method to rapidly determine the fluid-flow permeability of porous media with nuclear magnetic resonance (NMR). The method can be applied to measurements of permeability in fluid-saturated earth formations using NMR logging tools.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.