Method for determining permeability of rock formation using computer tomograpic images thereof
US8081802B2 · kind B2 · utility
40Cited by
8References
10Claims
0Family size
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Key dates
| Filing date | Nov 29, 2008 |
| Grant date | Dec 20, 2011 |
| Priority date | — |
| Expiry date | Aug 10, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2223/649
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for estimating permeability properties of a porous material from a sample thereof includes making a three dimensional tomographic image of the sample of the material. The image is segmented into pixels each representing pore space or rock grains. The image is divided into sub-volumes. A porosity is estimated for each sub-volume. The components of a permeability tensor are determined by conducting simulations. Principal permeability values and directions are then calculated. The permeability properties are stored in a computer or displayed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.