Methods for measurement of ultra-low permeability and porosity
US10274411B2 · kind B2 · utility
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19References
20Claims
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Key dates
| Filing date | Apr 14, 2014 |
| Grant date | Apr 30, 2019 |
| Priority date | — |
| Expiry date | Jan 22, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/24
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Methods and apparatus are disclosed for measuring the permeability and/or porosity of ultra-low permeable rock samples. In some embodiments, the methods utilize fluid pressure perturbation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.