Compositions and methods to recover irreducible water for enhanced formation evaluation
US10633574B2 · kind B2 · utility
1Cited by
14References
20Claims
0Family size
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Key dates
| Filing date | Aug 2, 2017 |
| Grant date | Apr 28, 2020 |
| Priority date | — |
| Expiry date | Sep 7, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/246
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Provided here are compositions and improved methods for recovering portion of irreducible water saturation in a porous rock sample. Compositions used here contain a displacement fluid and a surfactant, and lead to an increased recovery of the irreducible water from the porous rock sample.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.