Encapsulated polymers and selective activation thereof
US10060205B2 · kind B2 · utility
3Cited by
0References
19Claims
0Family size
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Key dates
| Filing date | Dec 22, 2016 |
| Grant date | Aug 28, 2018 |
| Priority date | — |
| Expiry date | Dec 22, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/92
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Wellbore strengthening compositions and methods of use may include a base fluid and a plurality of hydrogel particles or a plurality of core-shell particles suspended in the base fluid. A method of treating a formation may include pumping a wellbore fluid into the formation, where the wellbore fluid includes a base fluid; and a plurality of hydrogel particles or a plurality of core-shell particles suspended in the base fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.