Loss circulation material composition having alkaline nanoparticle based dispersion and water insoluble hydrolysable polyester
US10351755B2 · kind B2 · utility
10Cited by
13References
11Claims
0Family size
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Key dates
| Filing date | Aug 17, 2017 |
| Grant date | Jul 16, 2019 |
| Priority date | — |
| Expiry date | Aug 17, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2208/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A lost circulation material (LCM) is provided having an alkaline nanosilica dispersion and a polyester activator. The alkaline nanosilica dispersion and the polyester activator may form a gelled solid after interaction over a contact period. Methods of lost circulation control using the LCM are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.