Surfactants for use in liquid suspensions of lightweight beads
US10723934B2 · kind B2 · utility
2Cited by
2References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 9, 2016 |
| Grant date | Jul 28, 2020 |
| Priority date | — |
| Expiry date | Jun 19, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/91
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method for suspending lightweight beads in a fluid includes combining lightweight beads, a fluid, and a surfactant to form a liquid additive. The liquid additive may be used to reduce the density of a wellbore fluid. The liquid additive or wellbore fluid can be combined with a cementitious material to form a lightweight cement composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.