Use of CSH-seed modified fibers in oil field applications
US10214676B2 · kind B2 · utility
0Cited by
7References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 2016 |
| Grant date | Feb 26, 2019 |
| Priority date | — |
| Expiry date | Feb 24, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/91
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention relates to the use of modified fibers in oilfield applications, particularly in borehole cementing. Said fibers have crystallization seeds attached to their surfaces thereby improving the mechanical strength and ductility of borehole cements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.