Emulsion system for sand consolidation
US7975764B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 26, 2007 |
| Grant date | Jul 12, 2011 |
| Priority date | — |
| Expiry date | Sep 11, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/56
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A sand consolidation system and a method for use of the system is provided. The consolidation system includes an emulsion having an oil phase and an aqueous phase, wherein the emulsion contains a source of insoluble silica particles and a source of calcium hydroxide, wherein the calcium hydroxide particles are present in the oil phase, and the insoluble silica particles are contained in the aqueous phase. Both types of particles must have average particle sizes which will fit into the pores of the formations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.