Patent · US Active

Emulsion system for sand consolidation

US7975764B2 · kind B2 · utility

15Cited by
7References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 26, 2007
Grant dateJul 12, 2011
Priority date
Expiry dateSep 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.