Patent 7199084 was granted and assigned to Schlumberger on April, 2007 by the United States Patent and Trademark Office.
Suspensions are provided of water-soluble materials in non-aqueous carrier fluids using suspension agents that include thixotropic agents and, optionally, organophilic clays. Methods of forming such suspensions are provided. Methods are also provided for using such suspensions to prepare aqueous solutions, in particular thickened aqueous solutions, in particular for use in oilfield treatments.