Patents by Inventor Eugene Albert Elphingstone

Eugene Albert Elphingstone has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • SILICA GEL AS A VISCOSIFIER FOR SUBTERRANEAN FLUID SYSTEM
    Publication number: 20160090525
    Abstract: This invention relates to a composition and method of fracturing subterranean formations utilizing a polymerized alkali silicate. The fracturing fluid includes an alkali silicate such as sodium silicate and an acid such as hydrochloric acid. The sodium silicate is polymerized to a silica gel using an acid. The resulting silica gel has a pH from about 2 to less than 7.5.
    Type: Application
    Filed: May 23, 2014
    Publication date: March 31, 2016
    Inventors: Michael James McDonald, Neil Thomas Miller, Xianglian Li, Eugene Albert Elphingstone, William K. Ott