Patents by Inventor Abdullah M. Al-Dhafeeri

Abdullah M. Al-Dhafeeri 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).

  • Composition and method for stimulation of oil production in sandstone formations
    Publication number: 20100288499
    Abstract: A method and a composition for stimulating oil production from wells which have ceased production by pumping in a mixture of gluconic, oxalic and citric acids, isopropanol, ethylene glycol and sodium citrate between pre-flush and over-flush intervals, which composition and method does not include the use of hydrochloric acid or hydrofluoric acid.
    Type: Application
    Filed: May 13, 2009
    Publication date: November 18, 2010
    Inventors: Abdullah M. Al-Dhafeeri, Nader M. Obeid
  • Method of cementing well bores
    Patent number: 7500520
    Abstract: A method of cementing an oil well with a silicate-forming gel solution and an acid-soluble cement separated by a polymeric spacer which permits solubilization and removal of the cement by HCl in the event of a fracture in subterranean formation and the need for water and/or gas shutoff.
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: March 10, 2009
    Assignee: Saudi Arabian Oil Company
    Inventors: Abdullah M. Al-Dhafeeri, Abdullah S. Al-Yami
  • Method of cementing well bores
    Publication number: 20080099202
    Abstract: A method of cementing an oil well with a silicate-forming gel solution and an acid-soluble cement separated by a polymeric spacer which permits solubilization and removal of the cement by HCl in the event of a fracture in subterranean formation and the need for water and/or gas shutoff.
    Type: Application
    Filed: October 31, 2006
    Publication date: May 1, 2008
    Inventors: Abdullah M. Al-Dhafeeri, Abdullah S. Al-Yami