Patents by Inventor Jaffar A. Saleem

Jaffar A. Saleem 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).

  • VDA/acid system for matrix acid stimulation
    Patent number: 8496061
    Abstract: A method of preventing phase separation of a viscoelastic surfactant fluid or diverting agent due to ferric ions during matrix acidizing of an oil well which involves the injection of both citric acid and acetic acid which prevents the separation of the viscoelastic diverting agent/acid with ferric ions which avoids damage to well productivity and/or injectivity.
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: July 30, 2013
    Assignee: Saudi Arabian Oil Company
    Inventors: Ali A. Al-Taq, Ayman R. Nakhli, Habeeb H. Haji, Jaffar A. Saleem
  • VDA/ACID SYSTEM FOR MATRIX ACID STIMULATION
    Publication number: 20120181022
    Abstract: A method of preventing phase separation of a viscoelastic surfactant fluid due to ferric ions during matrix acidizing is described which involves including citric acid and acetic acid in the surfactant/acid fluid formulation.
    Type: Application
    Filed: January 19, 2011
    Publication date: July 19, 2012
    Inventors: Ali A. Al-Taq, Ayman R. Nakhli, Habeeb H. Haji, Jaffar A. Saleem