Patents by Inventor Anming Wu

Anming Wu 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).

  • Silicate drilling fluid composition containing lubricating agents and uses thereof
    Patent number: 7842651
    Abstract: The present disclosure relates to the compositions of a water-based silicate drilling fluid comprising: (1) alkali metal silicates; (2) cationic polyacrylamide; (3) a lubricant composition; and (4) other conventional drilling fluid additives. The lubricant composition comprises a lubricating effective amount of a carrier oil and one or more lubricants selected from lecithins, sulfurized vegetable and/or lard oils or modified castor oil.
    Type: Grant
    Filed: December 8, 2008
    Date of Patent: November 30, 2010
    Assignee: Chengdu Cationic Chemistry Company, Inc.
    Inventors: Anming Wu, Xing Yan
  • SILICATE DRILLING FLUID COMPOSITION CONTAINING LUBRICATING AGENTS AND USES THEREOF
    Publication number: 20090170730
    Abstract: The present disclosure relates to the compositions of a water-based silicate drilling fluid comprising: (1) alkali metal silicates; (2) cationic polyacrylamide; (3) a lubricant composition; and (4) other conventional drilling fluid additives. The lubricant composition comprises a lubricating effective amount of a carrier oil and one or more lubricants selected from lecithins, sulfurized vegetable and/or lard oils or modified castor oil.
    Type: Application
    Filed: December 8, 2008
    Publication date: July 2, 2009
    Inventors: Anming Wu, Xing Yan