Patents by Inventor Robert James North

Robert James North 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).

  • Method to determine fluid phase distribution and quantify holdup in a wellbore
    Patent number: 7603236
    Abstract: The present invention is a method of determining fluid phase distribution and quantifying holdup in a wellbore. The method includes receiving a plurality of oriented probe data and grouping the oriented probe data based on a depth interval. The grouped probe data is processed and fluid phase distribution information is generated based on the processed result.
    Type: Grant
    Filed: August 21, 2006
    Date of Patent: October 13, 2009
    Assignee: Schlumberger Technology Corporation
    Inventors: Robert James North, QingFeng Zhu, Gang Xu, Hui Jin
  • Method to determine fluid phase distribution and quantify holdup in a wellbore
    Publication number: 20080046186
    Abstract: A method of determining fluid phase distribution comprises receiving a plurality of oriented probe data; grouping the oriented probe data based on a depth interval; processing the grouped probe data; and generating fluid phase distribution information based on the processed result.
    Type: Application
    Filed: August 21, 2006
    Publication date: February 21, 2008
    Inventors: Robert James North, QingFeng Zhu, Gang Xu, Hui Jin