Patents by Inventor Ray Nold, III

Ray Nold, III 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).

  • Patent number: 7878244
    Abstract: Apparatus and methods to perform focused sampling of reservoir fluid are described. An example method couples a sampling probe to a subterranean formation and, while the sampling probe is coupled to the subterranean formation, varies a pumping ratio of at least two displacement units to reduce a contamination level of a formation flu id extracted via the sampling probe from the subterranean formation.
    Type: Grant
    Filed: July 27, 2007
    Date of Patent: February 1, 2011
    Assignee: Schlumberger Technology Corporation
    Inventors: Ray Nold, III, Alexander Zazovsky, Ricardo Vasques, Steven G. Villareal, Reinhart Ciglenec, Albert Hoefel