Patents Assigned to Vetco Grey Controls Limited
  • Microseismic signal processing
    Patent number: 6947843
    Abstract: Signals from microseismic events are used to obtain a parameter of reservoir such as porosity, permeability or saturation.
    Type: Grant
    Filed: July 25, 2002
    Date of Patent: September 20, 2005
    Assignee: Vetco Grey Controls Limited
    Inventors: Andrew Fisher, Robert Hughes Jones, Andrew Jupe, Stephen Wilson