Patents Assigned to Z-Seis Corporation
  • Patent number: 7441628
    Abstract: Methods and apparatus for generating a signal with a signal generator comprising a tool body disposed in a tubular member. A first and second electromagnets are disposed within the tool body such that the second electromagnet is opposite the first electromagnet. A power supply selectively provides electrical current to the first and second electromagnets so as to displace the tubular member and generate a signal in the surrounding formation.
    Type: Grant
    Filed: October 14, 2004
    Date of Patent: October 28, 2008
    Assignee: Z-Seis Corporation
    Inventor: James Minto