Patents by Inventor R. NIEMAR

R. NIEMAR 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: 10156649
    Abstract: A dual core geophone includes a dual magnetic core packaged in a housing providing higher sensitivity and a reduction of electric wires in the device. The geophone includes a locking mechanism for the dual magnetic core to protect the device from strong vibrations when the device is not in use. A method for measuring acoustic vibrations in a downhole with a dual core geophone as above includes locking the dual magnetic core when the geophone is not detecting acoustic vibrations.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: December 18, 2018
    Assignee: Halliburton Energy Services, Inc.
    Inventors: R. Niemar, Wei Hsuan Huang, Yee Siang Teh, YongAn Yan
  • Publication number: 20160327666
    Abstract: A dual core geophone includes a dual magnetic core packaged in a housing providing higher sensitivity and a reduction of electric wires in the device. The geophone includes a locking mechanism for the dual magnetic core to protect the device from strong vibrations when the device is not in use. A method for measuring acoustic vibrations in a downhole with a dual core geophone as above includes locking the dual magnetic core when the geophone is not detecting acoustic vibrations.
    Type: Application
    Filed: December 29, 2014
    Publication date: November 10, 2016
    Applicant: HALLIBURTON ENERGY SERVICES, INC.
    Inventors: R. NIEMAR, Wei Hsuan HUANG, Yee Siang TEH, YongAn YAN