Patents by Inventor Sunghua CHEN

Sunghua CHEN 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: 10359485
    Abstract: An example method for generating measurements using a downhole tool may comprise generating a magnetic field using a magnetic field source coupled to a tool body. An electromagnetic signal may be transmitted from an antenna coupled to the tool body and around which at least one radial projection is positioned and tilted with respect to a longitudinal axis of the tool body. The method may also include receiving a response to the transmitted electromagnetic signal.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: July 23, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Rebecca Jachmann, Sunghua Chen
  • Publication number: 20180252784
    Abstract: An example method for generating measurements using a downhole tool may comprise generating a magnetic field using a magnetic field source coupled to a tool body. An electromagnetic signal may be transmitted from an antenna coupled to the tool body and around which at least one radial projection is positioned and tilted with respect to a longitudinal axis of the tool body. The method may also include receiving a response to the transmitted electromagnetic signal.
    Type: Application
    Filed: December 30, 2014
    Publication date: September 6, 2018
    Inventors: Rebecca JACHMANN, Sunghua CHEN