Patents by Inventor Akane Imamura

Akane Imamura 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).

  • Downhole acoustic mapping
    Patent number: 10364664
    Abstract: A downhole tool for operation within a wellbore and including a transmitter array and first and second receiver arrays. The transmitter array includes a plurality of transmitters azimuthally distributed around a longitudinal axis of the downhole tool at a first axial location of the downhole tool. The first receiver array includes a plurality of first receivers azimuthally distributed around the longitudinal axis at a second axial location axially offset from the first axial location. The second receiver array includes a plurality of second receivers azimuthally distributed around the longitudinal axis at a third axial location axially offset from the first and second axial locations.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: July 30, 2019
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Hiroshi Hori, Wataru Izuhara, Naoki Sakiyama, Toshimichi Wago, Hiroshi Nakajima, Shin'ichi Houshuyama, Akane Imamura
  • Downhole Acoustic Mapping
    Publication number: 20180003843
    Abstract: A downhole tool for operation within a wellbore and including a transmitter array and first and second receiver arrays. The transmitter array includes a plurality of transmitters azimuthally distributed around a longitudinal axis of the downhole tool at a first axial location of the downhole tool. The first receiver array includes a plurality of first receivers azimuthally distributed around the longitudinal axis at a second axial location axially offset from the first axial location. The second receiver array includes a plurality of second receivers azimuthally distributed around the longitudinal axis at a third axial location axially offset from the first and second axial locations.
    Type: Application
    Filed: June 15, 2017
    Publication date: January 4, 2018
    Inventors: Hiroshi Hori, Wataru Izuhara, Naoki Sakiyama, Toshimichi Wago, Hiroshi Nakajima, Shin'ichi Houshuyama, Akane Imamura