Patents by Inventor Joonhyung Bae

Joonhyung Bae 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).

  • Methods and apparatus for navigating a tool downhole
    Patent number: 7757782
    Abstract: Methods and apparatus for navigating a subterranean tool comprising a body member and a head member steerably associated with the body member. A determining unit is configured to determine a transversal target position of a nose of the head member relative to the body member and a steering unit is configured to steer the head member relative to the body member so that the nose of the head member is located at the transversal target position.
    Type: Grant
    Filed: December 7, 2006
    Date of Patent: July 20, 2010
    Assignee: Schlumberger Technology Corporation
    Inventors: Hitoshi Tashiro, Ryuki Odashima, Joonhyung Bae, Ahmed Tahoun
  • METHODS AND APPARATUS FOR NAVIGATING A TOOL DOWNHOLE
    Publication number: 20080135293
    Abstract: Methods and apparatus for navigating a subterranean tool comprising a body member and a head member steerably associated with the body member. A determining unit is configured to determine a transversal target position of a nose of the head member relative to the body member and a steering unit is configured to steer the head member relative to the body member so that the nose of the head member is located at the transversal target position.
    Type: Application
    Filed: December 7, 2006
    Publication date: June 12, 2008
    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: HITOSHI TASHIRO, RYUKI ODASHIMA, JOONHYUNG BAE, AHMED TAHOUN