Patents by Inventor Brian Cho

Brian Cho 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).

  • Sealing Mechanism for a Subterranean Well
    Publication number: 20050217850
    Abstract: A technique includes deploying a spring downhole, energizing the spring and using the energized spring to form an annular barrier in the well. The spring may be energized prior to being run downhole or after being run downhole, depending on the particular embodiment of the invention.
    Type: Application
    Filed: April 5, 2004
    Publication date: October 6, 2005
    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Brian Cho, Rodney Wetzel, Rashmi Bhavsar
  • Cutting Tool
    Publication number: 20050006102
    Abstract: The present invention provides for a cutting device and associated method to cut one or more downhole control lines such that the cut ends of the one or more control lines will not interfere with subsequent fishing operations.
    Type: Application
    Filed: April 6, 2004
    Publication date: January 13, 2005
    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventor: Brian Cho