Patents Assigned to TOBISHIMA CORPORATION & FUJI RESEARCH INSTITUTE CORP.
  • Publication number: 20030136585
    Abstract: This invention aims to provide a gas-hydrate extracting device and method whereby a high-performance jet fluid is injected from a nozzle at the tip of an extraction pipe inserted into a gas-hydrate stratum, and whereby said jet fluid breaks said stratum so as to form a gas-hydrate mixed fluid that is transferred to surface of the earth, and whereby the void resulting from the removal of said gas hydrate is filled with the components of said high-performance jet fluid and a void-refilling fluid.
    Type: Application
    Filed: September 13, 2002
    Publication date: July 24, 2003
    Applicant: TOBISHIMA CORPORATION & FUJI RESEARCH INSTITUTE CORP.
    Inventors: Katsuya Matsuo, Sosuke Kurosaka, Yutaka Yanagimori, Shuntaro Asano, Junji Shinoda