Koji Yamamoto

Best Publications

• Key Findings of the World’s First Offshore Methane Hydrate Production Test off the Coast of Japan: Toward Future Commercial Production

  Yoshihiro Konno;Tetsuya Fujii;Akihiko Sato;Koya Akamine

  627
  Citations

• Geological setting and characterization of a methane hydrate reservoir distributed at the first offshore production test site on the Daini-Atsumi Knoll in the eastern Nankai Trough, Japan

  Tetsuya Fujii;Kiyofumi Suzuki;Tokujiro Takayama;Machiko Tamaki

  450
  Citations

• The second offshore production of methane hydrate in the Nankai Trough and gas production behavior from a heterogeneous methane hydrate reservoir

  K. Yamamoto;X.-X. Wang;M. Tamaki;K. Suzuki

  415
  Citations

• Operational overview of the first offshore production test of methane hydrates in the Eastern Nankai Trough

  Unknown

  410
  Citations

• Critical state soil constitutive model for methane hydrate soil

  S. Uchida;K. Soga;K. Yamamoto

  335
  Citations

• Overview and introduction: Pressure core-sampling and analyses in the 2012–2013 MH21 offshore test of gas production from methane hydrates in the eastern Nankai Trough

  Unknown

  248
  Citations

• Sand production model in gas hydrate-bearing sediments

  Shun Uchida;Assaf Klar;Koji Yamamoto

  215
  Citations

• Thermal responses of a gas hydrate-bearing sediment to a depressurization operation

  Unknown

  198
  Citations

• Ureolytic activities of a urease-producing bacterium and purified urease enzyme in the anoxic condition: Implication for subseafloor sand production control by microbially induced carbonate precipitation (MICP)

  Ning-Jun Jiang;Hideyoshi Yoshioka;Koji Yamamoto;Kenichi Soga

  147
  Citations

• Analysis of Production Data for 2007/2008 Mallik Gas Hydrate Production Tests in Canada

  Masanori Kurihara;Akihiko Sato;Kunihiro Funatsu;Hisanao Ouchi

  144
  Citations

• An international code comparison study on coupled thermal, hydrologic and geomechanical processes of natural gas hydrate-bearing sediments

  M.D. White;T.J. Kneafsey;Y. Seol;W.F. Waite

  125
  Citations

• Explicitly Coupled Thermal Flow Mechanical Formulation for Gas-Hydrate Sediments

  Assaf Klar;Shun Uchida;Kenichi Soga;Koji Yamamoto

  121
  Citations

• Review of Past Gas Production Attempts from Subsurface Gas Hydrate Deposits and Necessity of Long-Term Production Testing

  Unknown

  114
  Citations

• Physical properties and sedimentological features of hydrate-bearing samples recovered from the first gas hydrate production test site on Daini-Atsumi Knoll around eastern Nankai Trough

  Kiyofumi Suzuki;Peter Schultheiss;Yoshihiro Nakatsuka;Takuma Ito

  95
  Citations

• Data report: Hybrid Pressure Coring System tool review and summary of recovery result from gas-hydrate related coring in the Nankai Project

  Unknown

  90
  Citations

• Natural gas exploitation by carbon dioxide from gas hydrate fields—high-pressure phase equilibrium for an ethane hydrate system

  S Nakano;K Yamamoto;K Ohgaki

  90
  Citations

• A new hybrid pressure-coring system for the drilling vessel Chikyu

  Y. Kubo;Y. Mizuguchi;F. Inagaki;K. Yamamoto

  84
  Citations

• Natural Gas Hydrates: Status of Potential as an Energy Resource

  Ray Boswell;Steve Hancock;Koji Yamamoto;Timothy Collett

  79
  Citations

• GEOLOGIC AND POROUS MEDIA FACTORS AFFECTING THE 2007 PRODUCTION RESPONSE CHARACTERISTICS OF THE JOGMEC/NRCAN/AURORA MALLIK GAS HYDRATE PRODUCTION RESEARCH WELL

  Scott R. Dallimore;J. Frederick Wright;F. Mark Nixon;Masanori Kurihara

  69
  Citations

• Scientific results from the JOGMEC/NRCan/Aurora Mallik 2007-2008 gas hydrate production research well program, Mackenzie Delta, Northwest Territories, Canada

  S R Dallimore;K Yamamoto;J F Wright;G Bellefleur

  59
  Citations