| Title | Natural State Simulation of the Kakkonda Geothermal Field, Japan |
|---|---|
| Authors | Yukihiro Sakagawa, Kengo Aoyama, Ken Ikeuchi, Masahiro Takahashi, Osamu Kato, Nobuo Doi, Toshiyuki Tosha, Takao Ominato and Kazuo Koide |
| Year | 2000 |
| Conference | World Geothermal Congress |
| Keywords | geothermal, natural state simulation, Kakkonda field, NEDOís project |
| Abstract | A numerical study of the Kakkonda field which consisted of three-dimensional natural state simulation, history matching and future prediction, is being carried out. Among them, the natural state simulation with porous models is presented here. Satisfactory fits on temperature in the natural state were obtained. The result implies that the heat source at the depth drives the fluid which originates from the meteoric water to form the current hydrothermal system, and that the temperature gap between the deep reservoir and the shallow reservoir may be caused by the permeability difference between both reservoirs. A sketch of the geological structure, the outline of the numerical model and results of the natural state simulation are presented. |