Mark Kumataka

Mark is a chemical engineer by education (1972 BS, 1975 MS) and has been a California licensed Petroleum Engineer since 1982. He has been a geothermal and Oil and Gas reservoir, production and operations engineer since 1977 working for geothermal subsidiaries of Major Oil and Gas companies and independent geothermal power companies and as a consultant to a major oil company. In these positions Mark was the wellfield development/ reservoir engineer for vapor and liquid dominated reservoirs, implemented a geothermal project distributed control system, the first of its kind in the World, and prepared a myriad of economic evaluations for US and International projects. In addition to having been the Owner’s engineer for the first BOOT geothermal project in Costa Rica, as the Owner’s reservoir engineer on a Nevada geothermal project, he proposed an injection augmentation program into a recently developed surface manifestation that raised the existing reservoir pressure to above initial conditions maintaining nameplate output He is intimately familiar with geothermal field and power plant design, operations and maintenance including piping design, turbine mods, instrumentation and controls, and corrosion prevention with a strong working knowledge of ASME B31.3, B31.2, and other pertinent codes and standards. Currently Mark is a consulting engineer to the geothermal industry.