Successful completion of first riser-drilling operations in earthquake zone
Thursday, July 30, 2009 - 12:35
in Earth & Climate
Despite harsh weather and ocean conditions, and complex geological characteristics of its drill site, the deep-sea drilling vessel CHIKYU, for the first time in the history of scientific ocean drilling, conducted riser-drilling operations to drill successfully down to a depth of 1,603.7 meters beneath the seafloor (at water depth of 2,054 meters).