Drillships

thumb|Drillship Deep Value Driller docked in Norway thumb|Comparison of deepwater semi-submersible and drillship. thumb|In the foreground, offshore support vessel Toisa Perseus with the fifth-generation deepwater drillship Discoverer Enterprise.

marine research program in 1961

deep-sea drillship platform

is a Japanese scientific drilling ship built for the Integrated Ocean Drilling Program (IODP). The vessel is designed to ultimately drill beneath the seabed, where the Earth's crust is much thinner, and into the Earth's mantle, deeper than any other hole drilled in the ocean thus far.

ship built in 1978

scrapped drilling ship