The analysis was done on a core of rock taken by an international oceanographic drilling ship in 1997.

The Enterprise class drillship is the largest of the drilling ships.

The expedition involved three icebreakers, one of which had been fitted as a drilling ship.

She was sold on 22 June 1960 to Petrommer Corp., Rockport, Texas for use as a shallow drilling ship.

It is lined with a cement casing so it will not collapse, and a permanent re-entry cone is left, with a beacon so the drilling ship can return to the site.

In both cases, re-entry cones had originally been installed on top of the holes to enable a deep-sea drilling ship to reinsert its drill into the hole.

A drilling ship, shielded from drifting sea ice by several icebreakers, extracted a core more than 1,000 feet long over the last three weeks.

The team then head to northern Russia to secure some drilling ships so that the loyalist Russian forces can have a steady flow of oil.

Chikyū, deep oceanic drilling ship, which achieved a subsea drilling record in 2012.

A ship or boat from two hulls with one long strut on each hull was named as "duplus" (by the name of the first drilling ship of the type).