drillships work in water depths ranging from 2,000 to more than 10,000 feet (610 to 3,048 meters). Drilling equipment is passed through the vessel's moon pool and connected to the well equipment ...

The average cost to drill a well is $5,625 ... quality of construction can have a large impact on that. Equipment like well pumps and water filtration systems will not last as long as the well ...

the legs are lowered to the ocean's floor and the rig hull and drilling equipment is elevated well above the water's surface and away from any potential waves. The first type of elevating device ...