Floating offshore drilling rig:

Floating units include inland barge rigs, drill ships and ship-shaped barges, and semisubmersibles.

See mobile offshore drilling unit.

Terms Related to Floating offshore drilling rig

• Mobile offshore drilling unit

  A drilling rig that is used exclusively to drill offshore exploration and development wells and that floats upon the surface of the water when being ...

• Semisubmersible drilling rig

  A floating offshore drilling unit that has pontoons and columns that when flooded cause the unit to submerge in the water to a predetermined depth. ...

• Bottom-supported offshore drilling rig

  A type of mobile offshore drilling unit that has a part of its structure in contact with the seafloor when it is on site and ...

• Inland barge rig

  A drilling structure consisting of a barge upon which the drilling equipment is constructed. When moved from one location to another, the barge floats. When ...

• Offshore drilling

  Drilling for oil or gas in an ocean, gulf, or sea, usually on the outer continental shelf. A drilling unit for offshore operations may be ...

• Drill ship

  A self-propelled floating offshore drilling unit that is a ship constructed to permit a well to e drilled from it. Although not as stable as ...

• Drill ship

  A self-propelled floating offshore drilling unit that is a ship constructed to permit a well to be drilled from it. While not as stable as ...