Offshore:

Terms Related to Offshore

• 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 ...

• Floating offshore drilling rig

  A type of mobile offshore drilling unit that floats and is not secured to the seafloor (except for anchors). Floating units include inland barge rigs, ...

• 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 ...

• 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 ...

• Outer continental shelf

  An offshore area in the united states that begins where state ownership of mineral rights ends and ends where international treaties dictate.

• Catwalk

  1. The ramp at the side of the drilling rig where pipe is laid to be lifted to the derrick floor by the catline or ...

• Dynamic positioning

  A method by which a floating offshore drilling rig is maintained in position over an offshore well location without the use of mooring anchors. Generally, ...