Lesson 4: Vocabulary (Offshore Platforms and Vessels)

A drilling barge is a _____ rig used in shallow waters.

Some offshore platforms and vessels were designed for use in _____ water while others were designed for use in deep water.

• sea

• shallow

• big

• ocean

• wide

A jack-up rig has two _____ and at least three vertical legs.

A semi-submersible rig is ​ (a)   platform floated with pontoons below the surface of the water.

• rectangular-shaped
• spherical-shaped
• triangular-shaped
• squared-shaped

Gravity-base fixed production platform is a platform with a _____ concrete base, held to the seabed by gravity.

• steel

• steel-reinforce

• reinforced

• steel-reinforced

A tension-leg platform is held in position by heavy weights connected to _____ steel tubes.

A compliant platform is designed to _____ with the wind, waves and currents.

A compliant platform is designed to sway with the wind, waves and _____.

Semi-submersible platforms are _____ with pontoons below the surface of the water.

to take goods off a vehicle