Types Of Oil Rigs

Question 1

Fixed Platforms

Answer 1

Consist of a steel or concrete structure anchored directly onto the seabed. Ideal for shallow waters (up to about 500 feet)

Question 2

Complex

Answer 2

A series of fixed platforms that are bridge linked.

Question 3

Jack up

Answer 3

Mobile, self-elevating rigs with legs that can be lowered to the seabed, providing a stable drilling environment in shallow waters (up to 400 feet).

Question 4

Semi-Sub

Answer 4

Floating rigs that are partially submerged in water and held in position by mooring lines or dynamic positioning. Suitable for deeper waters and harsher environments.

Question 5

Drillships

Answer 5

Ships equipped with drilling apparatus. They are mobile, can drill in ultra-deep waters, and are preferred in exploratory drilling.

Question 6

SPAR

Answer 6

Floating platforms anchored to the seabed with a large cylindrical hull. They are stable in deep water and can support both drilling and production operations.

Question 7

Tension leg platforms

Answer 7

Floating platforms tethered to the seabed by tensioned legs, providing stability suitable for deep-water drilling and production.

Question 8

FPSOs

Answer 8

Ships that process and store oil before offloading it to tankers. Ideal for remote areas where pipeline infrastructure is not feasible.

Question 9

FLNG (Floating liquified natural gas)

Answer 9

Floating facilities designed for the on-site production and liquefaction of natural gas.

Question 10

Compliant Towers

Answer 10

Narrow, flexible towers and a piled foundation to support a conventional deck for drilling and production. Used in waters up to 3,000 feet.