RIGS

How do they build oil rigs in the middle of the ocean? - Quora

Rigs – Oil Drilling Operations in Alaska's North Slope

Drill Rigs - Drilling Rigs

Up Close And Personal With A 40-Story Oil Rig In The Gulf : NPR

Oil platform - Wikipedia

How are Oil Rigs Built? - Oil and Gas Job Search

Exploring Offshore and Onshore Oil Rigs: Types and Innovations

Offshore drilling rigs

Where oil rigs go to die, Oil

Land Rigs in Focus - Westwood

I found out how offshore oil rigs are built