All articles by Grant Turnbull

Grant Turnbull

Big rigs: how to move the world’s largest rigs

Oil and gas rigs are some of the biggest moveable structures in the world. Modern rigs cost millions of dollars and can weigh up to 30,000 tons. So what does it take to move these engineering marvels? We ask David Wells, CEO of consultancy, and rig-moving specialists, Aqualis Offshore.