Computer animated.. Documentairy.. The Burj Dubai, ISS, Story of Cruise ships also aviable in computer animation. Best documentary ever..!!! WATCH ALL..!!! 100%FREE.. Travel question: What is the biggest oil rig in the world? RoccProduction. Most offshore platforms are located on the continental shelf, though with advances in technology and increasing crude oil prices, drilling and production in deeper waters has become both feasible and economically viable. A typical platform may have around thirty wellheads located on the platform and directional drilling allows reservoirs to be accessed at both different depths and at remote positions up to 5 miles (8 kilometers) from the platform.