The heaviest man-made object ever transported is the Gullfaks C installation, whose displacement was between 1.4 and 1.5 million tons (3.08 to 3.3 billion lb) at 210 during its retreat to the Gullfaks field in the northern part of the Norwegian North Sea. . m (688 ft 11.7 in) drawing draft. With 2 million barrels (325,000 cu m) of crude oil storage capacity, Gullfaks C started production for Statoil (Norway) on 4 November 1989.

Built in 216 meters of water, Gullfaks C is 262 m (859 ft 6.94 in) tall alone and has a total height of 380 m (1,246 ft 8.6 in) with a concrete gravity foundation structure (GBS) that has a flow at the bottom. 500,000 tons (1.1 billion lb) of weight.

Gullfaks is an oil and gas field operated in the North Sea in the Norwegian sector Equinor. It was discovered in 1978 at a water depth of 130-230 meters in 34/10 blocks. [1] The first recoverable reserve is 2.1 billion barrels (330 x 10 6 m 3), and the remaining recoverable reserve in 2004 is 234 million barrels (37.2 x 10 6 m 3). This oil received 180,000 barrels per day (29,000 m of peak production in 2001 3 / d). Gullfaks South features Rimfaks, Skinfaks, and Gullveig satellite areas.