While international experts try to figure out what caused the ruptures in the Nord Stream pipeline, engineers have multiple options to try and fix it… … Pipelines must resist many threats. The massive anchors of large container ships or tankers in particular can damage the pipes—as happened in 2008 with the Kvitebjørn pipeline in the North Sea off the Norwegian coast.… … Nord Stream’s more than 1,000 kilometers of pipelines. The structures lie directly on the seabed or, where it is not stable or level enough, on a bed of gravel. They are only laid under the ground where they...