The groups were also worried about the offshore pipelines interfering with the migration of whales off the island.

Certain offshore pipelines used to produce oil and gas are regulated by the Minerals Management Service (MMS).

Rita's path traveled through a dense area of offshore pipelines and oil platforms, and on land to an area with large refineries.

At the time of construction, it was the longest and largest offshore pipeline in the world.

It was more than twice as long as the next largest single-section offshore pipeline in the world.

And if Howard Hanks was right, what they'd seen was the tanker off-loading its cargo of crude oil onto waiting barges or into an offshore pipeline.

The total costs of the project are $7 billion, of which $3.5 billion are costs of the offshore pipeline.

Gas production required the construction of an undersea, offshore pipeline to link the production wells with gas markets.

After reaching Capetown, South Africa, it slipped onto an offshore pipeline and removed all but a few thousand gallons.

A Steel catenary riser (SCR) is a common method of attaching an offshore pipeline to a deepwater floating oil production platform.