Why Are Buried Oil and Gas Pipelines Vulnerable to Damage

question 6

Multiple Choice

Why are buried oil and gas pipelines vulnerable to damage during a flood?

• A)The pipes rise with the rising water level, causing the pipes to break.
• B)The large amounts of sediment flowing during a flood puts additional pressure on the pipes.
• C)Channel scour can erode down to the pipeline level, and tumbling rocks can sever the pipe.
• D)When the levee is overtopped, the dropping water level can expose the pipe, leading to damage.
• E)If the oil and gas are shut off, the pipe becomes lighter and can float to the bankfull level.