https://www.youtube.com/watch?v=DTlpzf47MIU
After 22 hours, the crew of the Maersk Interceptor have assembled and lowered 551 feet of pipes into the water. Through them, a hydraulic hammer will operate to drive these pipes 131 feet below the seafloor.
From: MIGHTY SHIPS: Maersk Interceptor http://bit.ly/2biRHN1
