pipe-laying vessel(Pipe-laying vessel (PLV) or pipe-lay vessel is a marine vessel that is used for submerged laying of pipe. In most of the cases (depending on the vessel design) the same vessel can be used for other subsea tasks, such as subsea installation, cable / umbilical laying and heavy lift operations if it equipped with a heavy lift crane. Pipe-laying vessels could be Derrick lay barge (aka anchored vessels) or Dynamically positioned (DP) which is required to ensure vessel stability during operations offshore. DP vessels bring more stability but cost significantly more than anchored vessels scmdaleel.com'More)
