Gas Venting System of Drillship and Drillship having The Same

摘要

The present invention relates to a system to discharge gas from a fuel storage tank of a drillship for pressure control, and a drillship equipped with the gas discharge system. According to the present invention, the gas discharge system for the drillship includes: a boom rest placed near a crane to support a boom of the crane installed in the upper part of a main deck of the drillship; and a venting line placed in the hull of the drillship, and discharging gas from a fuel storage tank storing fuel used for an engine of the drillship. The venting line includes: a connection part extended from the fuel storage tank to the boom rest; and an extended part extended from the connection part to the upper part of the boom rest along the boom rest.