Crude Oil Discharging Operation

On completing this chapter you will have an understanding of: • Why the start up stage is extremely critical. • How the proven pressure capacity of the pumps valves and line systems is important when discharging at full rate. • The aims of the ballasting stage. • The main aims and concerns of crude oil washing. • Why ship’s trim and the discharge pressure of cargo pumps is important during stripping. • The key features of the 3 cargo stripping systems and their use. • Why pressing up of ballast tanks is important before departure. • The ship’s main concern during the final gauging of cargo tanks after discharge. • The importance of the final line during of the cargo hose.