OFFSHORE SUPPORT
VESSELS
Bulk handling systems (BHS) are crucial for offshore support vessels (OSV) to perform their supply function. The main task of the BHS is to receive, store and discharge dry material. In conventional systems, the storage and discharge of dry material are performed by pressure bulk tanks. Dry bulk cargo, such as Cement, Barite or Bentonite, is fluidised in the tanks by compressed air, then discharged to the offshore rig tanks via the pipes and hoses using the airflow from the compressor.
Lion offers several configurations of this Bulk handling System to comply with our customer’s requirements.
System Configurations
Pressure tank system
Pressure tank system
The pressure tank or P-tank system is a conventional system used on Offshore Vessels. The system deploys several pressure tanks to receive, store and discharge cement and drilling powders on board. Dry bulk cargo is fluidized in the tanks by compressed air, then discharged via the pipes and hoses to the rig tanks. The bulk material is loaded and unloaded pneumatically, using compressed air to convey the powder.
Sender tank system
Sender tank system
The sender tank system is a bulk handling system using several atmospheric, hull-integrated hoppers to transport cement and drilling powders from shore to offshore destinations. Material is loaded pneumatically from shore. Small pressure tanks underneath the hoppers are filled and pressurised for unloading to a rig to pneumatically convey the bulk material through the pipe and hose routing.
Re-loader tank system
Re-loader tank system
The re-loader or double re-loader tank systems are used to store dry bulk material onboard offshore vessels. The system uses several atmospheric hoppers to store cement and drilling powders. The material enters a re-loader tank, which is then pressurised to convey the powder towards the rig tanks pneumatically. Vacuum is used to remove material from the hoppers.
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