WITSML - Rig HydroCyclones Component Schema Manufacturer / supplier of the item. Manufacturers designated model. Date and time of installation. Removal date and time. Description for the type of object. Cones description. Contractor/owner. An identification tag for the hydrocyclone. A serial number is a type of identification tag however some tags contain many pieces of information. This structure just identifies the tag and does not describe the contents. Unique identifier for the hydrocyclone.