Assembly of valve lubrificadora adapted for connection in a sequence of tubulau00c7u00d5es pipelines for use in a well.And a valve lubrificadora completau00c7u00c3o of well having a sequence of tubulau00c7u00d5es pipeline extending from a head of a well into a well and where the valve is connected lubrificadora following tubulau00c7u00d5es of pipeline to intervenu00c7ao as well