A DOWNHOLE CONTROL ARRANGEMENT, A VALVE ARRANGEMENT, A SIDE POCKET MANDREL, AND METHOD FOR OPERATING A DOWNHOLE VALVE ARRANGEMENT

摘要

A downhole control arrangement (60) for installation in hydrocarbon well and for controlling the operation of a downhole valve arrangement (10) comprising an electrically controlled control valve, wherein the control arrangement comprises a control system (70) and an electric power supply source configured for supplying electric power to the control system. Further is disclosed downhole valve arrangement for controlling the flow of an injection fluid into a production tubing of a hydrocarbon well, comprising a control arrangement, and a side pocket mandrel (1) for installation in a production tubing (3) for use in a hydrocarbon well, wherein the side pocket mandrel comprises an interior pocket space (6) and a valve arrangement (10).