US Patent 10030644 Flow router with retrievable valve assembly

Embodiments of the present invention provide a flow router for inclusion in a production string that is for insertion in a well casing, the flow router comprising a retrievable assembly removably inserted in a perforated cover and a valve of the retrievable assembly including a valve body extending extends between opposed first and second ends of the valve to define an axial flow path, the retrievable assembly retrievable to and removable from an open end of the production string.