Patent ID: 7721805

Claim:
An assembly to inject fluid from a surface station around a well tool located within a string of production tubing, the assembly comprising: a lower anchor socket located in the string of production tubing below the well tool; an upper anchor socket located in the string of production tubing above the well tool; a lower injection anchor seal assembly engaged within said lower anchor socket; an upper injection anchor seal assembly engaged within said upper anchor socket; a first injection conduit extending from the surface station to said upper injection anchor seal assembly, said first injection conduit in communication with a first hydraulic port of said upper anchor socket; a second injection conduit extending from said lower injection anchor seal assembly to a location below the well tool, said second injection conduit in communication with a second hydraulic port of said lower anchor socket; a fluid pathway to bypass the well tool and allow hydraulic communication between said first hydraulic port and said second hydraulic port; and a hydraulic control line in communication with a surface location and the well tool, said hydraulic control line in further communication with at least one of the first hydraulic port of said upper anchor socket, the second hydraulic port of said lower anchor socket, and the fluid pathway.