Downhole tool inflatable packer assembly

Claim 1

An inflatable packer assembly, comprising: an upper packer shoe having an internally threaded portion for threadedly connecting said packer assembly to an apparatus located thereabove; a bypass mandrel having an upper portion connected to said upper packer shoe; a packer mandrel adapter having an upper end connected to a lower end of said bypass mandrel; a mandrel cover tube extending downwardly from said packer mandrel adapter; a packer mandrel having an upper portion concentrically disposed within said mandrel cover tube and connected to said packer mandrel adapter; a flow connector having an upper end connected to a lower end of said packer mandrel; a lower packer adapter having an upper end connected to a lower end of said flow connector; a packer flow tube having an upper end received in said bypass mandrel and having a lower end received in said flow connector; an inflatable bladder means having an upper end connected to said upper packer shoe; a floating packer shoe slidably engaging an outer cylindrical surface of said mandrel cover tube, a lower end of said inflatable bladder means being connected to said floating packer shoe; a flow connector cap having a lower end connected to said flow connector and an upper portion engaging said mandrel cover tube; a central flow passage means disposed through said packer assembly; a packer bypass passage means disposed in said packer assembly for bypassing well fluid located outside the packer assembly from a point above the inflatable bladder means to a lower end of said lower packer adapter; and an inflation passage means disposed in said packer assembly for communicating inflation fluid under pressure from an upper end of said packer assembly to said inflatable bladder means and to a lower end of said lower packer adapter.