US Patent 10145207 Well treatment device, method, and system

A cover configured to dispose over a treatment port of a downhole treatment tool, the cover comprising a dissolvable material. A system for protecting treatment ports in a downhole treatment tool, the treatment tool having an outer surface and an inner bore, the inner bore in fluid communication with the outer surface through one or more treatment port orifices disposed on the outer surface of the treatment tool, and a dissolvable treatment port cover disposed in the fluid communication path of the treatment port. A method for treatment of a well including the steps of locating a treatment tool in a well, the treatment tool having a treatment port and a cover over the treatment port; setting an activation tool in the well; placing a treatment, applying pressure to rupture the cover; and unsetting the activation tool.