obstructs the effective passage of pressured fluid thereby obstructing inflation and deflation of the bladder additionally ribs on the exterior of the bladder can cut into the bladder during nonuniform inflation or deflation of the bladder the packer provides a series of shape controllers to cause uniform inflation along the length of the bladder to eliminate these problems application_number US 71264796 A description now referring to fig1 there is shown an inflatable packer device 10 the packer 10 may be provided in the form of a packer bridge plug tubing hanger or the like depending upon whether or not the bore of the packer 10 is open or closed the packer 10 contains a body 15 which may be provided in the form of a tube the body 15 extends through the full length of the packer 10 and connects to the bottom of a conduit b such as tubing in the form of a continuous length coiled tubing or the like which extends to the well surface not shown the conduit b may also be provided in the form of wire or electric line or sectioned threaded drill or production pipe or casing the body 15 is connected to the bottom of the conduit b by means on its upper end such as a threaded surface 20 engageable with conduit b an inflatable elastomeric bladder 40 is concentrically disposed around the body 15 the bladder may be surrounded and secured relative to a reinforcing sheath 70 the sheath 70 may be formed of a plurality.