The utility model discloses a meet oily self -expandable packer, including the mandrel, go up keep off the ring, go up the short packing element of protection, inhale the oil -swellable packing element, the short packing element of protection and keep off the ring down, go up and keep off the ring, go up the short packing element of protection, inhale the oil -swellable packing element, the short packing element of protection and keep off the ring down and set gradually attentively epaxial down, when inhaling oil -swellable packing element when inflation, to inhale oil -swellable and glue cylinder diameter and paste to the stratum to the inflation, the short packing element of protection and the gluey cylinder diameter of protection weak point are down gone up to expansion to short packing element of protection and the short packing element of protection down axial expansion extrusion in. The utility model discloses a plane metal keeps off the ring as the axial positioning instrument, and the short packing element of high strength hydrogenation butyronitrile is as tip protective film piece, low expansion multiplying power, high strength inhale the oil -swellable packing element as the seal assembly of packer, improved the sealability of chance oil -swellable packer.