An improved downhole tool apparatus including, but not limited to, packers and bridge plugs which more fully utilize highly stressed non-metallic components, including slips, slip wedges, and packer element retaining shoes than prior tools. The non-metallic packer element retaining shoes of the present...http://www.google.es/patents/US5540279?utm_source=gb-gplus-sharePatente US5540279 - Downhole tool apparatus with non-metallic packer element retaining shoes
Downhole tool apparatus with non-metallic packer element retaining shoes
