DH-111 Retrievable Mechanical Packer Application Apply for slip Packer or Tubing Anchor(or singly) for zonal injection,Website:http://www.dhpetrotools.com, extraction, squeeze, water detection and well testing. Feature • Compact, operate simply, stable, secure, setting repeatedly. • Designed with flat key in the structure, it could be used with rotary packer. ParametersCasing (in)OD (in)ID ...