API Hydraulic Casing Packer

Casing Packer (casing external packer) uses hydraulic expansion type structure, mainly be used in the complex wells'(oil,gas,water) completion project, to achieve downhole packer and bridging and in favor of improvement of the quality of completion. The practice proved that this tool have characters of easy operation,wide adaptability, it has a very important position in the completion project.

Hydraulic expansion packer mainly consists f of e valve m system t joint  assembly, rubber  barrel, central  tube ,casing  sub. The valve system s is d divided o into  axial valve m system d and l radial e valve  system. Radial e valve m system s is d composed of a a  set of  three valve.