Parameter
Place of Origin: : Liaoning (Mainland)
Machine Type : Drilling Tool
Brand Name: : Renhe
Use : Well Drilling
Type: : HT packer
Material : carbon steel
Description
High Temperature Oil Well Drilling Packer Downhole Tool
Features
*This packer is a packer of a balanced type, which means that the pressure
of upside and downside of the packer is the same. It is impossible to unseal
because of the overpressure of the upside.
*It has the functions to prevent from midway sealing and to self-centralize,
what prevent the influence of pipe column off-center moving from casing on
the sealing effect of the packer.
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