DMS Casing anchor can anchor the casing bottom and formation together in well bore. It can give the prestressing force to casings in well cementing operation after installing this device. This prestressing force can be kept after the solidification of cement, so that it can avoid or reduce the damage of casing in high temperature drilling. It is the necessary downhole tool to lift the casing prestressing force in high temperature well. It used more reliably in loose expanding formation, deep shrinkage hole and irregular hard hole.
Our casing anchor has two stages structure. It mainly consists of main body, double check valve assembly, center pipe and pipe connecting group, first stage anchoring hand, second anchoring hand and guide shoe.
Specification: For 5-1/2" ~ 9-5/8" casing
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