casing centralizer
2015/12/16 viewers
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introduction
casing centralizer is mainly used for centralizing of the well which needs 4”casing because of the deformation of 5 l／2”casing and sidetracking well.casing centralizer is mainly composed of main body,slip centralizer bush,piston and self-blocking mechanism and so on.it is simple structure,flexible piston and good tightness.small od makes it is not easy to be blocked.
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