casing centralizer-j9九游国际真人

casing centralizer

2015/12/16 viewers
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         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 is simple structure,flexible piston and good tightness.small od makes it is not easy to be blocked. 

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