float collar and shoe
2016/2/17 viewers
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introduction
casing float collar is mainly composed of spoiler,floating ball,the shell and the basket four parts.casing float shoe is mainly composed of the spoilers,float,housing,guide shoe and basket five parts.spoiler center hole and float with the cone,can reverse the sealing fluid;basket for supporting the float,circulating wash well.adjust the drilling fluid properties,cementing job,the basket supporting float,float collar in the conduction state,the fluid can freely pass;after the injection casing and cementing operations,float collar reverse pressure,float and spoiler with sealing surface can prevent fluid back flow,play reverse seal.
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