Float collar Float shoe Float collar Float shoe are mounted on the middle and end parts of casing string, the main purpose is to prevent the annulus grout pour back into the pipe string, the check valve can provided buoyancy and alleviate the drilling rig loading in the process of putting the casing pipe.
After cementing slurry displacement, float collar can also withstand cementing plug and achieve bumping.
Feature
-Ball valve type float collar float shoe
-The tongue plate type float collar float shoe
-Spring type float collar float shoe
-cement spring type float collar float shoe
-stab in type float collar float shoe
-Non-rotating type float collar float shoe
-self fill-uptype float collar float shoe
stab in type float collar (Inner plug seat)
For big size casing interpolate cementing process designed cemeing float collar. It designed with sealing plug seat,matching with inserted sleeve which connected with drilling pipe to achieve interpolation cementing technology
Features:
-Needn't big size cementing plug;
-reducing the pollution by cement contacts;
-reducing the drilling plug time as usual;
-Can drill by cone or PDC drill.
-Matching with dedicated inserted sleeve to use.
-All kinds of special thread are available.
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