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浮箍浮鞋

FC型浮箍外壳采用35CrMo合金钢，内部零件皆由可钻性材料制成。可用于直井、大斜度井和水平井。其防回压能力大于25MPa

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FC型浮箍

FC FLOAT COLLAR

FC型浮箍外壳采用35CrMo合金钢，内部零件皆由可钻性材料制成。可用于直井、大斜度井和水平井。其防回压能力大于25MPa

The FC Float Collar is run in a casing assembly, usually several joints above the Float Shoe. It serves as an extra back pressure valve sealing against pressures from blow while running the assembly and after the cementing job. Internal latch and valve are readily drillable. Its capability of back-pressure is over 25MPa.

规格 Specifications

Φ508、Φ339.7、Φ273、Φ244.5、Φ177.8、Φ139.7、Φ127、Φ114.3、Φ101.6、Φ88.9

20"、13⅜"、10¾"、9⅝"、7"、5½"、5"、4½"、4"、3½"

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浮箍+浮鞋

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