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    產品中心

    分級箍

    產品名稱

    分級箍

    產品簡介:

     

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    雙級注水泥器附件

      STAGE CEMENTER PLUG SYSTEM
     
    MSC-A型和HSC-A型雙級注水泥器附件包括:撓性塞、重力型打開塞(簡稱重力塞)、關閉塞、碰壓座、頂替型打開塞(簡稱頂替塞)。這些零件由膠塞及鋁合金材料制成,均具有良好的可鉆性。
     
    關閉塞
    Closing Plug
     

    The accessories of MSC/HSC Stage Cementer include a first-stage plug, free-fall opening plug, closing plug, shut-off baffle and pumping-down opening plug. Being made of rubber or aluminum, these parts are drillable.

     
     
    1、碰壓座用于撓性塞碰壓,一般放置于浮箍以上的一根套管接箍中。
    2、撓性塞用于隔離水泥漿和鉆井液,第一級替量到位后,形成碰壓。
    3、重力塞為流線形,內部裝有鉛,投塞后快速自由下落至下滑套上并形成密封。憋壓后打開循環孔。
    重力型打開塞
    Free-fall Opening Plug
     

    4、關閉塞用于隔離第二級水泥漿鉆井液,當其運行至上滑套位置時形成密封。繼續加壓,關閉套下行,循環孔關閉。

    5、頂替型打開塞用于連續式雙級注水泥作業,也適用與在斜井中使用。它可直接打開循環孔,而不像重力塞那樣需要較長等待下落時間。
     
    1. The shut-off baffle is installed in the casing collar, one joint above the float collar.

    1.     

    撓性塞
    First-Stage Plug
     

    The first-stage plug is used to isolate the first-stage cement and drilling fluid. On the end of displacement,the first-stage plug lands and effects a seal against the shut-off baffle.

    3. Featuring streamline shape and filled with lead, the free-fall opening plug can quickly free-fall to the lower sliding sleeve. When pressure is applied to the casing, it can open the circulation ports.
    碰壓座
    Shut-Off Baffle
     

    4. The closing plug is used to isolate the second-stage cement and drilling fluid. When running to the upper sliding sleeve, it effect a seal in the stage cementer. Pressure is applied to the casing and the circulation ports are closed.

    5. The pump-down opening plug is used for continuous cementing operation and in deviated wells. It can open the circulation ports directly and quickly, whereas the free-fall opening plug needs longer time waiting for falling.
    頂替型打開塞
    Pumping-Down Opening Plug

     

     

     

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