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Power Slip

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Power Slip

The power slip is a hydraulic operating tool used in oil and gas drilling operations to hold drill pipes, drill collars, or casings. It is installed on the turntable, with its main body kept horizontal to facilitate the work of casing tongs. This tool addresses the potential back strains and fatigue that workers may experience when using manual slips, reducing labor intensity and improving work efficiency.

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  • Product Description
  • Power slips are hydraulically operated tools used to grip drill pipe, drill collars, or casing during oil and gas drilling operations. Mounted on a rotary table, the power slips maintain a level position with the rotary table, facilitating casing clamp operation. They eliminate the back strain and fatigue that can occur when using manual slips, reducing labor intensity and improving efficiency.

    Product Features:

    ★ Compact structure, requiring minimal floor space on the drill floor;
    ★ Slips are installed on the rotary table, eliminating the need for a separate work platform, ensuring a clean and safe working environment.

    NameTechnical Parameters
    Weight and DimensionsWeight of the main unit without slips1890kg
    Weight of slip assembly 23/8-103/4320kg
    Weight of slip assembly 113/4-117/8450kg
    Weight of slip assembly 123/4-14345kg
    Weight of single die plate carrier75~150kg
    Overall Dimensions of the MachineΦ1115×936 (including valve protection cover) Φ1115×851 (excluding valve protection cover)
    Rated ValuesRange of Pipe Columns23/8"~14"
    Maximum Load500ton
    Size of rotary table37.5
    Maximum vertical static load that the upper cover can withstand10ton
    Maximum anti-torque (related to the weight of drill columns)60kN·m (theoretical value)
    Applicable Pipe Column SizesOrdinary slip with die plate carrierUp to 111/8
    Ordinary guide ringUp to 111/8
    Special size slip body113/4~117/8, 123/4~14
    Special size guide ring113/4~14
    Hydraulic SystemHoseMinimum inlet pipe diameter is 3/8"; minimum return pipe diameter is 1/2"
    Return PipelineDirectly connected back to the oil tank to prevent excessive back pressure
    Minimum Working Pressure15MPa
    Maximum Inlet Pressure21MPa
    Power SourceMid-position without return oil, working pressure 17MPa, flow rate 40L/min
    Maximum allowable back pressure of the return line1.5MPa
    Hydraulic Oil ModelSAE class 3, ISO 15/12, NAS class 6
    Filtration Precision50μm
    Design TemperatureAmbient Temperature-20℃~55℃
    Maximum Oil Temperature60℃

Power Slip


The power slip is a hydraulic operating tool used in oil and gas drilling operations to hold drill pipes, drill collars, or casings. It is installed on the turntable, with its main body kept horizontal to facilitate the work of casing tongs. This tool addresses the potential back strains and fatigue that workers may experience when using manual slips, reducing labor intensity and improving work efficiency.

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