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DD-25DC Truck-mounted Drilling Rig

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DD-25DC Truck-mounted Drilling Rig

Using a truck-mounted host + module design technical solution, the rapid response capability is outstanding. Once a rescue mission is received during the construction process, it can depart within two hours and reach the rescue site to start drilling within two hours.

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    Drilling Construction CapabilityDrilling Depth (φ114mm Drill Pipe)2500m
    Maximum Opening DiameterΦ1200mm
    Maximum Static Hook Load1500kN
    Maximum Drill String Weight750kN
    Top Drive Pressurization Capability200kN (including top drive self-weight)
    Applicable Drill Tool Length 13.3m
    Traveling SystemHook Speed at Low Gear0~0.314m/s (stepless speed regulation)
    Hook Speed at High Gear0~0.667m/s (stepless speed regulation)
    Effective Rope Number6×7
    Wire Rope DiameterΦ24mm (Grade 1870)
    Top DriveStructural FormRare Earth Permanent Magnet Synchronous Motor Direct Drive
    Speed0~200r/min (stepless speed regulation)
    Drilling Torque22kN.m (continuous)
    Maximum Breaking out Torque35kN.m (intermittent)
    Rated Load1500kN
    Rated Power235kW
    Mud Channel DiameterΦ105mm
    Mud Channel Pressure35MPa
    Main DrawworksStructural FormAC Variable Frequency Motor + Two-Stage Gearbox
    Maximum Input Power315kW
    Fastline Speed (Low Gear)0~3.767m/s
    Fastline Speed (High Gear)0~8m/s
    Fastline Tension (Low Gear)125kN
    Fastline Tension (High Gear)62.5kN
    Main Brake TypeEnergy Consumption Brake
    Safety BrakeHydraulic Disc Brake
    Automatic DrillingDrilling Speed0~0.01m/s (traveling hook speed)
    Drilling Accuracy≤3kN
    Drilling ModeConstant Pressure or Constant Speed
    MastStructural TypeTwo-Section Telescopic Design
    Rated Load1500kN
    Effective Height20m
    Drilling PlatformHeight of Drill Floor2.2m
    Rated Load1500kN
    Main Carrier RigStructural Form10×10 Special Chassis
    Emission StandardNational VI

    Professional Emergency Rescue

    This truck-mounted drilling rig is specially designed for emergency rescue, featuring the following technical characteristics:

    ① Adopting the technology scheme of truck- mounted main body+modular design, the rapid response capability is outstanding. Once a rescue task is received during the construction process, it can be dispatched within two hours, and drilling can be started within two hours upon arrival at the rescue site;

    ② Maximum opening diameter of 1.2m, maximum lifting and load capacity of 1800kN, facilitating the construction of large-diameter rescue holes;

    ③ Top drive continuous drilling torque of 22kN.m, maximum torque of 35kN.m, maximum lifting speed of the traveling block is 0.667m/s, providing rapid hole formation capability for large-diameter drilling.

    ④ It can be equipped with drilling pumps or air compressors according to process requirements. In addition to mud circulation, it can also be suitable for air-lift reverse circulation, positive circulation down-the-hole hammers, reverse circulation down-the-hole hammers, and other air (foam) drilling processes, meeting the complex working conditions required for emergency rescue.

    ⑤ Adopt "suspended drilling" process, with constant pressure automatic drilling accuracy ≤3kN, effectively controlling well deviation, reducing correction times, and achieving rapid and accurate tunnel penetration.

    Wide Application Fields

    This truck-mounted drilling rig has large lifting capacity (1800kN), large hole diameter (1.2m), and large drilling torque (35kN.m), providing strong construction and accident handling capabilities. In addition to emergency rescue, it can also be applied to grouting holes in coal mines within 3000 meters, geothermal wells, oil and gas wells, and large-diameter drilling construction within 1000 meters.

    It is equipped with a 2.2m (height customizable) drilling platform, facilitating the installation of grouting joints at the wellhead during grouting hole construction; convenient for loading and unloading large diameter drill bits during large-diameter drilling; and can install blowout preventers at the wellhead during oil and gas well construction.

    Energy Saving, Safe, and Efficient

    ① The truck-mounted drilling rig is equipped with drilling pumps, top drives, and main hoists, all using AC variable frequency electric drive. Among them, the top drive and drilling pump adopt rare earth permanent magnet synchronous motor direct drive technology, which is more efficient than hydraulic drive. When using grid electricity, energy savings can reach over 60%. When using diesel generators without grid electricity, energy savings can reach 10% to 30%, being green and environmentally friendly, effectively reducing carbon emissions.

    The truck-mounted drilling rig is equipped with digital detection technology and a complete safety protection program (triple brakes, two collision prevention systems, etc.), helping the driller monitor downhole parameters (drilling pressure, well depth, mud flow rate, mud pressure, drill bit torque, rotation speed, etc.) and equipment operating status (temperature at key points, voltage and current of the motor, etc.), effectively preventing downhole accidents. It also comes with a complete drill string handling system, which can effectively prevent accidents during wellhead operations.

    The truck-mounted drilling rig adopts a two-speed drawworks + elevator link and elevator mode for tripping in&out, where the top drive spindle does not need to be connected to the drilling tools. Compared to the full hydraulic drilling rig's power head tilting mode, the efficiency of tripping in&out operations can be improved by more than 20%, and it can also avoid frequent disconnections that cause damage to the threads of the drilling tools, thus extending the life of the drilling tools.

    High Degree of Automation

    The truck-mounted drilling rig is equipped with dual-position driller control cabin, and the main drawworks, top drive, and drilling pump use AC variable frequency electric drive. The top drive and drilling pump also use water cooling technology, which can significantly reduce noise at the construction site and effectively improve the working environment for the driller and wellhead workers.

    The truck-mounted drilling rig has two automatic drilling modes: constant pressure and constant speed, and is equipped with a complete automatic drill string handling system. With 2 drillers and 1 wellhead assistant (monitoring equipment operation), the drilling rig can operate normally. The degree of automation is very high, which can greatly reduce the heavy physical labor caused by frequent lifting and lowering of this single operation drilling rig.

DD-25DC Truck-mounted Drilling Rig


Using a truck-mounted host + module design technical solution, the rapid response capability is outstanding. Once a rescue mission is received during the construction process, it can depart within two hours and reach the rescue site to start drilling within two hours.

If our products can meet your needs, welcome to contact us.

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