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 With an optimum structure and high-level integration, the whole rig requires a small working space.
 The heavy-duty self-propelled chassis are available in various drive ways 8×6, 10×8, 12×8, 14×8, 14×12, with hydraulic steering system which ensures good drilling accessibility, cruise capability and lateral stability, and also the working reliability of every component.
 The matching between the engine and the transmission box ensures high driving efficiency and high working reliability. The drawworks and rotary tables can be driven by motors.
 The drilling rig main brake can be band brake or hydraulic disc brake, and the auxiliary brake can be water cooling thrust plate pneumatic brake or water brake.
 The rotary table transmission box provides forward-reverse shift, which is suitable for DP make up and break out operations, and is equipped with a reverse torque release device that ensures the DP deformation force releases safely.
 The mast, which is front-open and double-sectioned with an inclination angle or with an erective double-section, can be raised up or laid down and telescoped hydraulically.
 The drill floor is twin-body telescopic type or parallelogram structure, which is convenient for hoisting and transportation. The dimension and height of the drill floor can be designed based on customers’ requirements.
 The configurations of the solid control system, well control system, high-pressure manifold system, generator house, engine pump house, doghouse and other auxiliary equipment can meet the different requirements of the end-users.
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