Description

• Type: Rotary Drilling Rig, specifically designed for deep water wells.
• Mobility: Crawler-mounted (tracks) for excellent off-road capability and maneuverability on difficult terrain.
• Control System: Full hydraulic control for most operations, often with a centralized control console. Some models may feature intelligent control systems.
• Power Type: Diesel engine.

Drilling Capabilities:

• Drilling Depth: Capable of drilling to significant depths, with “1000” in the name often indicating a depth class. Search results show models within this series, like the XSL20/1000, can aim for depths up to 2000 meters (though this can vary based on drill pipe diameter and formation).
• Drilling Diameter: Can handle a range of borehole diameters, with some sources indicating up to around 610mm or more at the working floor, and specific drilling diameters like 300mm being common.
• Versatile Drilling Methods: Designed to use various drilling techniques suitable for different geological formations:
  • Mud Drilling: For most strata.
  • Air Drilling: For fractured formations, offering faster speeds.
  • Air Foam Drilling: Suitable for rock formations, helping to maintain well integrity.
• Top Drive System: Utilizes a top-drive power head to rotate the drilling tools. This system typically offers:
  • High torque (e.g., up to 31500 N.m or more, often with multiple speed/torque settings).
  • Variable rotation speeds (e.g., up to 105/155 r/min).
  • A large spindle diameter for efficient cuttings removal and compatibility with reverse circulation.

Key Components and Systems:

• Mast/Derrick: A robust, tall structure to guide and support the drilling operations. It’s designed for stability and may have a significant stroke length (e.g., around 15200mm). Some models feature a gap-adjustable telescopic drill collar for long casing construction.
• Feeding System: Powerful hydraulic system for feeding and hoisting the drill string:
  • Max Lifting Capacity (Pullback): Significant force, for example, around 1000 kN.
  • Max Feeding Capacity (Pulldown): Substantial force, for instance, around 260 kN.
  • Rapid Lifting/Lowering Speeds: Efficient speeds like 43 m/min for lifting and 50 m/min for lowering.
• Engine: Equipped with a powerful diesel engine (e.g., rated around 405 kW, with specific engine models like TAD1650VE or Cummins QSX15-C600 mentioned in various listings).
• Hydraulic System: Advanced hydraulic system with features like:
  • High system efficiency through unique hydraulic matching technology.
  • Integrated visualization for pressure and decompression feed systems, allowing fine adjustment of drilling pressure.
• Stabilizers: Four hydraulic high supporting legs (outriggers) for rapid leveling and stabilization of the rig.
• Winches: Typically includes a main winch and a tool winch with varying capacities (e.g., main winch around 50 kN, tool winch around 15 kN).
• Breakout Device: For making and breaking drill pipe connections, with high breakout torque (e.g., 95000 N.m).
• Chassis: Robust crawler chassis designed for all-terrain use with a certain climbing gradient capability (e.g., 39%).

Operational Aspects & Applications:

• Applications: Widely used for:
  • Hydrological and water well drilling.
  • Resource exploration (e.g., coalbed methane, shallow shale gas, geothermal energy).
  • Coal mine gas exploitation or salvage/rescue work.
• Efficiency: Designed for high drilling efficiency, speed, accuracy, and reliability, even in challenging geological conditions.
• Core Components Often Listed: Motor, pressure vessel, pump, PLC, gear, bearing, engine.

Dimensions & Weight (Approximate and can vary):

• Weight: Typically in the range of 47.5 to 53 tons.
• Transportation Dimensions (L x W x H): Around 14400mm x 3000mm x 3600mm.
• Working Dimensions (L x W x H): Around 8800mm x 4500mm x 22090mm (with mast raised).