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| Warranty: | 1 Year |
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The Technical Evolution for Deeper Targets
The pursuit of subsurface resources and critical engineering data often leads to progressively deeper and more complex drilling objectives. This evolution in project scope demands a corresponding advancement in drilling technology-a platform engineered not just for depth, but for the sustained power and control required at depth. The GD-800L Fully Hydraulic Core Drilling Rig represents this critical step forward, a machine architected to bridge the gap between mid-range and deep-hole exploration with unwavering reliability and precision.
At the heart of this capability is a significant enhancement in motive power and torque delivery. Engineered to overcome the increasing resistance encountered in extended boreholes, the GD-800L is equipped with a high-output diesel engine, providing the continuous hydraulic power necessary for 800-meter operations. This power is translated into exceptional downhole force through a high-torque plunger motor, expertly paired with a multi-speed transmission system. This combination provides the operator with a broad and powerful drilling envelope: immense, gear-selected torque for breaking through tough, abrasive formations, and optimized speeds for efficient progress in softer strata, ensuring consistent performance throughout the entire depth profile.
Stability is the non-negotiable foundation of deep, accurate drilling. The rig employs a heavy-duty, ground-contact integrated tower engineered to handle the substantial stresses of deep-hole coring. This robust structure works in concert with a powerful feed system, delivering over 18 tons of controlled downward force to maintain positive bit engagement and prevent stall conditions, even at the bottom of an 800-meter hole. This combination is crucial for maintaining borehole trajectory, minimizing deflection, and ensuring the drill string advances reliably toward the target depth.
Navigating the logistical challenges of deep-site exploration is integral to its design. The GD-800L features a robust, steel-track undercarriage built for durability and superior traction across long-term projects in rough terrain. This track system, operable via remote control, allows for precise positioning and stable setup on uneven ground, minimizing site preparation and enabling the rig to be a self-contained unit at remote locations. Furthermore, the hydraulic system incorporates a sophisticated safety architecture, including automatic anti-accident protocols and a fail-safe rod clamping system. These features are paramount for protecting both personnel and equipment during the intensive, repeated handling of long drill strings inherent to deep-hole operations, safeguarding project continuity and sample integrity.
| GD-800L Core Performance & Specification Table |
| :--- | :--- |
| DRILLING CAPACITY ||
| Maximum Operational Depth | 800 Meters |
| Applicable Drill Pipe Sizes | PQ, HQ, NQ, BQ Series |
| Standard Pipe Length | 1.5 / 3.0 Meters |
| POWER SYSTEM ||
| Engine Configuration | High-Power Industrial Diesel Engine |
| Drilling Drive System | Fully Hydraulic, Plunger Motor with Multi-Speed Gearbox |
| Maximum Output Torque | 2600 N.m (designed for deep-hole penetration) |
| ROTARY & FEED PERFORMANCE ||
| Rotational Speed Range | 0-1300 RPM, with gear-selected ranges |
| Tower Design | Heavy-Duty, Ground-Contact Integrated |
| Maximum Feed/Breakout Force | 18+ Tons |
| Drilling Angle Range | 0 - 90 Degrees |
| HYDRAULIC & FLUSHING SYSTEM ||
| Hydraulic System Pressure | High-Pressure Circuit for demanding operations |
| Integrated Mud Pump | High-Flow pump for effective hole cleaning at depth |
| Cooling Method | Advanced air-cooled or optional system |
| MOBILITY & CHASSIS ||
| Undercarriage | Heavy-Duty Steel Track System |
| Control | Manual + Remote Control Operation |
| HOISTING & LOGISTICS ||
| Auxiliary Hoist Capacity | Rated for deep-hole tool string handling |
| Wire Rope Capacity | 800+ Meters |
| SAFETY SYSTEMS | Comprehensive Anti-Accident Protection, Automatic Fail-Safe Rod Gripper |
| PHYSICAL PROFILE | Robust design with weight and dimensions optimized for 800m capability transport |
In summary, the GD-800L is a testament to focused engineering evolution. It provides the elevated power profile, deep-hole stability, and resilient construction necessary to transform challenging 800-meter geological targets into a continuous flow of high-fidelity core samples, delivering the definitive data required for confident resource assessment and major engineering decisions.
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