| Customization: | Available |
|---|---|
| After-sales Service: | Yes |
| Warranty: | 1 Year |
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The Quad-Power Revolution - Engineering the 1000-Metre Portable Threshold
For a generation, the ceiling for genuinely portable core drilling systems hovered around 600 to 800 metres. Deeper exploration required a painful compromise: abandon portability and mobilise heavy, road-dependent rigs, or stay shallow and leave the deep orebody untested. The GD-1000C shatters this ceiling through an audacious engineering leap - the Quad-Power Parallel Architecture. By synchronising four independent 55KW diesel power units into a single, cohesive hydraulic network, this machine delivers a staggering 220KW of installed power while preserving the human-scale modularity that defines the portable category. It is the first system to offer true 1000-metre wireline coring capability from a platform that breaks down into eight modules, the heaviest of which weighs just 165 kilograms.
The Quad-Power concept is deceptively simple but extraordinarily difficult to execute. Simply mounting four engines and pumps onto a manifold would produce hydraulic chaos-pressure surges, flow starvation, and destructive vibration. The GD-1000C resolves these challenges through a patented active-balancing synchronisation manifold that continuously equalises output pressures and phases pump pulses to achieve near-pulse-free combined flow of 150 litres per minute. This is not merely additive power; it is integrated power, delivering the smooth, proportional hydraulic response of a premium single-engine rig with four times the redundancy and infinitely more deployment flexibility. The driller experiences no judder, no lag, no unexpected pressure drops-just relentless, controllable force that advances the core barrel to 1000 metres with the same finesse as shallower drilling.
The depth capability of 1000 metres is strategically transformative. It unlocks the ability to evaluate deep-seated porphyry systems, test beneath thick sedimentary cover, and provide definitive geotechnical data for major infrastructure foundations. The GD-1000C achieves this with the same wireline tooling (BTW, NTW, HTW) and 1.5-metre rod lengths used by conventional deep-hole rigs, ensuring that core samples are directly comparable and laboratory-ready. The 180KN main hoist provides ample lifting power for the considerable weight of a 1000-metre string, while the 90KN hydraulic clamp and 10KN booster circuit ensure fast, safe rod handling at any depth. Every system is scaled to match the demands of kilometre-deep coring, yet the entire machine weighs only 2300 kilograms and breaks down into eight man-portable modules.
Portability at this performance level is achieved through obsessive weight optimisation. Each of the four power modules tips the scale at precisely 165 kilograms-a weight deliberately chosen to be manageable by two fit field personnel using simple handling aids. The compact footprint of 800mm × 630mm per power unit allows these modules to be transported through narrow mine adits, loaded into small helicopters, or even backpacked over short distances. The remaining four modules (feed frame, power swivel, control console, and rod handler) are similarly weight-optimised, ensuring that no single component exceeds the two-person lift threshold. Assembly is guided by colour-coded, keyed quick-connect couplings that make incorrect connection physically impossible; a trained two-person crew can transition from shipping cases to drilling in under two hours.
The Quad-Power architecture delivers an unexpected dividend: unprecedented operational redundancy and fuel flexibility. Because the four engines operate in parallel, the GD-1000C can function with one, two, three, or four active power units depending on depth and formation hardness. For shallow reconnaissance to 300 metres, a single 55KW engine provides ample flow at minimal fuel consumption and near-silent operation. As depth increases and harder rock is encountered, additional engines are brought online via simple isolation valves, instantly boosting available power to 110KW, 165KW, or the full 220KW. This scalability transforms the GD-1000C into four rigs in one modular kit, allowing project managers to match power expenditure precisely to task requirements and stretch fuel budgets further than any fixed-power competitor.
Redundancy is built into every drop of hydraulic fluid. If one power unit requires maintenance or experiences an unexpected shutdown, the remaining three units continue to supply flow. Drilling continues without interruption-only maximum available hoist speed is slightly reduced. In remote exploration camps where a single engine failure on a conventional rig would abort the hole and trigger an expensive service call, the GD-1000C simply keeps drilling. The faulty module can be isolated, diagnosed, and repaired in the field, or swapped for a spare unit in under 30 minutes. This fault-tolerant design transforms downtime from days to minutes, directly protecting the substantial investment represented by each 1000-metre borehole.
The hydraulic system itself is engineered for the sustained demands of kilometre-depth coring. The main pump delivers 150 litres per minute at operating pressures up to 7 MPa, providing ample margin for high-torque rotary drilling and fast hoisting cycles. The large-diameter hoist drum stores 1000 metres of 6mm wireline rope, optimised for minimal friction and long service life. The hydraulic rod clamp develops 90KN of gripping force-more than sufficient to securely hold the fully loaded string-while the 10KN booster circuit delivers hydraulic muscle for breaking even the tightest connections. All hydraulic functions are proportional, enabling the driller to inch the string up or down with millimetre precision, a critical requirement for avoiding core blockages and preserving sample integrity at extreme depth.
Environmental adaptability is a core design pillar. The standard diesel power units are turbocharged and altitude-compensated, maintaining full power output up to 4500 metres above sea level. For operations in environmentally sensitive areas, the GD-1000C accepts electric power modules that deliver identical hydraulic performance with zero emissions and near-silent operation. This dual-source flexibility allows the same base rig to work in urban brownfields, underground mines, and pristine wilderness without modification. The hydraulic system uses biodegradable oil as a standard option, and all hoses are fitted with spill-proof quick couplings that prevent fluid loss during module changes.
The GD-1000C is not merely an incremental improvement; it is a categorical redefinition of what is possible with portable drilling equipment. It delivers the depth, power, and sample quality of a 20-tonne truck-mounted rig from a 2.3-tonne modular system that fits in a single light truck or helicopter sling load. It replaces logistical vulnerability with expeditionary independence, single-point failure risk with Quad-Power redundancy, and rigid power ratings with scalable, on-demand performance. For exploration managers confronting the world's deepest, most remote targets, the GD-1000C is the tool that finally closes the gap between ambition and achievement.
GD-1000C Quad-Power Technical Specifications
| Parameter | Specification |
|---|---|
| DRILLING CAPACITY | |
| Maximum Depth (Wireline) | 1000 Metres |
| Core Barrel System | BTW, NTW, HTW |
| Rod Length | 1.5 Metres |
| Feed Stroke | 1.8 Metres |
| POWER SYSTEM | |
| Architecture | Quad-Power Parallel Synchronised |
| Engine Options | Yunnei / Yuchai / Hanqing Diesel (55/58/42KW per unit) |
| Total Installed Power | Up to 220 KW (4 × 55KW) |
| Individual Power Unit Weight | 165 kg |
| Power Unit Dimensions | 800 × 630 mm |
| HYDRAULIC PERFORMANCE | |
| Combined Flow | 150 Litres/Minute |
| Operating Pressure | 2.5 - 7.0 MPa |
| Transmission | Full Hydraulic, Proportional Control |
| HOISTING & CLAMPING | |
| Main Hoist Pull | 180 Kilonewtons |
| Booster Force | 10 Kilonewtons |
| Hydraulic Clamp Force | 90 Kilonewtons |
| Wireline Rope Capacity | 1000 Metres (6mm diameter) |
| MODULAR DEPLOYMENT | |
| Total Modules | 8 |
| Total System Weight | 2300 kg |
| Heaviest Module | 165 kg (Power Unit) |
| Assembly Time (2 persons) | < 2 Hours |
| OPERATIONAL FLEXIBILITY | |
| Power Modes | 1, 2, 3, or 4 Engines Active |
| Altitude Capability | 4500m (turbocharged) |
| Power Source Options | Diesel or Electric |
| APPLICATIONS | Deep Mineral Exploration, Geotechnical Investigation, Environmental Monitoring, Research Drilling |
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