Core samples provide some of the most reliable geological information during exploration projects. By analyzing underground rock formations, engineers and geologists can better understand mineral distribution, ground conditions, and resource potential. Therefore, core drilling remains one of the most widely used methods in mining exploration, geotechnical investigation, and geological research.
As exploration projects move into deeper and more challenging formations, equipment performance becomes increasingly important. Modern coring rigs help operators achieve accurate drilling results while improving productivity on site. YG Machinery develops hydraulic drilling solutions that combine efficient operation, stable performance, and high core recovery, making them suitable for a wide range of exploration applications worldwide.
A hydraulic core drill uses hydraulic power to drive drilling operations. Compared with traditional mechanical systems, hydraulic technology provides smoother performance and better drilling control. As a result, operators can achieve stable drilling results in different geological formations.
Coring Rigs Parameters
| Model | YGX-400 | YGX-600 | YGX-800 | YGX-1000 |
| Drilling Depth(M) | 180-400-500 | 200-600-650 | 400-800-1000 | 500-1000-1100 |
| Rated pressure(MPA) | 21 | 21 | 25 | 28 |
| Rated Flow(L/min) | 168 | 192 | 260 | 300 |
| Heat Dissipation Mode | Air cooling+water cooling | |||
| Engine Brand | Yuchai | Yuchai | Yuchai | Cummins |
| Rated power/speed | 78kW/ 2400r/min | 92kW/ 2400r/min | 92kW/ 2400r/min | 154kW/2400r/min |
| Drilling Angle(°) | 0-90 | 45-90 | 45-90 | 45-90 |
| Lifting Force(T) | 12 | 16 | 24 | 30 |
| Feed Force(T) | 6 | 8 | 12 | 15 |
| Hydraulic Mud pump flow | 30-90（L/min） | 30-90（L/min） | 90-180（L/min） | 90-180（L/min） |
| Hydraulic Mud pump power | 4-7(MPA) | 4-7(MPA) | 4-7(MPA) | 4-7(MPA) |
| Dimension | 4000*1900*1800mm | 4000*2000*1800mm | 5500*2100*2000mm | 6000*2200*2400mm |
| Weight | 4.3T | 4.5/5.5T | 6.5T | 7.5T |
YG Machinery offers multiple configurations to meet different project requirements. Customers can choose drilling depths, drilling tools, and coring systems according to site conditions. The machines are compatible with NQ, HQ, NTW, and HTW wireline coring tools.
How Do Coring Rigs Work?
1. Site Preparation:Before drilling begins, operators prepare and level the work area. Next, they position the machine and adjust the mast angle according to drilling requirements. A properly prepared site improves drilling accuracy and operational safety.
2. Casing Installation:Loose surface layers may collapse during drilling. Therefore, operators install casing before starting the drilling process. The casing stabilizes the borehole and protects drilling operations from unexpected ground movement.
3. Drilling Operation:The hydraulic power head rotates the drill string while the mud system circulates drilling fluid. The fluid cools the drill bit and removes cuttings from the hole. As drilling progresses, operators add drill rods to reach greater depths.
4. Core Recovery:After a drilling run is complete, the wireline system retrieves the inner tube containing the core sample. This method saves time because operators do not need to remove the entire drill string during each recovery cycle.
5. Borehole Completion:Once drilling is finished, operators remove the drill rods and casing. Finally, they seal the borehole and restore the site according to project requirements.
Standard Operating Procedure for Core Rig Drill
1. Pre-Operation Inspection:Every core rig drill should undergo a complete inspection before operation. Operators check hydraulic hoses, drilling tools, the engine, and safety systems. Regular inspections help reduce unexpected downtime.
2. Equipment Setup:The machine should be positioned on stable ground. Operators then level the rig and secure the crawler tracks. Proper setup improves drilling precision and equipment stability.
3. Drilling Execution:During drilling, operators monitor hydraulic pressure, drilling speed, and mud circulation. Continuous monitoring helps maintain efficient drilling performance and protects equipment components.
4. Core Collection and Documentation:Recovered core samples require careful handling. Each sample should be labeled and recorded accurately. Detailed documentation supports geological analysis and project reporting.
5. Equipment Shutdown:After drilling, operators clean the machine and inspect key components. Routine maintenance extends equipment life and helps maintain reliable performance.
Hydraulic Core Drill Safety Guidelines
1. Personal Protective Equipment:Workers should wear safety helmets, protective footwear, gloves, and eye protection. Proper safety equipment helps reduce workplace risks.
2. Equipment Inspection:Before operation, technicians should inspect hydraulic systems, winches, drill rods, and emergency stop devices. Early detection of problems helps prevent accidents.
3. Safe Drilling Practices:Operators should monitor drilling pressure continuously and avoid excessive loads. Good communication among team members also improves job site safety.
4. Environmental Protection:Responsible drilling practices include proper mud management and waste disposal. In addition, boreholes should be sealed according to local regulations when work is complete.
5. Emergency Response Planning:Every project should have emergency procedures in place. Workers should understand how to respond to hydraulic leaks, equipment failures, and unexpected site conditions.
Core Rigs for Sale Advantages
1. High Core Recovery Rate:YG drilling systems use advanced wireline technology to obtain high-quality core samples. Better sample integrity helps improve geological analysis and resource evaluation.
2. Stable Hydraulic Performance:The hydraulic system provides smooth operation and precise control. Consequently, operators can adapt drilling parameters to changing ground conditions.
3. High Drilling Efficiency:High rotation speed and strong lifting capacity improve penetration rates. Faster drilling often reduces project timelines and labor costs.
4. Easy Transportation:Crawler-mounted designs allow convenient movement across uneven terrain. The compact structure also simplifies transportation between job sites.
5. User-Friendly Operation:The control system is easy to learn and operate. Meanwhile, hydraulic controls help reduce operator workload during long drilling projects.
6. Adaptability to Different Formations:The equipment performs well in hard rock, fractured formations, and complex geological environments. Therefore, it suits a wide range of exploration applications.
Buy YG Core Rigs for Sale
Demand for reliable core rigs for sale continues to grow as mining and infrastructure projects expand worldwide. Companies increasingly prefer hydraulic drilling equipment because it offers improved productivity, lower maintenance requirements, and better operational control.
YG Machinery has supplied drilling equipment to customers across Asia, Africa, the Middle East, North America, and South America. We provide customized solutions based on drilling depth, geological conditions, and project objectives. Our team also offers technical support, spare parts assistance, and professional after-sales service.
If you are looking for dependable coring rigs for mineral exploration, geological investigation, or engineering projects, YG Machinery can provide a suitable drilling solution for your requirements. Contact us today for technical consultation and a competitive quotation.
In addition to coring rigs, YG Machinery also supplies small water well drilling rigs, crawler down-the-hole drilling rigs, horizontal directional drilling machines, rotary drilling rigs, and down-the-hole drilling equipment to support various drilling and foundation construction projects worldwide.
