Yunnan Yuxi Client Feedback: XH1200 Rig Achieves 98% Core Recovery at 860m
This case details the performance of the XH1200 core drilling rig in a mineral exploration project in Yuxi, Yunnan.
The Challenge: Deep Holes in Complex Geology
The project required drilling an 860m core hole in challenging strata: surface weathered sandstone, mid-depth hard limestone, and multiple fractured zones below 600m prone to collapse and core loss.
Client Feedback: Performance That Met Key Demands
The hydraulic core drilling machine delivered on two critical fronts for geological exploration:
1.Efficiency & Depth Achieved
The XH1200 completed the 860m hole in 21 days, 3 days ahead of schedule. Its adaptable drilling parameters and stable power output handled the varying rock hardness effectively.
2.Exceptional Core Recovery
Most importantly, the rig achieved an average core recovery rate of 95.3%, crucially maintaining an 88% rate in the deep fractured zones. This high-quality core sample is vital for accurate resource assessment.
Why the XH1200 Was the Right Choice？
- Geology-Adaptive Drilling: Capable of adjusting speed and pressure for different layers, including stable operation in fractured zones.
- Built for Stability: Its crawler chassis and hydraulic leveling legs provided secure operation on the 15° mountainous slope.
- Reliable in Tough Conditions: With IP67-rated components and a high-temperature resistant hydraulic system, it ensured continuous operation in Yuxi's humid, rainy climate.
The Client's Conclusion
For deep-hole core drilling (500-1000m) in complex, fractured geology like ours, the XH1200 was the right tool. It delivered the depth, the core quality, and the reliability we needed,” stated the Project Manager.
Looking for a reliable partner for your exploration drilling?
As experienced core drilling rig manufacturers, we provide robust solutions like the XH1200 for demanding projects. Contact us to discuss your specific geological challenges.
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With 16 years of experience in hydraulic technology, Xinhau Drilling Rig is a global expert in exploration and water well drilling solutions.
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