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Why water do not come out from the reservoir after drilling?

Release Time: 2025-07-29
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Encountering the problem of a water well not producing water not only delays the construction period but also may result in cost waste. As a world-leading manufacturer of water well drilling rigs, UNIQUE, with 30 years of core technical accumulation, solves well-drilling problems from the root — we not only provide equipment but also deliver the certainty of “having water”.

Decoding Well Drilling Failures: 90% of Problems Can Be Avoided by Equipment Advantages

1. Geological Dilemmas? UNIQUE Drilling Rigs Break Through with Technology

  • Dual Challenges of Low Water Level and Hard Rock: For deep water extraction below 30 meters in arid areas, ordinary drilling rigs often get stuck due to insufficient power. UNIQUE is equipped with a patented dual-speed hydraulic system, with a torque of up to 8000N・m, combined with a 6-meter long-stroke drill pipe, achieving 200 meters of hard rock drilling per day, which is 40% more efficient than the industry standard.
  • Adaptability to Complex Rock Formations: For dense rock formations such as granite, UNIQUE’s exclusive alloy drill bits adopt a honeycomb cutting tooth design with a hardness of HRC65. The single footage life is 3 times longer than that of ordinary drill bits, enabling efficient rock breaking without blasting.
  • Data Evidence: Tracking by the China Geological Survey shows that the failure rate of projects using UNIQUE water well drilling rigs due to geological misjudgment is only 3%, far lower than the industry average of 20%.

2. Operational Errors? Intelligent Systems Escort the Entire Process

  • Millimeter-Level Depth Control: UNIQUE is equipped with an IoT depth sensor, which displays the drilling depth in real-time with an error of ≤5cm, eliminating the problem of insufficient well depth caused by manual measurement.
  • Automatic Verticality Calibration: The built-in gyroscope guidance system automatically alarms and corrects when the wellbore deviation exceeds 0.5°, ensuring the verticality of the well body and avoiding the loss of aquifers due to deviation.

3. Equipment Bottlenecks? Full-Link Quality Control

  • Power Matching Solution: UNIQUE provides customized water pump combinations ranging from 5.5kW to 37kW. Through intelligent pressure regulation technology, it ensures the best power closed-loop with the drilling rig, increasing water output by 25% compared to mismatched equipment.
  • Maintenance-Free Water Filtration System: Adopting 316L stainless steel filter screen + nano-coating technology, the anti-corrosion life reaches 10 years, with a self-contained backwash function, reducing the blockage rate by 90%.

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UNIQUE Exclusive Solutions: Not Just Solving Problems, but Preventing Them

1. Implanting Advantages in the Survey Stage

  • Provide exclusive “3D hydrological model” service, combined with drilling rig parameters to generate the optimal drilling path. Combined with electrical prospecting instrument detection data, the accuracy of aquifer positioning is increased to 98%.
  • Free on-site assessment by geological engineers is provided to recommend drill bit models according to rock hardness, avoiding equipment selection errors.

2. Dynamic Optimization of Construction Plans

  • Depth Adaptive Technology: The drilling rig can automatically adjust drilling parameters according to real-time cuttings analysis, and automatically slow down in the aquifer area to avoid excessive drilling and cost waste.
  • Modular Well Diameter Design: The same drilling rig can quickly replace 3 types of diameter drilling tools (150-500mm) to meet different water output requirements, increasing equipment utilization by 60%.

Choosing UNIQUE is not just choosing a drilling rig, but a full-process solution “from survey to water production”. Currently, more than 12,000 users worldwide have successfully solved water shortage problems through our equipment. Click to get your customized drilling solution and make every well a reliable one.

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