Key points for the maintenance of clay layers after well drilling

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  1. Wellbore Inspection and Reinforcement: Strengthening the Foundation​
Clay’s expansion and contraction can crack or deform wellbores. Inspect monthly for signs of cracks, spalling, or collapse. If issues arise, seal cracks with high – pressure grouting. Add support structures if needed to boost stability and avoid structural damage.​
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  1. Dynamic Water Quality Monitoring and Purification: Ensuring Safety​
Minerals in clay seep into water over time, altering quality. Test quarterly with professionals, checking pH, hardness, heavy metals, and microbes. For subpar results, install filters or use purification methods to meet safety standards.​
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  1. Surrounding Environment and Equipment Maintenance: Sustaining Water Supply​
Control the well’s surroundings: set up a 5 – meter barrier, ban waste disposal, and restrict heavy vehicles. Service pumps semi – annually, checking impeller wear and wiring. Replace parts and clear sediment to keep the well running smoothly.
After successfully drilling a well in the clay layer, the subsequent maintenance work is crucial for ensuring the long-term stable use of the water well.