relief well
industry
Quick Summary
A relief well is a vertical drain used to remove excess water from deep underground layers, preventing waterlogging of the soil above. This process is crucial in industries like oil and gas extraction. For instance, during the Deepwater Horizon oil spill, relief wells were drilled to intersect the damaged well and pump cement, permanently sealing the leak. This method is a vital part of well control and environmental remediation efforts in the industry.12
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