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冲击钻井

289 bytes added, 23:45, 23 October 2015
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{{Language-box|english_link= Percussion drilling | french_link= Coming soon | spanish_link= Coming soon | hindi_link= Coming soon | malayalam_link= Coming soon | tamil_link= Coming soon | korean_link= Coming soon | chinese_link=冲击钻井 | indonesian_link= Coming soon | japanese_link= Coming soon }}
[[Image:drilling icon.png|right|80px]]
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冲击钻井是一种人工钻井技术，需将较重的开凿钻头或锤击钻头连接在绳子或缆绳上，降到凿洞中或临时的套管里。这一技术通常也称作“绳索钻具”。一般会运用三脚架来支撑工具。通过上下拉动绳索，钻头将井眼内的土壤或固结岩击松，随后用泥浆泵将其抽出。就像使用[[hand auger - general|手钻]]时那样，冲击钻井时可能会使用钢制或塑料的临时套管来防止凿洞塌陷。永久的井管滤网和套管安装完成后，临时套管必须移除。
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