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水力喷射 — 综述

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水力喷射是基于水循环和水压原理的一种方法。与生成淤泥相反,这一方法是将水泵到钻管下方,将“泥浆”(水与钻屑)向上输送至钻管和井壁之间的井眼中。并且,运用马达泵来获得适当的水流。钻管可只有一端有开口,或者可以增加一个钻头。可使用部分或完全转动的钻管。也可在水中加增稠剂(添加剂),防止洞口塌陷并减少作业用水(钻井液)的流失。
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