为了有效解决低压漏失井的井下清砂问题,研究开发了一种具有钻进功能的捞砂泵。
To solve effectively the problem of sand removing in low-pressure absorption Wells, a drilling sand pump was developed.
从捞砂泵的结构及工作原理入手,介绍了捞砂泵捞砂施工工艺特点及施工注意事项。
From structure and working principle of bailing pump, the paper introduces its operation feature and attention events.
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