介绍了泵吸反循环钻进的施工特点、适用范围、施工中的技术要求与常见故障的原因及处理方法。
The paper has introduced constructional properties, applicable sphere of pumping reverse circulation drilling, and its technical demands and the reasons of common hitchs and processing methods.
根据钻探技术的历史经验，建议应进行大直径反循环回转钻进井底过程的研究。
Based on the historical experience of drilling technology, it is proposed to study the bottom process of large diameter reverse circulation rotary drilling.
本文着重阐述了气举反循环理论和机具制做方法，从而解决了在岩溶发育地区的施工技术难题。
The author has made an exposition of the theory of airlift reverse circulation machines and tools, and its making way as well, which has solved the construction technical difficulty.
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