Field practices of gas drilling in Chuanyu Changqing , Tuha , and Liaohe oilfields acquired very good results.

介绍了气体钻井技术在防漏治漏方面的应用情况.

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The reservoir application of Gas Drilling is a new technology developed in the late 20 th century.

气体钻井用于储层钻进,是国际上二十世纪末发展起来的新技术.

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In coal gas drilling, coal collapse led to drilling hard trip and other accidents.

在煤层气钻井中, 煤岩坍塌造成接单根困难、起下钻遇阻遇卡、蹩泵等事故和井下复杂.

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Tapping drilling tools: gas drilling, Eucampia pneumatic drill, pneumatic tapping machine, chamfering machine.

钻孔攻丝类工具: 气钻 、 弯角气钻 、 气动攻丝机 、 倒角机.

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The erosion of string resulted from gas - solid two - phase flow in the gas drilling was analyzed quantitatively.

定量分析了气体钻井中气 - 固两相流 对井筒的冲蚀作用.

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