| 气举反循环钻深度的理论计算与加深试验 |
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| 引用本文： | 耿令强.气举反循环钻深度的理论计算与加深试验[J].中国煤田地质,2001,13(2):86-87. |
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| 作者姓名： | 耿令强 |
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| 作者单位： | 山东煤田地质局第三勘探队!泰安271000 |
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| 摘 要： | 运用气举反循环钻进、在满足一定条件下适当增加双壁钻具长度即可得到较大钻进孔深，本文通过理论计算及实验，证实了使用现有设备，气举气循环可以更好的满足超午米深水井的施工要求。
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| 关 键 词： | 双壁钻具 上返速度 气举反循环钻进 钻进深度 沉没深度 |
| 文章编号： | 1004-9177(2001)02-0086-02 |
Depth theory calculation and deepen testing of air reverse circulation drilling |
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| Abstract: | Apply air reverse circulation drilling, appropriate increase length of twofold wall drill tools under certain conditions, may be drilling much deeper. Get through theory calculation and testing, it has proved that air reverse circulation can be satisfied constructional claims of over thousand meters deep water well, with existing equipments. |
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| Keywords: | twofold wall drill tools up return velocity deepen air reverse circulation |
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