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套管、潜孔锤复合性钻进工艺在河床卵砾石层中的应用
Application of casing drilling and DTH drilling combined technique for boulder formation
【摘要】 在卵砾石层中钻进 ,采用常规钻进方法效果欠佳。本文介绍的采用套管钻进和潜孔锤钻进相结合的复合性钻进工艺 ,有效地解决了在卵砾石层中钻进的难题。
【Abstract】 Difficulties are encountered in drilling in boulder formation are efficiently eliminated by using of a combined drilling technique which combines casing drilling with DTH drilling method.
【关键词】 套管钻进;
潜孔锤钻进;
复合性钻进工艺;
卵砾石层;
水上施工;
【Key words】 casing drilling; DTH drilling; combined drilling tecchnique; boulder formation; drilling on water;
【Key words】 casing drilling; DTH drilling; combined drilling tecchnique; boulder formation; drilling on water;
- 【文献出处】 吉林地质 ,JILIN GEOLGY , 编辑部邮箱 ,2000年03期
- 【分类号】P634
- 【被引频次】1
- 【下载频次】67