庆哈原油管道穿越松花江技术

Technologies Applied in the Daqing-Harbin Pipeline Passing Songhua River,

庆哈输油管道工程穿越松花江应用了水平定向钻技术。介绍了穿越带的地质情况、水平定向钻的结构原理、定向穿越施工中钻孔、扩孔和回拖等关键环节,提出寒带地区大型施工设备进出沼泽地的思路。

Daqing-Harbin Pipeline passing Songhua River project has applied horizontal oriental drilling technology. The paper introduces the geological summary of the passing terrain, the structure and principle of horizontal oriental drilling, and some important construction methods. Some ideas on how the large equipment pass through the swamp are suggested in the paper.