近日，地处尼日利亚尼日尔州和卡杜纳州交界处的KP350-KP358丘陵地段最后一处管道沟下连头工作结束。至此，尼日利亚AKK天然气管道工程实现主体完工。
尼日利亚阿佳库塔-卡杜纳-卡诺（简称AKK）天然气管道项目是该国首条大口径、长距离、高标准天然气管道项目，承担着该国南部气源地向北部用气单位输送能源的重要任务，2020年正式开工建设。
此次完工的KP350-KP358段全长8公里，处于灌木林区，远离大型社区，社会依托差，且地质大部分为砂岩和花岗岩，地形起伏大，最大落差达到40米，地理环境特殊。
据了解，因为地形地势特殊、社会形势复杂，KP350-KP358段的施工进度直接影响着AKK管道工程的整体进展，而该区段的顺利连通，也为项目的整体完工清除了最大的障碍。
工程开工建设以来，项目团队不但克服了当地自然条件恶劣、社会风险高、社会依托差等困难，还战胜了当地技术工人匮乏、设计标准高等多重挑战，充分发挥“设计-采办-施工”融合管理优势，在混凝土包裹管安装、河流定向钻和过路顶管穿越等难点施工中取得了重要突破。
The weather is cool and it's a fine autumn; September is only suitable for traveling.
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