长距离定向钻两次穿越中间连头大开挖施工实例分析

Case Analysis on Construction of Two Times Crossing and Intermediate Connection by the Large Excavation During long Distance Directional Drilling

近年来,随着油气管道建设高峰的到来,定向钻施工越来越普遍,对于大口径、长距离定向钻难点施工问题也引起了人们的关注,本文结合实例分析了定向钻施工中长距离穿越中间大开挖连头的铺设管道的方法。

In recent years,with fast development of oil and gas pipeline construction,directional drilling has become more and more common;difficulties in the construction of large diameter and long distance directional drilling have also been paid attention.In this paper,combined with some cases,the pipe laying method with long distance crossing and intermediate connection by the large excavation during directional drilling was put forward.