定向钻穿越

特殊地质条件下的大口径管道定向钻穿越施工技术

Construction Technology of Large Diameter Pipeline Crossing with Directional Drilling under Special Geological Condition

长江中游岩石层首次定向钻穿越施工技术

First Pipeline Crossing with Directional Drilling Technique in Rocky Stratum of Middle Reaches of Yangtse River

MATLAB在定向钻穿越优化设计中的应用

Application of MATLAB to Directional Drilling Crossing Engineering

PE输气管道水平定向钻穿越在胜利油田的应用

Application of Horizontally Directional Drilling to PE Gas Transmission Pipeline Crossing in Shengli Oilfield

与普通钢管道的水平定向钻穿越相比，PE管道施工方便、快捷，焊接速度是钢管的4～5倍。

In comparison with common steel pipeline , the PE pipeline has the advantages of convenient and facile construction work , as well as 4 ~ 5 times higher welding speed .

将最优化理论与石油天然气管道定向钻穿越设计相结合，通过数学模型的建立，采用MATLAB优化工具箱函数进行求解，计算实例表明是有效的。

The mathematic model which combines optimization theory with design of oil and gas pipeline crossing by directional drilling is solved by optimal function of MATLAB toolbox , and calculation examples show its effectiveness .

非开挖定向钻穿越泥浆净化与回收装置的研制

A mud purification and recovery device used for non-open-cut directional drilling

杭-宁输气管道工程定向钻穿越设计浅析

Discussions on Directional Drilling Crossing Design in Hangzhou-Ningbo Gas Pipeline Project

定向钻穿越河流是一种比较先进的施工方法。

Directional drilling is an advanced construction method in river crossing .

定向钻穿越技术用于高压电缆穿越黄河

Directional Drill Technique Used for High Voltage Cable Crossing the Yellow River

管道水平定向钻穿越技术的特征分析

Characteristic Analysis on Huaihe River Pipeline Crossing by Horizontal Directional Drilling Technology

有线控向系统在定向钻穿越中的应用

Application of Wire Direction Control System in Directional Drilling Crossing

水平定向钻穿越技术在渭河穿越中的应用

Application of Horizontal Directional Drilling Technology in Wei River Crossing

总结了该定向钻穿越施工的成功经验。

The successed experience of this project was introduced .

水平定向钻穿越尼罗河可行性分析

Feasibility Analysis of Horizontal Direction Drill Passing through Nile

介绍了定向钻穿越控制系统、主要施工程序、作业原理和作业方法。

Introduced control system , main construction process , working theory and working method .

管道冬季定向钻穿越补口带施工质量控制

Quality Control of Field Joint Construction in Pipeline Crossing with Directional Drilling in Winter

论大口径管道水平定向钻穿越施工技术

Horizontally Directional Drilling Engineering of Big Inch Pipeline

定向钻穿越在海底管道工程中的应用

Application of HDD to Offshore Pipeline Project

超厚卵石地质条件下定向钻穿越黄河的设计与施工

Design and Construction of Pipeline Crossing Yellow River with Directional Drilling in Ultra-thick Pebble Layer

定向钻穿越技术的工程应用分析

Engineering Application of Directional Drilling Crossing

苏丹6区原油管道尼罗河定向钻穿越技术

Horizontal Direction Drilling to Cross over the Nile for the 6th Oil-Producing Area Pipeline of Sudan

油气管道水平定向钻穿越大中型河流技术的研究

Research on the Technology of Horizontal Directional Drilling of Oil and Gas Pipeline Crossing Large and Medium-sized River

西气东输工程第一穿&淮河定向钻穿越定向钻技术在天然气管线建设中的控制重点

The First Crossing in the Project of West China Gas Transported to the East-Directional Drilling of Crossing the Huaihe River

根据穿越处地貌及地层特性决定将努比亚砂岩作为定向钻穿越的围岩。

Based on the features of geomorphology and strata in the crossing area , the Nubia sandstone is selected to be the surrounding rock .

穿越河水（经常穿越大西洋）。水平定向钻穿越技术在渭河穿越中的应用

A voyage across a body of water ( usually across the Atlantic Ocean ) . Application of Horizontal Directional Drilling Technology in Wei River Crossing

实际应用表明，同孔回拖技术在定向钻穿越施工中的应用效果明显，可缩短施工工期，能节省工程投资及规避部分施工风险。

The actual application showed that this technology could shorten the construction period , save the investment and partially avoid the construction risks of the project .

因为实际工况比较复杂，水平定向钻穿越的回拖力是各种因素共同作用的结果，所以，很难建立起与实际工况非常吻合的、具有普遍适用性的力学模型。

Because of the complicated operation conditions , the pull-back force of pipeline crossing by horizontal directional drilling depends on the combined actions of various factors .

按照以上方法，并结合现场的实际情况，对盘-锦输油管道的绕阳河和东郭镇鱼塘进行了定向钻穿越施工，取得了一次性成功。

Directional drilling crossing on Raoyang rive and Dongguo pound of Pan-Jin oil transporting pipeline successed the first time based on the above theory and the situation on the worksite .

工程采用了穿越速度快、管道埋深大、定位准确、对环境影响小的水平定向钻穿越方式。

Used in the project was the method of horizontal directional drilling , which is characterised by high construction speed , adequate depth of cover for pipeline , accurate location and low environmental impact .