directional drilling

The application of horizontal directional drilling technology in municipal pipeline;

水平定向钻进技术在市政管线上的应用

Application of polar stereographic projection in the well trajectory design and calculation of directional drilling

极射赤平投影在定向钻进轨迹设计计算中的应用

For mining CBM effectively,directional CBM production wells were drilled through the application of directional drilling.

为有效开采煤层气,应用定向钻进技术施工煤层气定向井。

The technique of underground pipeline laying with guided/directional drilling is technologically intensive and eco-friendly.

导/定向钻进是一种技术密集型、对环境无害的地下管线铺设技术。

In the recent ten years, directional drilling/ guided boring technology being used to lay different kinds of underground pipelines has been greatly applied.

近十年来,非开挖定/导向钻进技术用于敷设城市地下管线在我国得到了极大的推广应用。

Research on trenchless horizontal directional drilling software design;

非开挖水平定向钻进软件设计研究

The development of Horizontal Directional Drilling in coal mines;

煤矿井下水平定向钻进技术的发展

Research of Horizontal Directional Drilling Trace Optimization and Software Design in No-dig Engineering;

非开挖水平定向钻进轨迹最优化研究及软件设计

Parameter Measurement and Transmission of the Drill Bit for Horizontal Directional Drilling

水平定向钻进钻头信息的测量与传输

Application of Bit Water Way in HDD

水平定向钻进扩孔钻头水口应用分析

Research on MWD Surveying Method and Locating Technique of Horizontal Directional Drilling;

水平定向钻进随钻测量方法及定位技术研究

Research of Key Technology with Drilling Stem Fixed with Cable in Directional Drilling under Coal Mine

煤矿井下定向钻进通缆钻杆关键技术研究

Research and design of a measurement-while-drilling system for horizontal directional drilling

水平定向钻进随钻测量系统研究与设计*

The measurement while drilling technology in nearly horizontal directional drilling in coal mines

煤矿井下近水平定向钻进中的随钻测量技术

Application of Directional Drilling in CBM Exploration

定向钻进技术在煤层气勘探中的应用

Application of Directional Drilling Technology in the Hole WFSD-1 of Wenchuan Earthquake Fault Scientific Drilling Project

汶川地震断裂带科学钻探一号孔(WFSD-1)定向钻进技术的应用

Non- excavating horizontal directional drilling technique is a kind of newly developed construction technique.

非开挖水平定向钻进技术是一项高新施工技术。

Application in Angles Measurement for Directional Drilling with Micromachined Polysilicon Accelerometers

微硅加速度计在定向钻进角度测量中的应用

Research on Directional Drilling Technique of Gas Drainage in Low Gas Permeability Coal Seam;

低透气性煤层瓦斯抽放定向钻进技术研究

A Study on Pipeline Installation Technology of Horizonal Directional Drilling in Rock

岩层水平定向钻进铺管施工工艺的试验研究

Successful application of horizontal directional drilling to pipe-laying construction through sand gravel strata

水平定向钻进技术在砂卵砾石层中的成功应用

The Laying of HDPE Sewage Pipes with Horizontally Directional Drilling Technology

利用水平定向钻进技术铺设HDPE污水管道

Discussion on Some Problems about Installation of Gas PE Pipe by Horizontal Directional Drilling

燃气用PE管水平定向钻进若干问题探讨

Directional Drilling Technology with Single Shot Camera in Xuyongheba Coalfield

四川叙永河坝煤田单点照相定向钻进技术

Construction Technology and Project Application Studying of No-dig Horizontal Directional Drilling Pipe Paving;

非开挖水平定向钻进铺管施工技术及工程应用研究

Core orientation and its Progress

钻探定向岩心的用途和岩心定向技术的进展