1.
Application of Directional Drilling in CBM Exploration
定向钻进技术在煤层气勘探中的应用
2.
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。
3.
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
4.
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
5.
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
6.
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
7.
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
8.
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
9.
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
10.
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
11.
Core orientation and its Progress
钻探定向岩心的用途和岩心定向技术的进展
12.
Research on Direction Control Techology of Auger Drill Miner Drill
螺旋钻采煤机钻具定向控制技术的研究
13.
Application of Wireless-while-drilling Technology on Large Diameter Directional Hole
无线随钻技术在大口径定向工程钻孔中的应用
14.
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
15.
Study on Directional/Guided Drilling of Trenchless in Fluvial Facies Stratum;
典型河相地层条件下非开挖定（导）向钻进施工技术研究
16.
The Research and Design of the Multimedia Training System on Horizontal Directional Drilling;
水平定向钻进铺管技术多媒体培训系统研究与开发
17.
Research on Preventive Measures Against Damage to Underground Pipeline in the Process of Directional Drilling/Guided Boring and the Referred Technology;
定/导向钻进施工中的地下管线损伤预防措施及技术研究
18.
Application of Controlled Directional Group Borehole Drilling Technology to Grouting in Xuandong Ventilation Shaft
受控定向群孔钻进技术在宣东风井注浆中的应用