Track 1. Drilling and Exploitation of Mineral Resources Resources

Simplified Method for Estimating Pull Force on Polyethylene Pipe for Mini-HDD Applications, Lawrence Slavin

Signal Propagation and Attenuation of Electromagnetic Telemetry System for Measurement-While-Drilling, Wu Xiang, Da Wang, and Rongjing Wang

Asset Management Program Implementation Case Studies, Sanjiv Gokhale

Details of Field Testing of Major Trenchless Technology Methods for Road Crossings, Mohammad Najafi, Brett Gunnink, and George Davis

Vibration-proof Design on Measuring Circuit for Drill Footage, Fu Xiancheng, Rao Jianhua, Li Jichun, and Bu Jiawu

International Technology Transfer in Tunneling and Trenchless Technology, Raymond Sterling

Research on the Effect of XC and Clay on the Rheological Behavior, of Gas Hydrate Drilling Fluids Ling Zhang, Jiang Guosheng, Tu Yunzhong, Dou Bin, Ning Fulong, and Cai Jihua

Seafloor Gas Hydrates Monitoring System Arranged from within Borehole, Ning Fulong, Jiang Guosheng, Wu Xiang, Dou Bin, and Ling Zhang

Key Factors Affecting Borehole Stability in Gas Hydrates Bearing Formations, Jiang Guosheng, Ning Fulong, Ling Zhang, Dou Bin, and Jiaming Zhang

Erosion and Corrosion of WC-base Matrix Materials and their Impregnated Diamond Composites for Drill Bits under the Impingement of Drilling Fluids, Duana Longchen, and Liua Zhiyu

Study on Steel Ball Impactor for Rotary Percussion Drilling, Lu Chunhua, Yan Taining, Jie Zhang, and N. G. Egorov

Application of a New Water-saving Drilling Technology for Dry Region, Tao Zhang, Lu Chunhua, Yan Taining, and Jiang Guosheng

Underground Freight Transportation Network through Pipeline - A Sustainable Way to Solve the City Syndrome in Beijing, Ma Baosong, Zeng Cong, and Wang Shuhong

New Underground Freight Transportation Technologies-State of the Art, Liu Henry

Research on Mud Technologies of Decreasing Circulating Pressure Loss, Gu S., Wu X. M., Cai J.H., and Wang H.

Research on Mud Technologies of Long Distance Horizontal Directional Drilling in China, Cai J. H., Gu S., Wu X. M., and Wang H.

3D Quantitative Simulation of Guide Trace in Guided Drilling, Wu Xiaoming, Niu Hongliang, Wang Hai, Tong Hongmei, and Sun Pinghe

Image Processing Based Analysis of Diamond Exposure on the Crown of Impregnated Diamond Bit, Pan Bingsuo and Tian Yongchang

Mechanics Simulation of Sampling Process by Using Vibrating Seabed Sampler, Ren Yansheng, Lan Kai, Bu Jiawu, Yan Taining, and Duan Xinsheng

Experimental Study and Kinetics Model of Gas Hydrate Dissociation, Zhao Jianzhong, Shi Dingxian, and Zhao Yangsheng

Research on Derrick Structure of JYD-1500 Full Hydraulic Core Drill Rig, Dajun Zhao, Na An, Tao Xing, Wu Xiaohan, and Yu Ping

Offshore Downhole CPT and Its Equipment Developed, Qi Chen, Yao-hong Shi, Yi Pan, Jia-wu Bu

Discussion on Deviation Control and Correction of CCSD Well-1, Zhu Wenjian

Research on Gas Drilling Techniques to Increase Penetration Rate in Pu-Guang Gasfield, Hou Shu-gang, Zhang Ke-qin, Shu Shang-wen, Hu Qun-ai, and Li Tie-cheng

Experimental Research on Fiber Grating Sensor Acoustic Emission Detection of Rock Material Specimen Failure, Qi Jiang, Qingmei Sui, and Hongliang Cui

Trenchless Pipe-paving in Complex Hard Stratum by Directional Drilling Technology, Wen Guojun, Wu Xiaoming, and Chen Han

Design of Mini Type Horizontal Directional Drilling Rig, Xu Linhong, Wen Guojun, and Yang Jie

Study on Hot-pressed Diamond Bits of Steel-bonded Carbide Matrix, Yang Zhan and Tang Fengling

Pipeline Condition Assessment as Relates to Asset Management, D. T. Iseley and Oleh Kinash

Decision Tool for Selecting the Most Appropriate Technology for Underground Conduit Construction, Makarand Hastak, and Sanjiv Gokhale

Cost of Underground Infrastructure Renewal: A Comparison of Open-Cut and Trenchless Methods, Behnam Hashemi, Mohammad Najafi, and Rayman Mohamed

Application of Extreme Vertices Design in Matrix Formula Experiment for Hot Pressing Diamond Tools, Fang Xiaohong, Pan Bingsuo, and Yang Kaihua Application of EM-MWD in China, Rongjing Wang and Taining Yan

Experimental Research on Reverse Circulation Constant Sampling Air Jet Bit Drilling, R. S. Wang, K. Yin, M. S. Wang, B. Y. Chen, J. M. Peng, and S. L. Ji

Experimental Study on the Tensile Strength of Coal, Wu Jiwen

Thermal Damage Behaviors and Mechanism of Ni-W-B Clad Diamonds by Electroless Plating, Juchuan Zhang

Analytical Models for Soil-Structure Interaction during Pipe-Jacking, Anil Misra and Lance Roberts

Discussion on the Safety of Pipeline Construction Using HDD, Yachun Zhang, Wenjian Zhu, and Ricky Wang

Asset Management of Pipeline Infrastructure in the United States, James Rush

Assessment of Groundwater Quality in Zhengzhou, Shasha Zhang, Menggui Jin, Gang Chen, and F Al Bassam

Simulation and Experiments on Mechanical Breaking Foam for Foam Drilling, Hazaea Mohammed, Youhong Sun, and Jinghua Wu

Non-smooth Characteristic on Biological Surface and Development of Bionics Non-smooth Diamond Bit, Youhong Sun, Chongmei zhong, Liang Xu, Ke Gao, Luquan Ren, and Baochang Liu

Analysis of the Coal-bed Methane Mass Development, Yongdong Tian, Zhaoping Meng, and Guofu Li

Study on the Vertical Drilling System with Complete Closed-Loop at Bottom Hole, Yao Ai-guo, Shi De-quan, and Xu De-ming

Better Risk Management for Underground Pipelines and Tunnels Using Sound Geotechnical, Interpretation Jey Jeyapalan

Study of Annular Fluid and Pressure Control in Turbine Drilling of CCSD, Li Lianggang, Zhu Yongyi, Yi Xiaoming, Shao Chun, and Zhang Hui

Fabrication of Single Crystal Diamonds/Cemented Carbide Composite Cutter for Rock Drilling, Baochang Liu, Zupei Zhang, and Youhong Sun

Dynamic Cycling Theory on Gas Hydrate Reservoirs, J. A. Guan, S. S. Fan, F. L. Ning, and D. Q. Liang

Pipeline Safety, Mohammad Najafi and Pamela Salvador

Study on Formation Fracture Evaluation by Using Mathematical and Mechanical Model and Its Application, Yuezhi Wang, Kuiwei Liu, Xiaoshuai Lu, Zhiqiang Yu, and Yuangui Song

Quantitative Risk Analysis of Oil-Gas Pipeline Corrosion Damage, Guo Hainlin, Ni Xiaoyang, Yu Huawei

Track 2. Engineering Properties of Rock and Soil

Orientation Ability of Clay Minerals in Sliding - Soil From X-Ray Diffraction and Its Effects on Landslide, Hong Xing Wang, Guan Wang, and Hui Ming Tang

Numerical Test Research on the Shear Strength Parameters of Rock Joints Based on the Fractal Theory, Lei Xu, Qingwen Ren, and Fangliang Chen

Study on Probability Distribution of Shear Strength Parameters of Sliding Zone in Three Gorges Reservoir Zone Based on Multiple Test Methods, Wenqiang Luo, Chunhua Feng, and Chan Zhang

Numerical Modeling for Centrifuge Tests on Large Deformations of Dyke on Liquefiable Soils, Mingwu Wang and S. Iai

Study on Damage Developing Model of the Coal Rock With Non-Residual Stress, Yuliang Wu, Yueping Qin, Qianqian Jin, and Junfen Hu

Swelling Mechanism of Expansive Soils in Hexu and Hean Expressways, Lidong Bai, Wei Xiang, Kerui Cui, and Wuming Xu

Quantitative Study on the Shear Strength Parameter of Undisturbed Loess, X. Y. Cheng, W. Xiang, Y. E. Yu, and W. F. Zhang

Experimental Study on Ionic Soil Stabilizer Reducing Adsorbed Water of Clay, Wei Xiang, De Cui, W. F. Zhang,