Determination of Drilling Fluid Density Window Model for CBM Well by FEM
LIN Hai;CHEN Lei;CHENG Yuan-fang;JIANG Zhen-wei;ZHANG Zhen-huo;FAN Fan;DONG Hai-dong;HAO Chao;LIU Ting-ting;National Engineering Laboratory for Exploration and Development of Low Permeability Oil and Gas Field Drilling Fluid Department of Changqing Engineering and Technology Research Institute in Chuanqing Drilling and Exploration Corporation;Department of Petroleum Engineering;University of Petroleum;

..............page:1-5

di wu jie ji di di qiu ke xue yu kan tan gong cheng guo ji xue shu yan tao hui zai chang chun ju xing

..............page:5

Analysis on Different Control Mechanism of Constant Bottom Hole Pressure Drilling System and Micro-flux Control Drilling System
JIANG Ying-jian;ZHOU Ying-cao;YANG Gan-sheng;LIU Wei;Drilling Research Institute;CNPC;Research Institute of Petroleum Exploration and Development;CNPC;China University of Geosciences;

..............page:6-9

Application of Large Diameter Air Drilling Technology in Continental Scientific Drilling
ZHANG Qiu-dong;WANG Xing-min;ZHANG Xin-chun;XING Xiang-qu;SHEN Yun-fei;WANG Jun-jie;WEI Qing;No.2 Institute of Geo-environment Survey of Henan;No. 2 Geological Survey Institute of Henan Bureau of Geology and Mineral Resources;

..............page:10-13

Numerical Calculation of Steam Mining for Natural Gas Hydrate Exploitation in Permafrost Region and the Field Application
LI Kuan;ZHANG Yong-qin;SUN You-hong;GUO Wei;LI Bing;The Institute of Exploration Techniques;CAGS;Construction Engineering College of Jilin University;

..............page:14-16

Application of Directional Drilling Technology for Water Exploring and Discharging in Roof of Muduchaideng Coalmine
REN Peng-fei;Xi’an Research Institute of China Coal Technology & Engineering Group Corp.;

..............page:17-19

Challenges of Shale Gas Horizontal Well Drilling in Sichuan Basin and Its Vicinity and the Technical Counter measures
ZANG Yan-bin;BAI Bin-zhen;LI Xin-zhi;NIU Xin-ming;ZHANG Jin-cheng;Institute of Petroleum Engineering;SINOPEC;China TOPRS Technology Co.;Ltd.;

..............page:20-24

Test Application of Large Fracture Plugging Agent in Complex Formation of Shennongjia Mining Area
WANG Zheng-min;ZHANG Bao-he;LIU Ming;Category Institute of CAPF;The Gold Headquarters of Chinese People Armed Police Forces;

..............page:25-28

Fast Drilling Technology in Zhangwu Work Area
YU Xian-sheng;Northeast Oil and Gas Branch;SINOPEC;

..............page:29-32

Drilling Design and Construction of Well Yincan 4
ZHANG Hui;YU Cheng-peng;XIA Guang-qiang;LI Wen-fei;Shengli Drilling Technology Research Institute of SINOPEC;

..............page:33-37+41

Technology of Pneumatic DTH Hammer Casing Drilling with Double Shock
ZHENG Ying-fei;WANG Mao-sen;YUE Wen-bin;College of Construction Engineering of Jilin University;

..............page:38-41

Preliminary Analysis on Influence Factors of Air-lift Reverse Circulation Drilling Efficiency to Large Diameter Engineering Well
XIONG Liang;ZHANG Xiao-lian;XIONG Ju-qiu;YIN Feng;Coalfield Geology Bureau of Henan Province;The 3rd Team;Coalfield Geology Bureau of Henan Province;Construction Project Quality Supervision Station of Luotian Hubei;

..............page:42-45+49

Application of Micro Combined Anti-slide Pile for Highway Landslide Control in Qinghai
GUO Hui;Xi’an Research Institute of China Coal Technology & Engineering Group Corp.;

..............page:46-49

hua dong shou ge gan re yan diao cha xiang mu ye wai gong zuo wan cheng

..............page:49

Research on the Sampling Technique with U-tube
PAN De-yuan;LI Xiao-jie;ZHEN Ji-tian;YE Cheng-ming;Center for Hydrogelogy and Environmental Geology Survey;CGS;

..............page:50-52+65

Design and Application of Hook Position Monitoring System Based on Labview
LUO Guang-qiang;HU Yu-le;Institute of Exploration Technology;CAGS;Faculty of Engineering;China University of Geosciences;

..............page:53-56

Development of Micro-Drilling Experimental Device 2000
LIU Bei;HU Yuan-biao;China University of Geosciences;No. 5 Detachment of the Gold Army;CAPF;

..............page:57-60

Grouting and Water Blocking Technology under Complex Conditions of Water Inrush in Coal Mine
JI Zhong-kui;Xi’an Research Institute of China Coal Technology & Engineering Group Corp.;Key Laboratory of Preventing Coal Mine Water Hazard of Shaanxi Province;

..............page:61-65

wo guo lu shang zui shen shui ping jing kai zuan

..............page:65

Application of Combination of High-pressure Circulation Grouting and Steel Pipe Underpinning in Pile Foundation Reinforcement
NIU Jian-dong;KUANG Jing-xin;TAN Xu-liang;School of Civil Engineering;Central South University;Changsha Hengde Geotechnical Engineering Technology Co.;Ltd.;

..............page:66-68

Technology and Measure of Field Work for Geotechnical Engineering Investigation
WANG De-qiang;Hebei Institute of Regional Geology and Mineral Resources Survey;

..............page:69-71

Some Thoughts on the Implementation of the Revised “Technical Code for Building Pile Foundation”
LI Liang;SHI Yan-xia;Shandong Hualu Engineering Corporation;

..............page:72-76+84

Application of CSM Method in Super Deep Foundation Pit Support Engineering in Soft Soil Area of Tianjin
GAO Feng-dong;LIAO Chun-hua;HU Zheng-liang;LI Hai-bing;Tianjin Jinkan Geotechnical Engineering Co.;Ltd.;

..............page:77-80

Cutter Inspection/Replacement in Cabin with Pressure for River Channel Construction by Large Diameter Shield
LU Chun-lin;China Railway Tunnel Group Limited Company of Hangzhou;

..............page:81-84