1Progress on coalbed methane development technology in ChinaZhang Suian, Yuan Yu, Meng FanyuanDrilling and Fracturing Technology for Coalbed Met1-52Research & development and application on drilling technology and equipment of accurate butted well for coalbed methane developmentShi Zhijun, Zhang Qun, Wang Baoyu, Liu Jianlin, Tian Hongliang, Zhao YongzheDrilling and Fracturing Technology for Coalbed Met6-10,583Present situation and development of coalbed methane fracturing fluidGuan Baoshan, Liu Yuting, Liu Ping, Liang Li, Cui WeixiangDrilling and Fracturing Technology for Coalbed Met11-17,224Study on test technology of coalbed methane interference test wellHao Linshan, Qiu FengDrilling and Fracturing Technology for Coalbed Met18-225Drilling and completion technology of coalbed methane cluster wells in Yanchuannan BlockWang YunhaiDrilling and Fracturing Technology for Coalbed Met23-296Study on drillable bridge plug cable perforation co-operated technology in coalbed methane hydraulic fracturing processSun Liangtian, Li Yukui, Zhu Ning, Du LiangjunDrilling and Fracturing Technology for Coalbed Met30-33,737Drainage technology and application of coalbed methane surface well in mining stable area of coal mineSun Dongling, Li RifuDrilling and Fracturing Technology for Coalbed Met34-38,498Study on high efficient permeability improved technique of coal reservoir based on radial well technologyHao Chunsheng, Ji ChangjiangDrilling and Fracturing Technology for Coalbed Met39-42,1719Application and analysis on geosteering technology of coalbed methane multi branch wellsShen Ruichen, Yan Lifei, Qiao Lei, Sun QinghuaDrilling and Fracturing Technology for Coalbed Met43-4910Short horizontal sectional radial drilling and fracturing technology of coalbed methane and applicationZhang Shouren, Hu Yanlin, Li Guichuan, Tan Wei, Li Jian, Gao Zejiang, Zhang ZhonghaoDrilling and Fracturing Technology for Coalbed Met50-5311Gas output improvement and reconstruction technology of coalbed methane horizontal well by nitrogen injectionLi Guichuan, Zhang Jinhu, Deng Tuo, Ma Chengming, Zhang Qi, Song DaweiDrilling and Fracturing Technology for Coalbed Met54-5812Study on production increased technology with secondary hydraulic fracturing in Zhengzhuang Block of Qinshui Coalbed Methane FieldZhang Jianguo, Liu Zhong, Yao Hongxing, Zhang CongDrilling and Fracturing Technology for Coalbed Met59-6313Appfication of rodless pump drainage technology to Qinshui Coalbed Methane FieldDrilling and Fracturing Technology for Coalbed Met64-6714Application of hydraulic sand jetting perforation to coalbed methane developmentYuan Yu, Zhao Jin, Cao Lihu, Hu Yafei, Ren YongDrilling and Fracturing Technology for Coalbed Met68-7315Experiment study on migration law of pulverized coal in borehole of coalbed methane horizontal wellCui Jinbang, Li Pei, Ma Dongmin, Li Zhi, Zhang Ke, Meng FanyuanDrilling and Fracturing Technology for Coalbed Met74-78,17616Study on coalbed methane fuzzy ball drilling fluid in complicated coal structure of Mabi BlockZheng Lihui, Liu Junying, Hua Zhichao, Li Zongyuan, Zhang ZhengDrilling and Fracturing Technology for Coalbed Met79-8317Expansion mechanism of through strata fractured cracks in coalbed methane horizontal wellLi Danqiong, Zhang Suian, Zhang ShichengDrilling and Fracturing Technology for Coalbed Met84-8818Study on drilling/cementing technique affected to production control of coalbed methane vertical wellLiu Shiqi, Sang Shuxun, Li Mengxi, Zhu Qipeng, Liu HuihuDrilling and Fracturing Technology for Coalbed Met89-9419Study and analysis on coal structure features during drilling operation and well wall stabilityGao Xiangdong, Wang Yanbin, Zhang ChongchongDrilling and Fracturing Technology for Coalbed Met95-9920Identification technology of coalbed methane horizontal well while drilling based on multi-information integrationYang Hongjun, Zhang Suian, Qin Jing, Yuan YuDrilling and Fracturing Technology for Coalbed Met100-105