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• 2020 Vol. 43 (5): 160-
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• 2020 Vol. 43 (5): 165-
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DRILLING TECHNOLOGY

• Optimization of Anti-collision Separation Factor Algorithm and Calculation of Adjacent Well Relative Position Measurement Error
• DIAO Binbin, GAO Deli, HU Degao, JIANG Chuang
• 2020 Vol. 43 (5): 1-4
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• Design and Application  of Changxin 5 Milled  Casing Relief  Well in Dagang Oilfield      
• FU Youyi, ZHOU Honglin, CHEN Jiajie
• 2020 Vol. 43 (5): 5-8 DOI: 10.3969/J. ISSN.1006-768X.2020.05.02
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• Parameter Optimization and Field Application of the PDC Bit with Stinger Back-up Cutters 
• YAO Jianlin, LI Weicheng, LI Dewei, FENG Ming, YANG Kaixiong, XIAOYang
• 2020 Vol. 43 (5): 9-11 DOI: 10.3969/J. ISSN.1006-768X.2020.05.03
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• Experimental, Optimization of Diamond Parameters for the Impregnated Diamond Bits Used in Tight Sandstone Formation
• LI Zijie, ZHAO Hongshan, FENG Guangtong, HE Linhu, JIANG Wei, PENG Ye
• 2020 Vol. 43 (5): 12-15 DOI: 10.3969/J. ISSN.1006-768X.2020.05.04
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• Assessment on Drilling Load for Riserless Drilling Technique
• XIA Kailang, WANG Zhiwei, CHEN Guoming
• 2020 Vol. 43 (5): 16-19 DOI: 10.3969/J. ISSN.1006-768X.2020.05.05
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• Selection and Test of the Placement Position about Hydraulic Oscillator
• ZHANG Su, LI Na, XU Minglei, LI Lichang, FENG Qiang, CHENG Lin, CUI Shuqing
• 2020 Vol. 43 (5): 20-23 DOI: 10.3969/J. ISSN.1006-768X.2020.05.06
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• Study of Well Integrity Management over Well Lifecycle
• YU Shuijie, CUI Weihua, LIU Hongbing, ZHOU Baiguang, WU Shuang
• 2020 Vol. 43 (5): 24-26 DOI: 10.3969/J. ISSN.1006-768X.2020.05.07
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• Research on Intelligent Early Kick Identification Method Based on SVM and D-S Evidence Theory
• LI Yufei, ZHANG Bo, SUN Weifeng
• 2020 Vol. 43 (5): 27-30 DOI: 10.3969/J. ISSN.1006-768X.2020.05.08
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• Practice and Understanding of Managed Pressure Cementing for Ultra-high Pressure Brine Formation in the Kuche Piedmont
• LIU Wei, LI Mu, HE Silong, LEI Wanneng, FANG Chao, TANG Lei
• 2020 Vol. 43 (5): 31-33 DOI: 10.3969/J. ISSN.1006-768X.2020.05.09
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• Effect of Annulus Pressure on Change of Contact Stress at the Two Interfaces of Cementing in High Temperature and High Pressure Wells
• HUANG Peng, YANG Huanqiang, HUANG Zhiqiang, QU Lulu, WU Jiang
• 2020 Vol. 43 (5): 34-37 DOI: 10.3969/J. ISSN.1006-768X.2020.05.10
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PRODUCTION TECHNOLOGY

•  Failures Analysis and Methods Study of APR Testing Tools in Ultra-deep Well with High Temperature and High Pressure  
• PENG Yonghong, WEI Bo, SONG Leiyong, WANG Jiachang, XIE Jian, CHEN Bing, SHEN Chuanxia
• 2020 Vol. 43 (5): 38-41 DOI: 10.3969/J. ISSN.1006-768X.2020.05.11
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• Bitumen Characteristics of Longwangmiao Formation in Central Sichuan and Its Effect on the Conductivity of Acid-eroded Fractures
• YOU Jiachun, LIU Wei, PAN Guanchang, ZHANG Xiangfei, ZHU Xi, WANG Fuping, WANG Gang
• 2020 Vol. 43 (5): 42-45 DOI: 10.3969/J. ISSN.1006-768X.2020.05.12
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• Characteristics of Transportation in the Micro-fracture of Polymer Conformance Control Agent with Viscoelasticity
• WU Wei, LI Jiangtao, LIN Dongping, LU Tianyu
• 2020 Vol. 43 (5): 46-48 DOI: 10.3969/J. ISSN.1006-768X.2020.05.13
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• Study on the Influence of Construction Parameters on the Simultaneous Propagation of Multiple Fractures in Horizontal Wells
• JIANG Xuefeng, GUO Qiaozhen, MA Zhongyong, XIANG Juan, WANG Qian, WANG Qing, YU Qingsen, YANG Yongzhi
• 2020 Vol. 43 (5): 49-52 DOI: 10.3969/J. ISSN.1006-768X.2020.05.14
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• Research on the Prediction Method of the Sealing Failure of the Layered Water Injection String
• GAO Yonghua, LIU Huawei, LIU Quangang, LIU Lei, LI Mengchao
• 2020 Vol. 43 (5): 53-56 DOI: 10.3969/J. ISSN.1006-768X.2020.05.15
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• Research and Application of Chemical Water Shutoff Fracturing Technology for High Water Cut Wells in Fractured Sandstone Reservoirs
• YANG Qianlong, LING Yonggang, ZHAO Xiaoguang, GAI Wenchen, WANG Min
• 2020 Vol. 43 (5): 57-60 DOI: 10.3969/J. ISSN.1006-768X.2020.05.16
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• Research and Test on Water Control Technology of Flow Regulation and Water Control Screen Tube with Particle Filling
• WAN Xiaojin, WU Shaowei, ZHOU Hongyu, YUAN Hui, SONG Lizhi
• 2020 Vol. 43 (5): 61-63 DOI: 10.3969/J. ISSN.1006-768X.2020.05.17
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• Desulfurization Technology and Application of Hydrogen Sulfide Crude Oil during Oil Testing
• HE Enpeng, Zeng Xiaojun, WANG Lei, YANG Guanglian
• 2020 Vol. 43 (5): 64-66 DOI: 10.3969/J. ISSN.1006-768X.2020.05.18
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• Application of Isentropic Compressor Gas Production Technology in Yulin Gas Field
• XU Dong, XUE Gang, WANG Na
• 2020 Vol. 43 (5): 67-70 DOI: 10.3969/J. ISSN.1006-768X.2020.05.19
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DRILLING & PRODUCTION EQUIPMENT

• Development and Application of a New Layered Reconstruction Tool for Deep Well in High Temperature and High Pressure Reservoir
• PAN Yong, WANG Juan, ZHANG Quan, ZHANG Daopeng
• 2020 Vol. 43 (5): 71-74 DOI: 10.3969/J. ISSN.1006-768X.2020.05.20
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• Development and Application Of Fully Soluble Variable Diameter Ball Seat Used for Volume Fracturing
• GUO Siwen, WANG Zhiguo, XUE Xiaowei, ZHAO Minqi, LI Zhijun, ZHANG Jiazhi, REN Guofu, FEI Erzhan
• 2020 Vol. 43 (5): 75-77 DOI: 10.3969/J. ISSN.1006-768X.2020.05.21
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• Optimization and Application of Ultrasonic Phased Array Testing Technology of Gas Tree
• WANG Xiaolei, LIU Chengjun, LIU Xiangkang, LUO Wei, ZHOU Lang, WANG Chuanlei, WANG Yusong
• 2020 Vol. 43 (5): 78-81 DOI: 10.3969/J. ISSN.1006-768X.2020.05.22
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• Research on Energy-saving and Emission Reduction Effect Test of Replacing Oil by Electricity in Machinery Drilling Rig
• ZHANG Jian, ZHOU Xia, LIU Xu, ZHAO Meng, ZHANG Qinqin, HEI Liang
• 2020 Vol. 43 (5): 82-83 DOI: 10.3969/J. ISSN.1006-768X.2020.05.23
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• Design and Test of Passable Plug for Operation under Pressure
• TANG Geng, LEI Qinglong, HONG Yukui, LI Bin, DONG Liangliang, ZHANG Wen, NAI Ning, WANG Ziqi
• 2020 Vol. 43 (5): 84-86 DOI: 10.3969/J. ISSN.1006-768X.2020.05.24
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OILFIELD CHEMISTRY

• Research and Application on Seawater-based Environment-friendly Drilling Fluid System
• CAO Hui, WANG Yongqiang, DONG Hongwei
• 2020 Vol. 43 (5): 87-90 DOI: 10.3969/J. ISSN.1006-768X.2020.05.25
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• Drilling Fluid Technology in Cretaceous Unstable Claystone Formation of Turkmenistan
• DENG Shikui, LI Huakun, CHEN Xin, XIANG Chaogang, GAO Lihua, WANG Qi
• 2020 Vol. 43 (5): 91-94 DOI: 10.3969/J. ISSN.1006-768X.2020.05.26
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• Research and Application of New Clean Fracturing Fluid System Suitable for Coalbed Methane Reservoir                       
• QIN Zhuqing, LIU Gang, LIU Yanqing, YANG Wenbin, FAN Jinfeng, SONG Qi
• 2020 Vol. 43 (5): 95-98 DOI: 10.3969/J. ISSN.1006-768X.2020.05.27
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• Study and Application of Polymer Filtrate Reducer for High Temperature Resistant and Compound Salt Tolerant
• WAN Wei, HUANG Ping, LI Xuan, LIAO Qingqing, TANG Cunjie
• 2020 Vol. 43 (5): 99-102 DOI: 10.3969/J. ISSN.1006-768X.2020.05.28
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• Laboratory Test and Exploration of Dissolution Solution of Longmaxi Shale Play
• LIU Wei, WU Zhengliang, GAO Qiang, OUYNG wei, XIA Xianfu, WU Qian, LIU Qing
• 2020 Vol. 43 (5): 103-105 DOI: 10.3969/J. ISSN.1006-768X.2020.05.29
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• Experimental Study on Biological Toxicity Evaluation of Slick Water Fracturing Fluid System for Unconventional Oil and Gas Development
• ZHANG Ying, YU Weichu, LI Jia, SHE Chaoyi, ZHOU Feng, WANG Xiangzeng
• 2020 Vol. 43 (5): 106-109 DOI: 10.3969/J. ISSN.1006-768X.2020.05.30
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ON SITE

• Study on the Technology of Perforating Gun Salvage for High Pressure & Ultra-deep Well
• ZHANG Meihao, QIN Deyou, DANG Liugen, ZHONG Bowen, YI Fei, DUAN Yunfeng
• 2020 Vol. 43 (5): 110-112 DOI: 10.3969/J. ISSN.1006-768X.2020.05.31
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• Logging Tool Fishing Practice in Well Gaoshi 001-X25
• ZHANG Jie, LI Xiaogang, ZHENG Shuquan, ZHONG Guangrong, ZHANG Feng, ZHUO Yun, YANG Xiaoming, WANG Rong, FU Tao, LI Zhengang, ZHOU Peisi
• 2020 Vol. 43 (5): 113-115 DOI: 10.3969/J. ISSN.1006-768X.2020.05.32
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• Earnestly Implement and Apply of SY/T6125-2013 Industry Standards and Promote Vigorously Safe, Efficient and Scientific Development of Gas Production
• XIA Hongwei, CHEN Kui, YANG Wanzhong, WU Jiantong, YANG Tao, LUO Wei, LUO Hong
• 2020 Vol. 43 (5): 116-118 DOI: 10.3969/J. ISSN.1006-768X.2020.05.33
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• Abnormal Response Measures for Sudden Annular Pressure in High Pressure Gas Well
• HU Chao, HE Yinda, WU Yuncai, WU Zhenjiang, ZHAO Peng, HE Chuanjiang
• 2020 Vol. 43 (5): 119-122 DOI: 10.3969/J. ISSN.1006-768X.2020.05.34
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• Application of Unidirectional Downhole Shut-in Valve in Well Wutan 1
• CAO Jiacheng, HUANG Chuan, LU Qi
• 2020 Vol. 43 (5): 123-125 DOI: 10.3969/J. ISSN.1006-768X.2020.05.35
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• Brief Analysis of Wellbore Hydrate Blockage Removal Technology in UHP Sour Gas Well Long004-X1
• YANG Jian, HUANG Yao, YANG Yuanyu, DU Lang, NI Dan, JIANG Tao, DU Jiang
• 2020 Vol. 43 (5): 126-129 DOI: 10.3969/J. ISSN.1006-768X.2020.05.36
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• Field Application of Oil-based Cuttings Thermal Desorption Unit
• GUO Liang, ZAI Yongfan, GE Shijia, ZHU Lu, ZHANG Xinfa, WANG Yu
• 2020 Vol. 43 (5): 130-133 DOI: 10.3969/J. ISSN.1006-768X.2020.05.37
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• Mechanical Properties of Alkali-resistant Glass Fiber Toughened Cement and Its Influence on Cement Slurry Properties
• HAO Huazhong, SANG Ming, ZHANG Ye, LI Wenwen, JIANG Likun, MA Miao
• 2020 Vol. 43 (5): 134-138 DOI: 10.3969/J. ISSN.1006-768X.2020.05.38
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