• Exploration practice and direction of lithologic reservoirs in non-source rock strata in shallow water areas of the eastern South China Sea
• Zhang Xiangtao, Li Xiaoping, Xuan Changji, Du Jiayuan, Ding Lin, Li Zhigao, Chen Weitao
• 2021, 42 (6): 695-707. DOI: 10.7623/syxb202106001
• Abstract ( ) PDF (7269KB) ( )

• A recovery method of porosity evolution based on forward and inverse analyses: a case study of the tight sandstone of Xujiahe Formation, Northeast Sichuan Basin
• Zhao Chengjin, Jiang Youlu, Liu Jingdong, Wang Liangjun, Zeng Tao
• 2021, 42 (6): 708-723. DOI: 10.7623/syxb202106002
• Abstract ( ) PDF (19571KB) ( )

• Seismic prediction of karst reservoirs of the Maokou Formation in Wolonghe structure of Sichuan Basin
• Xiong Xiaojun, Chen Rong, Yuan Ye, Zhang Xin, Feng Liang, Wu Yonghong, Xu Fabo
• 2021, 42 (6): 724-735. DOI: 10.7623/syxb202106003
• Abstract ( ) PDF (19982KB) ( )

• Optimal selection of unconventional petroleum sweet spots inside continental source kitchens and actual application of three-dimensional development technology in horizontal wells: a case study of the Member 7 of Yanchang Formation in Ordos Basin
• Li Guoxin, Wu Zhiyu, Li Zhen, Chen Qiang, Xian Chenggang, Liu He
• 2021, 42 (6): 736-750. DOI: 10.7623/syxb202106004
• Abstract ( ) PDF (19066KB) ( )

• An evaluation method of reservoir “sweet spots” in low permeability oilfields of Beibuwan Basin
• Jiang Ping, Zhang Hui, Wang Lei, Wang Xinguang, Xiang Yaoquan
• 2021, 42 (6): 751-764. DOI: 10.7623/syxb202106005
• Abstract ( ) PDF (14932KB) ( )

• Mechanical mechanism of meso-structure instability of fracture plugging zone based on the characterization of force chain network
• Yan Xiaopeng, Xu Chengyuan, Kang Yili, Shang Xiangyu, Jing Haoran, Lin Chong, Zhang Jingyi
• 2021, 42 (6): 765-775. DOI: 10.7623/syxb202106006
• Abstract ( ) PDF (15864KB) ( )

• Formation, deposition characteristics and prevention methods of gas hydrates in deepwater gas wells
• Wang Zhiyuan, Zhang Jianbo, Meng Wenbo, Sun Baojiang, Sun Jinsheng, Wang Jintang, Liu Dahui, Wang Jinbo
• 2021, 42 (6): 776-790. DOI: 10.7623/syxb202106007
• Abstract ( ) PDF (5923KB) ( )

• A mechanism of expandable conductor used to improve the bearing capacity of subsea wellhead in deep-water drilling
• Zhang Minghe, Yang Jin, Liu Hexing, Li Lei, Fu Chao, Yang Yuxiang, Xu Dongsheng, Ma Kuo
• 2021, 42 (6): 791-800. DOI: 10.7623/syxb202106008
• Abstract ( ) PDF (5198KB) ( )

Review

• Research progress and development direction of reservoir-forming system of marine gas hydrates
• Lei Yuhong, Song Yingrui, Zhang Likuan, Miao Laicheng, Cheng Ming, Liu Naigui
• 2021, 42 (6): 801-820. DOI: 10.7623/syxb202106009
• Abstract ( ) PDF (7630KB) ( )