PETROLEUM EXPLORATION

• Natural gas exploration of Mesozoic ultra-deep volcanic buried hills in Bozhong sag of Bohai Sea and its significance
• Xu Changgui, Wang Xin, Yang Haifeng, Huang Zhi, Wang Wei, Zhang Jiangtao
• 2025, 46 (5): 843-856,908. DOI: 10.7623/syxb202505001
• Abstract ( ) PDF (23337KB) ( )

• Geological characteristics and exploration prospects of deep coalbed methane enriched in Carboniferous Benxi Formation,Ordos Basin
• Hou Yuting, Yu Jian, Zhang Chunyu, Zhang Daofeng, Zhang Haifeng, Li Yong, He Zhitong, Yang Pu, Lin Dafei
• 2025, 46 (5): 857-874. DOI: 10.7623/syxb202505002
• Abstract ( ) PDF (16519KB) ( )

• Segmented differential activity of Hetianhe strike-slip fault zone and its reservoir-controlling effect in southwest Tarim Basin
• Yun Lu, Cao Zicheng, Tang Daqing, Wang Yang, Geng Feng, Sha Xuguang, Jiang Zhongzheng, Wang Shuli
• 2025, 46 (5): 875-890. DOI: 10.7623/syxb202505003
• Abstract ( ) PDF (25631KB) ( )

• Genesis and evolution of overpressure in Lower Paleozoic Carbonate rocks of Ordos Basin
• Du Hao, Liu Yifeng, Fan Liyong, Ma Zhanrong, Luo Xiaorong, Shen Anjiang, Zeng Shuai
• 2025, 46 (5): 891-908. DOI: 10.7623/syxb202505004
• Abstract ( ) PDF (17640KB) ( )

• Tectonic fracture characteristics and tight gas reservoir-controlling model of the Member 4 of Xujiahe Formation in Jianyang area,Sichuan Basin
• Li Yibo, Xu Qiang, Qiu Yuchao, Deng Wei, Gu Chunyuan, Xie Yao, Zheng Chao, Qiao Zhanfeng, Guo Xiang, Tan Xiucheng
• 2025, 46 (5): 909-925. DOI: 10.7623/syxb202505005
• Abstract ( ) PDF (28043KB) ( )

OIL FIELD DEVELOPMENT

• Effects of high-speed fracturing-flooding CO₂ injection on matrix oil displacement characteristics
• Li Binfei, Zhao Xirui, Zheng Lei, Li Zhaomin, Zhu Di, Cao Xiaopeng
• 2025, 46 (5): 926-937. DOI: 10.7623/syxb202505006
• Abstract ( ) PDF (6039KB) ( )

• Analysis of unsteady pressure characteristics of fracturing-flooding water injection wells in low-permeability heterogeneous reservoirs
• Cui Chuanzhi, Wang Junkang, Wu Zhongwei, Li Jinghong, Li Jing, Qian Yin
• 2025, 46 (5): 938-952. DOI: 10.7623/syxb202505007
• Abstract ( ) PDF (7090KB) ( )

• Conditions and heat absorption capacity of methane hydrate dissociation in argillaceous silt
• Chen Litao, Yu Changhong, Zhao Mingyue, Sun Baojiang, Ma Wang, Jing Pengcheng, Xia Yuxiang, Yang Tangyang
• 2025, 46 (5): 953-966. DOI: 10.7623/syxb202505008
• Abstract ( ) PDF (11366KB) ( )

PETROLEUM ENGINEERING

• Intelligent analysis and design of tensioned mooring system based on backpropagation neural network and genetic algorithm
• Yin Qishuai, Zhang Laibin, Zhong Hongcheng, Li Boning, Yang Jin, Ma Yongqi, Yan Xinye, Song Zehua
• 2025, 46 (5): 967-976. DOI: 10.7623/syxb202505009
• Abstract ( ) PDF (7093KB) ( )

• Fatigue damage law of cement sheath based on continuum damage mechanics
• Yang Huanqiang, Wang Kai, Cai Meng, Wang Peng, Zhang Nan, Li Junliang, Ma Wenhai, Huang Weiming, Li Yong
• 2025, 46 (5): 977-993. DOI: 10.7623/syxb202505010
• Abstract ( ) PDF (29203KB) ( )

REVIEW

• Application progress of microscopic flow visualization technology in enhanced oil recovery
• Li Bingbing, Yan Zhenyang, Liu Yajing, Zhu Weiyao, Wang Di, Ma Qipeng, Song Zhiyong, Liu Yunfeng
• 2025, 46 (5): 994-1008. DOI: 10.7623/syxb202505011
• Abstract ( ) PDF (17987KB) ( )

TYPICAL OIL AND GAS FIELDS

• Accumulation conditions and key technologies for exploration and development of Hexingchang tight sandstone gas field in Sichuan Basin
• Xiong Liang, Yang Yingtao, Zhang Ling, Cao Qinming
• 2025, 46 (5): 1009-1024. DOI: 10.7623/syxb202505012
• Abstract ( ) PDF (33696KB) ( )