PETROLEUM EXPLORATION

• Achievements of China’s oil and gas exploration and development in the 14th Five-Year Plan period and future prospects for the next decade
• Dou Lirong, Huang Qingyu, Chen Xi, Ji Tianyu, Wen Zhixin, Hao Mingqiang, Li Zhi, Zhang Hongchao, Zhang Ningning
• 2026, 47 (6): 1133-1148. DOI: 10.7623/syxb202606001
• Abstract ( ) PDF (12708KB) ( )

• Formation conditions and characteristics of large-scale unconsolidated lithologic sandstone reservoirs in Bohai Bay Basin
• Xue Yong'an, Li Long, Wang Haixue, Guo Jingzhen
• 2026, 47 (6): 1149-1160,1189. DOI: 10.7623/syxb202606002
• Abstract ( ) PDF (10056KB) ( )

• Exploring and utilizing petroleum inside source kitchen: advances and insights into source rock oil and gas in Ordos Basin
• Yang Zhi, Fan Yuchen, Zhang Tao, Xin Honggang, Wang Hongwei, Hao Zhen'ge, Yu Zhe
• 2026, 47 (6): 1161-1175. DOI: 10.7623/syxb202606003
• Abstract ( ) PDF (8587KB) ( )

• Delineation of the free-gas retention depth and classification of gas-bearing system types in deep coal reservoirs
• Chen Shida, Huang Daojun, Tang Dazhen, Xu Hao, Hou Wei, Tao Shu, Gao Wei, Ming Ying, Li Song, Tang Shuling, Fu Haijiao
• 2026, 47 (6): 1176-1189. DOI: 10.7623/syxb202606004
• Abstract ( ) PDF (6544KB) ( )

• The ambiguity-resolution problem and analytical techniques of the primary controlling factors for fine-grained rock pore characteristics
• Dong Lin, Wang Ziyi, Mei Qiliang, Zhu Rukai, Jin Zhijun
• 2026, 47 (6): 1190-1203,1257. DOI: 10.7623/syxb202606005
• Abstract ( ) PDF (8190KB) ( )

• Physical simulation of the dynamic mechanisms underlying hydrocarbon accumulation in sandstone and carbonate reservoirs
• Pang Bo, Xiao Huiyi, Pang Xiongqi, Hu Suyun, Chen Junqing, Zhang Ziying, Chen Zhangxing, Xu Zhi, Li Caijun, Chen Di, Shi Kanyuan, Zheng Dingye, Zhang Sijia
• 2026, 47 (6): 1204-1216. DOI: 10.7623/syxb202606006
• Abstract ( ) PDF (12089KB) ( )

OIL FIELD DEVELOPMENT

• Multi-field coupling mechanism of CO₂ injection in underground gas storage under porosity-permeability evolution
• Guo Xiao, Wang Zuohao, Wang Pengkun, Chen Zuwei, Wang Haodong
• 2026, 47 (6): 1217-1233. DOI: 10.7623/syxb202606007
• Abstract ( ) PDF (14069KB) ( )

• Mechanisms and evaluation methods for enhanced recovery efficiency via gas huff-n-puff in shale gas reservoirs
• Liu Jiawei, Yang Xuefeng, Dai Caili, Huang Shan, Sun Yongpeng, Huang Liang, Cao Mengjiao, Li Qinzhi
• 2026, 47 (6): 1234-1243. DOI: 10.7623/syxb202606008
• Abstract ( ) PDF (6950KB) ( )

• Integrated “injection-soaking-production” fracturing-flooding experiment for tight reservoirs
• Ma Li, Lu Cong, Guo Jianchun, Wu Jianfa, Song Yi, Shen Cheng, Li Junfeng
• 2026, 47 (6): 1244-1257. DOI: 10.7623/syxb202606009
• Abstract ( ) PDF (13507KB) ( )

PETROLEUM ENGINEERING

• In-depth enhancement mechanism of pre-bending dynamic vertical and fast drilling technology
• Di Qinfeng, Peng Zhangzhu, Luo Dakun, Liu Xianghua, Yu Yang, Wang Wenchang, Chen Feng
• 2026, 47 (6): 1258-1266,1277. DOI: 10.7623/syxb202606010
• Abstract ( ) PDF (6929KB) ( )

• Formation mechanism and control method of downhole impact torque of drill string in the Well SDTK-1
• Wang Chunsheng, Li Ning, Feng Shaobo, Wang Wenchang, Wen Liang, Zhou Bao, Di Qinfeng
• 2026, 47 (6): 1267-1277. DOI: 10.7623/syxb202606011
• Abstract ( ) PDF (8002KB) ( )

REVIEW

• Research progress and perspectives of oil emplacement influence on reservoir diagenesis
• Wang Yanzhong, Liu Jiageng, Lin Miruo, Cao Yingchang, Wang Shuping
• 2026, 47 (6): 1278-1303. DOI: 10.7623/syxb202606012
• Abstract ( ) PDF (8499KB) ( )

• Research progress and development directions of low-temperature drilling fluids in Arctic region
• Liu Jingping, Yan Han, Sun Jinsheng, Lü Kaihe, Yu Xiaorong, Huang Ning, Sun Yuanwei, Zhang Taifeng
• 2026, 47 (6): 1304-1314. DOI: 10.7623/syxb202606013
• Abstract ( ) PDF (5885KB) ( )