PETROLEUM EXPLORATION

• Exploration and discovery of the Maokou Formation dolomite gas field in Longnüsi area of central Sichuan Basin and its significance
• Xie Jirong, Luo Bing, Zhang Xihua, Zhang Benjian, Chen Cong, Ran Qi, Zhao Rongrong, Peng Hanlin, Li Tianjun, Chen Kang, Lai Qiang, He Qinglin, Li Wenzheng, Yuan Haifeng, Hu Guang
• 2025, 46 (4): 661-675,742. DOI: 10.7623/syxb202504001
• Abstract ( ) PDF (30887KB) ( )

• Accumulation conditions and key exploration technologies for natural gas in ultra-deep clastic rocks in southern margin of Junggar Basin
• Mao Xinjun, Gan Renzhong, Qian Haitao, Zhao Changyong, Ke Xiangui, Fu Lianming, Pang Zhichao, Xu Yonghua, Xu Xiaolong, He Wenjun, Song Zhihua
• 2025, 46 (4): 676-691. DOI: 10.7623/syxb202504002
• Abstract ( ) PDF (28000KB) ( )

• Characteristics and controlling factors of high-quality reservoirs in magmatic rock buried-hill of the central uplift zone,northern Songliao Basin
• Zhao Bo, Yin Shumin, Li Zhongquan, Sun Guoxin, Liu Zheng, Li Jing
• 2025, 46 (4): 692-707. DOI: 10.7623/syxb202504003
• Abstract ( ) PDF (35267KB) ( )

• Sedimentary regularities,main controlling factors,and hydrocarbon exploration potential of the beach-bars of the Member 2 of Paleogene Shahejie Formation in Zhanhua sag,Bohai Bay Basin
• Shao Changyin, Song Fan, Qiu Longwei, Zhang Shiqi, Kong Qingyuan
• 2025, 46 (4): 708-725. DOI: 10.7623/syxb202504004
• Abstract ( ) PDF (17001KB) ( )

OIL FIELD DEVELOPMENT

• Dynamic laws and stable production technology of Q ingcheng shale oil development in Ordos Basin
• Fan Jianming, Zhang Chao, Chang Rui, He You'an, Feng Liyong, Ren Yilin, Cao Peng, Guan Yun
• 2025, 46 (4): 726-742. DOI: 10.7623/syxb202504005
• Abstract ( ) PDF (9169KB) ( )

• Disturbance factors of current geostress field of Longmaxi Formation shale in southeastern Sichuan Basin and their geological significance for gas exploitation
• He Jianhua, Xiong Liang, Wang Ruyue, Xu Bilan, Li Ruixue, Cao Feng, Deng Hucheng, Xu hao, Li Yong, Li Dan, Yin Shuai
• 2025, 46 (4): 743-762. DOI: 10.7623/syxb202504006
• Abstract ( ) PDF (21005KB) ( )

• Numerical simulation method for multiphase and multicomponent flow in ultra-low permeability and tight oil reservoirs based on discrete fracture model
• Cao Bao, Mi Lidong, Xie Kun, Lu Xiangguo, Wen Guofeng, Tian Fuchun
• 2025, 46 (4): 763-778. DOI: 10.7623/syxb202504007
• Abstract ( ) PDF (18670KB) ( )

• Shale oil reservoir apparent permeability model considering nano-confinement effects and pore-fracture combination patterns
• Wang Fuyong, Yue Hui, Zhu Weiyao
• 2025, 46 (4): 779-788. DOI: 10.7623/syxb202504008
• Abstract ( ) PDF (15090KB) ( )

PETROLEUM ENGINEERING

• Research progress and prospect of wellbore cooling technology
• Li Meichun, Ding Yang, Sun Jinsheng, Lü Kaihe, Huang Xianbin, Wang Jianhua, Zhang Jie, Yang Lixia
• 2025, 46 (4): 789-800. DOI: 10.7623/syxb202504009
• Abstract ( ) PDF (8169KB) ( )

• Microscopic structure evolution and macroscopic mechanical response of oil shale under anhydrous and near/supercritical water pyrolysis
• Kang Zhiqin, Wu Zhihui, Wang Lei, Yang Dong, Zhao Jing, Han Hexu, Zhao Yangsheng
• 2025, 46 (4): 801-815. DOI: 10.7623/syxb202504010
• Abstract ( ) PDF (27258KB) ( )

REVIEW

• New progress of marine hydrocarbon accumulation theory and prediction of super large oil and gas areas in deep strata buried at a depth of about 10 000 meters in China
• Zhu Guangyou, Jiang Hua, Huang Shipeng, Ma Debo, Zhang Ming, Chen Weiyan, Guan Shuwei, Fan Junjia, Zeng Fuying
• 2025, 46 (4): 816-842. DOI: 10.7623/syxb202504011
• Abstract ( ) PDF (22766KB) ( )