PETROLEUM EXPLORATION

• Discovery of the billion-ton-scale Huizhou 19-6 oilfield in deep to ultra-deep reservoirs of the Pearl River Mouth Basin and its significance
• Xu Changgui, Gao Yangdong, Liu Jun, Peng Guangrong, Liu Pei, Liu Daoli, Li Hongbo
• 2025, 46 (9): 1647-1660,1719. DOI: 10.7623/syxb202509001
• Abstract ( ) PDF (16307KB) ( )

• Research status on oil content of continental shale and a new grading assessment method of resource potential
• Jiang Fujie, Zhang Chenxi, Chen Di, Zheng Xiaowei, Zhang Yuqi, Li Jijun, Fan Xiaoqi, Guo Tingwei, Wang Xiaohao, Hu Tao
• 2025, 46 (9): 1661-1676. DOI: 10.7623/syxb202509002
• Abstract ( ) PDF (4736KB) ( )

• Mechanisms and differences of self-sealing in shale gas reservoirs of Longmaxi Formation in Sichuan Basin
• Song Yan, Wan Chengxiang
• 2025, 46 (9): 1677-1687. DOI: 10.7623/syxb202509003
• Abstract ( ) PDF (4561KB) ( )

• Forward modeling of natural gas migration and accumulation history of Sinian Dengying Formation in Deyang-Changning rift trough and its periphery,southern Sichuan Basin
• Li Bin, Jiang Hua, Qu Haizhou, Long Hui, Geng Chao, Du Yu, Wang Rui
• 2025, 46 (9): 1688-1706. DOI: 10.7623/syxb202509004
• Abstract ( ) PDF (14347KB) ( )

• Phase analysis of shale gas occurrence based on carbon isotope fractionation and reservoir properties:a case study of the marine-terrestrial transitional shale in Member 2 of Shanxi Formation, Ordos Basin
• Zhang Qin, Liu Yu, Qiu Zhen, Liu Wen, Kong Weiliang, Pang Zhenglian, Gao Wanli, Cai Guangyin, Li Xingtao, Lin Wenji
• 2025, 46 (9): 1707-1719. DOI: 10.7623/syxb202509005
• Abstract ( ) PDF (8569KB) ( )

• Effect of structural fractures in ultra-deep reservoirs on promoting dissolution, enhancing porosity and increasing permeability:a case study of Cretaceous sandstone in Kuqa foreland thrust belt,Tarim Basin
• Zeng Qinglu, Zhang Ronghu, Zhang Liqiang, She Min, Mo Tao, Huang Qingxuan, Zhao Jilong
• 2025, 46 (9): 1720-1737. DOI: 10.7623/syxb202509006
• Abstract ( ) PDF (38012KB) ( )

• A new prediction method for high-permeability carbonate reservoir based on multi-source data fusion and its application
• He Wenyuan, Chen Xin, Xia Yaliang, Wang Bo, Xiao Dengyi, Tang Zichang
• 2025, 46 (9): 1738-1750,1791. DOI: 10.7623/syxb202509007
• Abstract ( ) PDF (18359KB) ( )

OIL FIELD DEVELOPMENT

• Efficient and rapid inversion of fracture parameters of fracturing horizontal wells based on feature points and improved CNN
• Chen Zhiming, Zhu Haifeng, Zhao Hui, Dong Peng, Liao Xinwei, Yu Wei
• 2025, 46 (9): 1751-1763. DOI: 10.7623/syxb202509008
• Abstract ( ) PDF (4185KB) ( )

• Distribution characteristics of core fractures and proppants at the Q ingcheng shale oil hydraulic fracturing test site
• Mu Lijun, Qi Yin, Chen Wenbin, Xu Rongli, Bai Jie, Tu Zhiyong, Ye Kai
• 2025, 46 (9): 1764-1775. DOI: 10.7623/syxb202509009
• Abstract ( ) PDF (27807KB) ( )

• Stress sensitivity characteristics of water-invaded fractured shale under stress loading
• Xu Yingying, Duan Xianggang, Hu Zhiming, Xiong Wei, Chang Jin
• 2025, 46 (9): 1776-1791. DOI: 10.7623/syxb202509010
• Abstract ( ) PDF (3517KB) ( )

PETROLEUM ENGINEERING

• Rock drillability index testing and grading method verification
• Shi Xiangchao, Chen Shuai
• 2025, 46 (9): 1792-1804,1834. DOI: 10.7623/syxb202509011
• Abstract ( ) PDF (6551KB) ( )

• An inversion-while-drilling method for the static formation temperature of ultra-deep wells based on differential evolution algorithm
• Yao Xuezhe, Song Xianzhi, Xu Zhengming, Zhou Mengmeng, Duan Shiming, Cui Yueqi, Wang Haobo
• 2025, 46 (9): 1805-1816. DOI: 10.7623/syxb202509012
• Abstract ( ) PDF (3019KB) ( )

REVIEW

• The current status and research progress of evaluation methods for shale porosity and oil content
• Wang Min, Zhao Xinbin, Tang Yulong, Li Ming, Li Jinbu
• 2025, 46 (9): 1817-1834. DOI: 10.7623/syxb202509013
• Abstract ( ) PDF (6139KB) ( )