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Sedimentary environment and facies types of Eocene Baoshi Formation in Pingbei area, Pinghu slope belt, Xihu Sag, East China Sea Basin
JIANG Yiming, ZHAO Hong, TANG Xianjun, JIANG Xue, XU Zhenzhong
2025, 47(5): 941-950. DOI: 10.11781/sysydz2025050941
Abstract
Quantitative analysis of development characteristics of pores, caves, and fractures in reservoirs controlled by sedimentary microfacies: a case study of dolomites in Sinian Dengying Formation, Penglai gas area, Sichuan Basin
ZHOU Gang, WEN Long, LIU Yong, LUO Bing, ZHANG Benjian, LI Qi, YAN Wei, ZHONG Yuan, ZHANG Zili, ZENG Yunxian, LI Kunyu
2025, 47(5): 951-962. DOI: 10.11781/sysydz2025050951
Abstract
Hydrocarbon accumulation process, and effective natural gas accumulation in Permian Changxing Formation, southeastern Sichuan Basin
CHEN Qianglu, XI Binbin, YOU Donghua, JIANG Hong, LIU Xian
2025, 47(5): 963-973. DOI: 10.11781/sysydz2025050963
Abstract
Magnesian clay minerals and their influence on pores in the first member of Middle Permian Maokou Formation, southern Sichuan Basin
ZHANG Liyu, YOU Donghua, LI Rong, YU Lingjie, CHEN Qianglu, LIU Youxiang, ZHOU Lingfang
2025, 47(5): 974-987. DOI: 10.11781/sysydz2025050974
Abstract
Differential enrichment process of shale gas in Cambrian Qiongzhusi Formation in middle section of Deyang-Anyue rift trough, Sichuan Basin: evidence from fracture veins and fluid inclusions
LI Yanyou, WU Juan, ZHOU Zhipeng, JIANG Qianqian, SHI Xuewen, YANG Yuran, LUO Chao, HE Yifan, WANG Heng, LIANG Jingyi, DENG Bin
2025, 47(5): 988-1002. DOI: 10.11781/sysydz2025050988
Abstract
Isotope stratigraphy of Yurtus Formation in Keping area, Tarim Basin: chemical stratigraphic correlation and age constraints based on Carbon and Strontium isotopes
LU Hsinhsiung, YANG Tao, ZHU Bi
2025, 47(5): 1003-1016. DOI: 10.11781/sysydz2025051003
Abstract
Filling characteristics and reservoir development models of Ordovician ancient underground rivers in Tahe Oil Field
ZHANG Chenhe, GAO Zhiqian, LÜ Hui, TIAN Jianhua, FAN Tailiang, YANG Debin, WU Jun, WEI Duan, YANG Jie, YANG Liuxin, ZOU Qianxi, LIU Jinxian
2025, 47(5): 1017-1034. DOI: 10.11781/sysydz2025051017
Abstract
Diagenesis and pore evolution of tight reservoirs in glutenite section of Bachu Formation, Tahe Oilfield
DIAO Xindong, LI Wenping, JIANG Dong, ZHOU Fangfang, HUO Zhipeng, GAO Jianbo, SUN Ningliang, CAO Zhifeng, WANG Jianan, WANG Yanan, CHEN Zhiwei, DONG Changyu
2025, 47(5): 1035-1048. DOI: 10.11781/sysydz2025051035
Abstract
Geological characteristics of accumulation and favorable exploration directions of the second and third members in Ordovician Majiagou Formation of deep subsalt layers, Ordos Basin
CHEN Zhaobing, DUAN Chenyang, YAN Ruifeng, GAO Jianrong, BAI Ying, ZHANG Yanbing, XU Wanglin, ZHANG Yueqiao
2025, 47(5): 1049-1062. DOI: 10.11781/sysydz2025051049
Abstract
Reservoir differences and genesis between Upper Permian Upper Wuerhe Formation and Lower Triassic Baikouquan Formation in Mahu Sag, Junggar Basin
JIGEERBIEKE Yeernaer, HU Wenxuan, KANG Xun, LIU Wendong, ZHANG Wenjie
2025, 47(5): 1063-1074. DOI: 10.11781/sysydz2025051063
Abstract
Oil and source correlation and sub-source hydrocarbon accumulation mechanisms of the third member of Eocene Liushagang Formation in Weixinan Depression, Beibu Gulf Basin: a case study of Weizhou 11 area
LI Xing, WU Keqiang, LI Ming, HU Desheng, JIAO Libo
2025, 47(5): 1075-1089. DOI: 10.11781/sysydz2025051075
Abstract
Element enrichment characteristics and genesis of coal rocks in Carboniferous Benxi Formation, central and eastern Ordos Basin
LI Bo, ZHANG Liwen, WANG Xiao, SUN Yanze, WANG Yanqing, SUN Lu, FU Deliang, WU Chenjun
2025, 47(5): 1090-1105. DOI: 10.11781/sysydz2025051090
Abstract
Geochemical characteristics and implications of pyrite sulfur isotope in Fengcheng Formation of Mahu Sag, Junggar Basin
JIANG Chengzhou, WANG Guiwen, WANG Song, ZHANG Yilin, HUANG Yuyue
2025, 47(5): 1106-1117. DOI: 10.11781/sysydz2025051106
Abstract
Geochemical characteristics and genesis of Ordovician condensate gas in Shunbei area, Tarim Basin
CUI Futian, MA Anlai, YUN Lu, CAO Zicheng, LI Xianqing, HUANG Cheng, HE Shuai, GUO Chuyuan
2025, 47(5): 1118-1133. DOI: 10.11781/sysydz2025051118
Abstract
Geochemical characteristics and development models of salinized lacustrine mixed-source rock: a case study of upper member of Lower Ganchaigou Formation in Yingxiongling structural belt, western Qaidam Depression
ZHOU Fei, SHAO Zeyu, ZHANG Jing, CHEN Guo, ZHANG Hailong, XU Yaohui, HAO Wanxin, SHA Wei, WU Yunzhao, ZHANG Hao
2025, 47(5): 1134-1149. DOI: 10.11781/sysydz2025051134
Abstract
Differential characteristics of internal structures of strike-slip faults and their multiscale interactive identification mode: a case study of Carboniferous volcanic rocks in Chepaizi Uplift, Junggar Basin
GUI Shiqi, LUO Qun, ZENG Lianbo, WANG Qianjun, HE Xiaobiao, WANG Liang, WANG Shichen, ZHANG Yuejing
2025, 47(5): 1150-1162. DOI: 10.11781/sysydz2025051150
Abstract
Application of multivariate statistical analysis in oil and source correlation: a case study of mixed-source oils from middle and shallow strata in coastal area of Qikou Sag, Bohai Bay Basin
PAERHATI Paerzhana, SONG Yu, ZHU Kai, SHI Qianru, HUANG Chuanyan, JIANG Shu
2025, 47(5): 1163-1176. DOI: 10.11781/sysydz2025051163
Abstract
Research status of self-sealing mechanisms of caprocks and fractures during CO2 geological storage
ZHOU Bing, LUN Zengmin, ZHANG Jie, TANG Yongqiang, QI Yibin, XIAO Pufu, YIN Xia
2025, 47(5): 1177-1184. DOI: 10.11781/sysydz2025051177
Abstract
Evaluation of fault lateral sealing for CO2 storage in offshore saline aquifers: a case study of Enping A Oilfield in Enping Sag, Pearl River Mouth Basin
CHAI Yukun, REN Xu, DAI Jianwen, XIE Mingying, WANG Hua, WANG Shenghao, FENG Shasha, QIN Chaozhong, WANG Tao, GAN Quan
2025, 47(5): 1185-1197. DOI: 10.11781/sysydz2025051185
Abstract
Permeability reduction effect and correction for low-permeability tight sandstone reservoirs under bound water saturation
DENG Wenlong, LIU Liping, DAI Ping, LI Li, GAO Shunhua, LIN Xiaobing
2025, 47(5): 1198-1211. DOI: 10.11781/sysydz2025051198
Abstract