The Chang-63 reservoir in the Huaqing area has widely developed tight sandstone ＂thick sand layers, but not reservoirs characterized by rich in oil＂, and it is thus necessary to further study its oil and gas enrichm...The Chang-63 reservoir in the Huaqing area has widely developed tight sandstone ＂thick sand layers, but not reservoirs characterized by rich in oil＂, and it is thus necessary to further study its oil and gas enrichment law. This study builds porosity and fracture development and evolution models in different deposition environments, through core observation, casting thin section, SEM, porosity and permeability analysis, burial history analysis, and ＂four-property-relationships＂ analysis.展开更多
Objective Whether the Early Permian successions are still preserved in the Olongbluk Block is controversial, which is resulted from the diverse understanding on the formation age of fossil assemblages from the lower Z...Objective Whether the Early Permian successions are still preserved in the Olongbluk Block is controversial, which is resulted from the diverse understanding on the formation age of fossil assemblages from the lower Zhabusagaxiu Formation.展开更多
Objective The Guanzhong Basin in the transitional zone of the Qinling orogenic belt and the southern margin of the Ordos Basin has been extensively studied in recent years.Although some results have been obtained,some...Objective The Guanzhong Basin in the transitional zone of the Qinling orogenic belt and the southern margin of the Ordos Basin has been extensively studied in recent years.Although some results have been obtained,some problems such as whether the materials from the North China craton and the Qinling orogenic belt are detrital sedimentary rocks of the Guanzhong Basin still remain unresolved.展开更多
文摘The Chang-63 reservoir in the Huaqing area has widely developed tight sandstone ＂thick sand layers, but not reservoirs characterized by rich in oil＂, and it is thus necessary to further study its oil and gas enrichment law. This study builds porosity and fracture development and evolution models in different deposition environments, through core observation, casting thin section, SEM, porosity and permeability analysis, burial history analysis, and ＂four-property-relationships＂ analysis.
基金jointly supported by the National Natural Science Foundation of China (grants No. 41602109 and 41421002)China Geological Survey (grant No. DD20160173)+2 种基金Fundamental Research Funds for the Central Universities (grant No. 17CX06038)China Postdoctoral Science Foundation funded project (grant No. 2018M643712)Shaanxi Postdoctoral Science Foundation
文摘Objective Whether the Early Permian successions are still preserved in the Olongbluk Block is controversial, which is resulted from the diverse understanding on the formation age of fossil assemblages from the lower Zhabusagaxiu Formation.
基金financially supported by the Institute of Geomechanics in Chinese Academy of Geological Sciences (grant No. DZLXJK201608)Geological Survey Project (grant No. DD20160183)+1 种基金the Key Lab of Shale Oil and Gas Geological of Chinese Academy of Geological Sciencesthe Key Laboratory for the Study of Focused Magmatism and Giant Ore Deposits
文摘Objective The Guanzhong Basin in the transitional zone of the Qinling orogenic belt and the southern margin of the Ordos Basin has been extensively studied in recent years.Although some results have been obtained,some problems such as whether the materials from the North China craton and the Qinling orogenic belt are detrital sedimentary rocks of the Guanzhong Basin still remain unresolved.
