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Reservoir Diagenesis Sequence and Framework in Intracontinent Rift Basin,East China
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作者 Li ZhongInstitute of Geology, Chinese Academy of Sciences, Beijing 100029Sun YongchuanDepartment of Petroleum Geology, China University of Geosciences, Wuhan 430074 《Journal of Earth Science》 SCIE CAS CSCD 1997年第1期68-71,共4页
One aspect of current basin analysis is to examine the relationship among smallscale diagenetic features, largescale basin types and their consequent thermofluid flow. In order to describe exactly diagenesis and their... One aspect of current basin analysis is to examine the relationship among smallscale diagenetic features, largescale basin types and their consequent thermofluid flow. In order to describe exactly diagenesis and their spatialtemporal textures in scale of basin, new research thought and methods are applied to discuss contraints on diagenesis in this paper. Finally, typical reservoir diagenesis sequences and frameworks and oilgas accumulation related to basin types, East China, are presented. 展开更多
关键词 reservoir diagenesis diagenetic field basin entity analysis East China.
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元坝气藏须家河组三段储层特征与主控因素 被引量:11
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作者 王浩 周文 张冲 《西南石油大学学报(自然科学版)》 CAS CSCD 北大核心 2016年第4期19-26,共8页
针对元坝气藏须家河组三段致密砂岩储层,开展了岩性、物性、储集空间类型及主控因素的研究,对物性实验数据的分析及薄片观察结果表明,元坝地区须三段的储层岩性以粗—中粒钙屑砂岩为主,含部分中—细粒的岩屑石英砂岩;钙屑砂岩的储集空... 针对元坝气藏须家河组三段致密砂岩储层,开展了岩性、物性、储集空间类型及主控因素的研究,对物性实验数据的分析及薄片观察结果表明,元坝地区须三段的储层岩性以粗—中粒钙屑砂岩为主,含部分中—细粒的岩屑石英砂岩;钙屑砂岩的储集空间以次生溶孔为主,且以粒内溶孔为主,同时有部分微裂缝。该段储层物性表现为孔隙度较高,渗透率较低,为裂缝-孔隙型储层。元坝地区须三段钙屑砂岩储层发育程度受控于沉积作用,水下分流河道是该套砂岩储层发育的主要微相,溶蚀作用及构造破裂作用是控制该套储层形成的主要地质因素。研究成果对元坝地区须三段的勘探开发具有一定的指导意义。 展开更多
关键词 钙屑砂岩 储层特征 成岩作用 须三段 元坝气藏
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