Reservoir Characterization of Special Dolomite Rock of Fengcheng Formation in Junggar Basin, China  

作　　者：Famu Huang Yun Liu Chenhao Pan Duocai Wang Ping Zhang Yaping Fu Hong Zhang Haibo Su Jun Lu Zhi Zhong Bin Wei Famu Huang;Yun Liu;Chenhao Pan;Duocai Wang;Ping Zhang;Yaping Fu;Hong Zhang;Haibo Su;Jun Lu;Zhi Zhong;Bin Wei(West to East Gas Transmission Branch of National Petroleum Pipeline Network Group, Shanghai, China;Central China Branch of National Petroleum Pipeline Network Group, Wuhan, China;Beijing Nayu Tongda Petroleum Technology Company, Beijing, China;School of Earth Resources, China University of Geosciences (Wuhan), Wuhan, China;Reservoir Geology Research Institute, Anton Petroleum Technology (Group) Co., Ltd., Chengdu, China)

机构地区：[1]West to East Gas Transmission Branch of National Petroleum Pipeline Network Group, Shanghai, China [2]Central China Branch of National Petroleum Pipeline Network Group, Wuhan, China [3]Beijing Nayu Tongda Petroleum Technology Company, Beijing, China [4]School of Earth Resources, China University of Geosciences (Wuhan), Wuhan, China [5]Reservoir Geology Research Institute, Anton Petroleum Technology (Group) Co., Ltd., Chengdu, China

出　　处：《Journal of Geoscience and Environment Protection》2023年第9期333-350,共18页地球科学和环境保护期刊（英文）

摘　　要：Dolomites and eruptive rocks are well-developed in the Permian Fengcheng Formation in Junggar Basin in China, in which oil and gas are accumulated extensively. Until now, high-yield industrial oil and gas flows have been obtained in the dolomitic tuff of the second unit of the Fengcheng Formation, which demonstrates the huge exploration potential of the thick layer of massive dolomitic tuff. The lithology of the second unit of the Fengcheng Formation in this area has gradually transformed from the dolomite, dolomitic tuff to siltstone from east to west. Moreover, the well testing shows that the reservoir is oil-saturated, and the production rate mainly depends on the reservoir’s physical properties and fracture development. In this study, different types of data including core data, well log and seismic data are used cooperatively to characterize the sedimentary, structure and fracture features of the Fengcheng Formation, and then characterize the promising target zone in the study area. The result indicates that hydrocarbons are most accumulated along the deep fault in the Wu-Xia fault zone, which will be the favorable zone for the next progressive exploration.Dolomites and eruptive rocks are well-developed in the Permian Fengcheng Formation in Junggar Basin in China, in which oil and gas are accumulated extensively. Until now, high-yield industrial oil and gas flows have been obtained in the dolomitic tuff of the second unit of the Fengcheng Formation, which demonstrates the huge exploration potential of the thick layer of massive dolomitic tuff. The lithology of the second unit of the Fengcheng Formation in this area has gradually transformed from the dolomite, dolomitic tuff to siltstone from east to west. Moreover, the well testing shows that the reservoir is oil-saturated, and the production rate mainly depends on the reservoir’s physical properties and fracture development. In this study, different types of data including core data, well log and seismic data are used cooperatively to characterize the sedimentary, structure and fracture features of the Fengcheng Formation, and then characterize the promising target zone in the study area. The result indicates that hydrocarbons are most accumulated along the deep fault in the Wu-Xia fault zone, which will be the favorable zone for the next progressive exploration.

关 键 词：Junggar Basin Fengcheng Formation Section II PARAGENESIS Dolomitic Tuff Fracture 

分 类 号：P61[天文地球—矿床学]