Study on the application of seismic sedimentology in a stratigraphic-lithologic reservoir in central Junggar Basin

3rd International Conference on Advances in Energy, Environment and Chemical Engineering

能源学;生态环境科学;化学工业

Yu, Yixin^1 ; Xia, Zhongmou^2

Research and Development Center, CNOOC GAS and Power Group, Beijing

100028, China^1

Oil and Gas Integrated Geophysical Key Laboratory, Institute of Geology and Geophysics, China Academy of Sciences, Beijing

100029, China^2

关键词: Distribution characteristics;    Horizontal distribution;    Lithologic reservoirs;    Sandstone reservoirs;    Sedimentary facies;    Seismic sedimentology;    Stratigraphic sequences;    Underwater distributary channels;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/69/1/012023/pdf
DOI  :  10.1088/1755-1315/69/1/012023

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

This paper discusses the research idea of description for stratigraphic-lithologic reservoir based on seismic sedimentology methods. The sandstone reservoir of Jurrassic XiShanyao Formation in Junggar Basin is studied according to the theory and approaches of seismic sedimentology. By making full use of borehole data, the technologies of layer correlation based on the stratigraphic sequence framework, the forward seismic modeling, the stratal slicing and lithologic inversion are applied. It describes the range of denudation line, the distribution characteristics of sedimentary facies of the strata, the vertical and horizontal distribution of sand bodies and the favourable oil-gas bearing prospective area. The results shows that study area are dominated braided delta deposition including underwater distributary channel and distributary bay microfacies, the nip-out lines of the formation are northeast to southwest from north to south, the second Middle Jurassic sand body is the most widely distributed one among three sand bodies, the prospective oil-gas bearing area located in the south part and around the YG2 well area. The study result is effective on the practice of exploration in study area.