Seismic Reservoir Property Facies Analysis and Sweet Spot Prediction
详细信息
- 责任者：Liu Lihui (State Key Laboratory of Oil and Gas Reservoir Geology and Exploration ; Chengdu 610059 ; China) ; Li Jianhai
- 刊名：Geophysical Prospecting for Petroleum
- 出版年：2013
- 卷期：52(4)
- 关键词：地震勘探 ; seismic exploration ; 地震相 ; seismic facies ; 储层预测 ; reservoir prediction
- 页码：p.432-437
- 图表：illus., 1 table, 21 refs.
- 分类号：1600
- issnNo：ISSN1000-1441
- isbnNo：CN32-1284/TE
摘要
Different from the seismic lithofacies mainly defined by lithologic factors,seismic reservoir property facies is related to reservoir physical properties and can be identified by seismic elastic parameters,which should take lithology and reservoir physical properties into account,as well as the identifiability of seismic elastic parameters in seismic facies classification.So after amount of experiment,we proposed a computation workflow and key techniques for the prediction of seismic reservoir property facies.Seismic reservoir property facies can be recognized by the coordinate transform technology,which combines two seismic ray elastic impedances into a new impedance data cube.Seismic reservoir property facies cube can be used for facies controlling statistical rock physics analysis and elastic parameter-reservoir parameter law statistics.Moreover,seismic reservoir property facies classifying can contain the reservoir classification scheme,so the sweet spot in the low porosity and low permeability reservoirs will be predicted.
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