收稿日期: 2015-01-21
修回日期: 2015-11-17
网络出版日期: 2015-11-20
Seismic Prediction of Reef-shoal Reservoir of Lianglitage Formation in Tazhong Area
Received date: 2015-01-21
Revised date: 2015-11-17
Online published: 2015-11-20
胡晓勇,张云龙,熊方明,林正燮,尹宏,胡有福,蒋其君 . 塔里木盆地塔中地区良里塔格组礁滩体储层地震预测[J]. 天然气地球科学, 2015 , 26(S2) : 171 -181 . DOI: 10.11764/j.issn.1672-1926.2015.S2.0171
In close to the surface of the Ordovician limestone,carbonate reservoir spaces are mainly based on cave and fracture.Because of the close proximity of rock physical properties to the reservoir spaces fillings and overlying strata,the seismic data can not be used directly to predict the reservoir.Assuming that seismic attribute and reservoir are not linearly related,taking the least cross validation error as a guide line,several sets of seismic attributes which are in favor of reservoir characterization are chosen during many extracted attributes,the mapping relations on reservoir are established in the chosen parameter spaces combined with RBF nonlinear algorithm.Local reliability evaluation results are given by doing adaptability analysis on parameter spaces of seismic.Seismic prediction of reef-shoal reservoir of Lianglitag Formation in Tazhong obtained good effect based on the research.
Key words: Seismic attribute; Cross validation error; Adaptability analysis
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