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Grey Relational Method for calculating Reservoir Porosity.

Wu Guoping, Xu Zhongxiang, Xu Hongyan. WLT, 1999, 23(6): 424~426  
Signals of sonic logging are often affected by such factors as sonic logging tool,borehole passages, temperature, pressure and discontinuity of formation lithology. Therefore,the factors may be thought of as “grey noise system”.A grey filtering system is designed to eliminate the influence from the “grey noise system”,by which reservoir porosity can be directly obtained with interval transit time. Its applications show that porosity obtained from above method is approximate to real porosity. Thus,the of resolution reservoir is improved.
【Fund】: 国家自然科学基金!(No.49874027)资助
【CateGory Index】: P631.8
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