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《Well Logging Technology》 2002-04
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Wettability Forecast of Reservoirs Using Log Data.

Xie Ranghong,Gao Guozhong and Feng Qining, et al..  
Laboratory measurements of electrical properties and wettability on cores have shown Archie's saturation exponent n is greatly affected by wettability. A linear relationship exists between the logarithm of saturation exponent n and relative wettability index,which provides the basis for forecasting the wettability of reservoirs using saturation exponent. Saturation exponent n (vs) depth curve is given through Electmagnetic Propagation Tool (EPT) and Microspherical Focused Log (MSFL), from which the changes of wettability with depth will be forecasted. The processed result of in-site log data shows this method can quickly and immediately indicate the changes of reservoir's wettability.
【CateGory Index】: P631.8
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