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《Journal of Daqing Petroleum Institute》 2010-02
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The application of multigroup stepwise discriminant analysis for complex oil,water and dry layers identification

WANG Ya-chun1,2,TIAN Chun-yang3,ZHANG Zhen-wei1,JIN Tie-wen4,YANG Hong-song1( 1.College of Geosciences,Daqing Petroleum Institute,Daqing,Heilongjiang 163318,China;2.School of Natural Resource and Information Technology,China University of Petroleum,Beijing 163318;3.Oil Recovery Plant No.2 Daqing Oilfield Company Ltd.,Daqing,Heilongjiang 163414,China;4.Liaohe Oilfield Company Ltd.,Panjin,Liaoning 124010,China )  
Mud logging,well logging and formation testing data are used to set up equations for oil,water and dry layers identification of Putaohua reservoir in Ao 21 block of Aonan oilfield.Here,10 variables such as flushed zone formation resistivity,true formation resistivity,acoustic,spontaneous potential,natural gamma ray,clay content,effective porosity,oil saturation,deep lateral resistivity,density are considered,4 variables such as true formation resistivity,spontaneous potential,natural gamma ray and deep lateral resistivity are selected into the functions.The oil,oil-water,water and dry layers identification in the studied area with discriminant functions is proved to be very effective with a precision of more than 80%.
【Fund】: 黑龙江省教育厅科学技术研究项目(11531z13)
【CateGory Index】: P618.13
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