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Study on determination method for explosive workover K value

YANG Ye1,2 (1.Business Management School of China University of Petroleum,Beijing 101200,China;2.Oil Production Engineering Research Institute of Daqing Oilfield Company Ltd.,Daqing 163453,China)  
Explosive workover is a new technique,which can restore casing changing well and also can restore bad break well,greatly enlarging workover extent.The relations between hole enlargement content and medicine content are obtained in the process of casing explosive hole enlargement by adopting energy conservation method,and based on ground simulated test and field test,the effects of extent of coefficient K are given.By numerical analogue calculation,distribution rules of forced wave in the processing of explosive hole enlargement are understood,which can provide a theoretical basis for choosing to arrange medicine way and lead explosion method.
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