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Application of scale cleanout and prevention technique in Longdong Oilfield

Wei Fengling(Oil Production Engineering and Technology Research Institute,Zhongyuan Oilfield Company,SINOPEC,Puyang 457001,China),Ren Guofu,Wang Zaiqiang,et al.  
In view of the present situation and characteristics of the scale deposit in Longdong Oilfield,this paper analyses the mechanism and the influence factors of scale deposit.The physical chemistry techniques such as rabbler,high pressure scale cleanout,long-term formation scale cleanout and prevention are introduced.The application of the well site demonstrates that the techniques offer the new clue for future scale cleanout and scale prevention.
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