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Analyzing Inter-well Connectivity of Polymer-flooded Reservoirs With Pulse-testing Method

SU Qun-ying1,XIONG Nian2,ZHANG Jing1(1.Xi'an Shiyou University,Shaanxi Xi'an 710065,China; 2.Yanchang Oilfield Co.,Ltd.,Shaanxi Yan'an 7161007,China)  
It is very important to judge inter-well connectivity because of blocking and channeling flow appeared in the polymer-flooded reservoirs.In this paper,based on test data of an observation well and three perturbed wells,the inter-well connectivity was analyzed by the pulse testing and drawing the pressure tendency curve,which can provide some instructions for improving the displacement effect.
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