蒸汽驱及化学辅助蒸汽驱提高稠油采收率实验

doi:10.11743/ogg20170519

Abstract

Abstract: Steam flooding and chemical assisted steam flooding are important EOR methods for heavy oil reservoirs.In order to compare the two methods,we performed simulated steam flooding experiments on samples from Tahe heavy oil reservoirs in Xinjiang,China,to assess their EOR effects under different steam injection parameters.The results show that,during steam flooding,the oil recovery is positively correlated to injection temperature but insensitive to injection pressure,and that adding some additives,such as n-pentane,n-hexane,and n-heptane,can greatly improve the recovery.It is also noteworthy that the recovery factor of heavy oil tends to lower along with increasing injection pressure during steam flooding,while it increases to some extent along with increasing injection pressure during chemical assisted steam flooding.

Key words: additive, steam flooding, assisted steam flooding, recovery factor, heavy oil

CLC Number:

TE345

Zhang Shuxia, Liu Fan, Mu Baoquan. An experimental study on enhanced heavy oil recovery by steam flooding and chemical assisted steam flooding[J]. Oil & Gas Geology, 2017, 38(5): 1000-1004.

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An experimental study on enhanced heavy oil recovery by steam flooding and chemical assisted steam flooding

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