利用微观水驱油模型实验对储层进行流动单元的划分

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Flow Units Division by Applying the Sandstone Micro-Model for Water-Oil Displacement Experiment

XIE Wei¹,ZHAO Lei²,SUN Wei¹,FU Xiao-yan³

1．State Key Laboratory of Continental Dynamics/Department of Geology,Northwest University, Xi’an 710069,China;2．Petroleum Exploration and Development Research Institute,Karamay Oilfield, PetroChina, Karamay，Xinjiang 834000,China;3．Petroleum Exploration and Development Research Institute, Changqing Oilfield, PetroChina, Xi’an 710021,China

Received:2007-12-13 Revised:1900-01-01 Online:2008-09-26 Published:2008-09-26
Contact: XIE Wei

Abstract

Abstract: Twenty six samples from Chang 8₂ reservoir in wellblock Zhuang-19 of Xifeng oilfield are tested by means of sandstone micro-model for water-oil displacement experiment for the collection of the parameters of their permeability，oil saturation before displacement, remaining oil saturation and displacement efficiency under the different waterflood time and pressure. Based on these parameters with the employment of statistic software SPSS, the authors divide the samples into three types of flow units E, G and M. With the facilitation of the dynamic observation of the experiment and data analysis, the authors demonstrate that different types of flow units have different flow path, displacement model, displacement efficiency and effect of press to displacement efficiency.

Key words: sandstone micro-model for water-oil displacement experiment, flow units, displacement efficiency, displacement pressure

CLC Number:

P618.13

XIE Wei,ZHAO Lei,SUN Wei,FU Xiao-yan. Flow Units Division by Applying the Sandstone Micro-Model for Water-Oil Displacement Experiment[J].J4, 2008, 38(5): 745-0748.

References

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