特低渗透大型露头模型流场测量技术及分布规律研究

›› 2012, Vol. 33 ›› Issue (11): 3331-3337.

• Fundamental Theroy and Experimental Research • Previous Articles Next Articles

Study of flow field measurement technique and distribution regularity of ultra-low permeability large-scale outcrop model

XU Xuan^{1, 2}，YANG Zheng-ming²，LIU Xue-wei²，ZHANG Ya-pu²，TIAN Shan-shan³，XU Ting⁴

1. Institute of Porous Flow and Fluid Mechanics, Chinese Academy of Sciences, Langfang, Hebei 065007, China; 2. Langfang Branch, Petro China Exploration and Development Research Institute, Langfang, Hebei 065007,China; 3. China Petroleum Pipeline Engineering Corporation, Langfang, Hebei 065007, China; 4. Oil Production Plant No.4, Changqing Oilfield Company, Jingbian, Shannxi 715800, China

Received:2011-09-27 Online:2012-11-12 Published:2012-11-14

Abstract

Abstract: Using the resistivity logging principles, a method for measuring the flow field of large-scale outcrop model is established. On this basis, flow field distribution regularity is studied by the model making by ultra-low permeability sandstone outcrops. The research shows that: for the large-scale outcrop model with nonlinear seepage characteristic, the flow field characteristic of the well pattern element is that the injection fluid advances rapidly along the main stream line but impact area is small; and non-flowing area exists, where displacement efficiency is low. The changing laws of flow field at different multiples are analyzed. The influences of different factors on flow field and displacement efficiency are studied. The large-scale outcrop model can reflect the dynamic process of flow field and displacement efficiency, and can simulate the seepage law of the real reservoir better.

Key words: ultra-low permeability reservoir, nonlinear seepage, natural sandstone outcrops, large-scale outcrop model, flow field

CLC Number:

TE 81

XU Xuan ，YANG Zheng-ming ，LIU Xue-wei ，ZHANG Ya-pu ，TIAN Shan-shan ，XU Ting . Study of flow field measurement technique and distribution regularity of ultra-low permeability large-scale outcrop model[J]., 2012, 33(11): 3331-3337.

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Study of flow field measurement technique and distribution regularity of ultra-low permeability large-scale outcrop model

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